Thermostats & Timers

(1 customer review)

The use of a thermostat and insulation optimizes energy efficiency by allowing the Heat-Line heating cable system to be turned off for extended periods of time resulting in the most energy-efficient heating cable system available. While insulation is commonly advised and highly recommended in applications where the protected pipe is to be above ground, thermostats are completely an optional accessory. Heat-Line is pleased to offer a full-line of thermostats designed for both indoor and outdoor applications.


Energy-Efficiency
Combining insulation and control devices can increase energy efficiency by as much as 80%.

Recommended Use
Highly recommended and safe to use with all Heat-Line heating cable systems to improve energy-efficiency

Heat-Line Self-Regulating Heating Cable
Conventional heat tapes must have thermostats to prevent overheating. Heat-Line self-regulating heating cables adjust their heat output, eliminating the risk of overheating. Thermostats are optional for enhancing energy efficiency.

Product Specification

HLJ-STAT 120V plug-in thermostat (GFC)
HLA-120 120V plug-in thermostat (GFC)
GFA-STAT 120/240V hardwire thermostat with GFCI
TIMER Plug-in, 120V or 240V
TIMER-CS Hardwire, 120V or 240V
KHL-STAT-2 6/28V thermostat

All Heat-Line systems have a self-regulating / conductive polymer core allowing its heat output to change, increasing with cold, decreasing with warmth microscopically at every point along its length. Since the heating cables vary their heat/energy output with temperature they will not overheat; as a result, thermostats are not a requirement but simply an accessory to increase energy efficiency. It is important to remember that while self-regulating heating cable technology is very efficient, the heating cable can never operate at zero wattage and thus is a consumer of energy, however small, when powered.

A thermostat or timer can be added to all Heat-Line systems in order to duty cycle the heating cable operation ON/OFF, the result is energy saved and operating costs reduced.

Heat-Line thermostats are set to maintain the pipe at 50°F or 10°C as this setting keeps the heating cable operating in its most efficient state with a proper safety differential of 18°F or 10°C to the freezing point. The safety differential allows for a degree of human error when installing and determining the sensor placement point along the pipe. It is critical to remember during system design and installation that the thermostat duty cycles based on the temperature at one point, its sensor point location. In some cases, the proper location may be beyond the standard sensor lead length provided, as a result, Heat-Line offers extended sensor lead options upwards of 500 feet (152m) on certain thermostat models.


The sensor point location should be situated along the pipe requiring protection at what is thought to be its coldest point (most likely to freeze), and in most cases, this means placed underneath the applied pipe foam insulation. From here the thermostat can properly monitor the environment directly surrounding the pipe and provide the heating cable owner with the greatest return on their investment. Incorrect sensor placement can lead to greater than expected energy consumption, and in some cases poor heating cable performance.

The addition of thermostatic controls or timers reduces the actual amount of time the heating cable is under power. The combination of Heat-Line’s self-regulating freeze protection systems, with insulation and thermostats or timers can optimize energy efficiency, resulting in the most energy-efficient heating cable system available.

All Heat-Line systems operate using self-regulating technology which allows their heat output to change, increasing with cold, decreasing with warmth microscopically at every point along their length. Since Heat-Line brand heating cables vary their heat/energy output with temperature they will not overheat; as a result, thermostats are not a requirement but simply an accessory to increase energy efficiency. It is important to remember that while self-regulating heating cable technology is very efficient, the heating cable can never operate at zero wattage and thus is a consumer of energy, however small, when powered.

A thermostat or timer can be added to all Heat-Line systems in order to duty cycle the heating cable operation ON/OFF, the result is energy saved and operating costs reduced. Important note; when adding a thermostat and or timer you should first ensure you have insulated any exposed above ground piping. Insulation will allow the entire system to operate more efficiently and ensure your thermostat or timer control is as reliable as possible.

Thermostats:

Heat-Line thermostats are set to maintain the pipe at 50°F or 10°C as this setting keeps the heating cable operating in its most efficient state with a proper safety differential of 18°F or 10°C to the freezing point. The safety differential allows for a degree of human error when installing and determining the sensor placement point along the pipe. It is critical to remember during system design and installation that the thermostat duty cycles based on the temperature at one point, its sensor point location. In some cases, the proper location may be beyond the standard sensor lead length provided, as a result, Heat-Line offers extended sensor lead options upwards of 500 feet (152m) on certain thermostat models.

The sensor point location should be situated along the pipe requiring protection at what is thought to be its coldest point (most likely to freeze), and in most cases, this means placed underneath the applied pipe foam insulation. From here the thermostat can properly monitor the environment directly surrounding the pipe and provide the heating cable owner with the greatest return on their investment. Incorrect sensor placement can lead to greater than expected energy consumption, and in some cases poor heating cable performance.

Timers:

Timers are an optional control device that can be used in replacement of a thermostat and or in combination with a thermostat in order to increase the operating efficiency of Heat-Line brand heating cable systems. Timers provide on/off duty cycle operation based on pre-set time intervals. For example, 30 minutes on and 30 minutes off, which equals a 50% reduction in power on time. Unlike thermostats which duty cycle based on temperature settings, timers do not have the ability to adjust to environmental temperature changes as their power-on time is predetermined. Timers can be extremely useful in applications where the coldest section of pipe cannot be reached for a thermostat sensor. An example would be the coldest section is far away or not accessible because the pipe is buried. Indoor installations only. 

It is important to understand that not all heating cable systems are created equally, and as a result not all heating cable brands can employ a timer instead of a thermostat. Heat-Line brand heating cable systems give users the unique ability to install timer devices as a control option when the use of a thermostat is not viable. Unlike standard heat tape systems which require the use of a thermostat as a high limit device, Heat-Line brand heating cable systems allow for the use of other control devices such as timers due to their use self-regulating technology.
The addition of a thermostat or timers greatly reduces the actual amount of time the heating cable is under power. However, it is important to remember it is the combination of Heat-Line’s self-regulating freeze protection systems, with insulation and thermostats or timers which optimize energy efficiency, resulting in the most energy-efficient heating cable system available.

Features & Benefits

HLJ-STAT

  • Decreases Operating Costs of Heater
  • cULus Listed
  • Easy to Read Front Panel Liquid Crystal Display
  • 3 Year Original Manufacturers Limited Warranty
  • Electronic, Plugs Into Standard 5-15R 120 Volt 15 Amp Outlet
  • 6m (19.6ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • Suitable for Heating Cable Systems Up To 91m (300 ft.)
  • Easy to Install
  • Comes with DIN Rail for Easy Mounting
  • Pre-Programmed Factory Settings; ON 8.3°C (47°F) / OFF 11°C (52°F)
  • 1.8m (6 ft) Electrical Cord with Combined Plug and Outlet
  • Adjustable Set-Point; Minimum -34°C (-30 °F) / Maximum 100°C (212°F)

HLA-120

  • Decreases Operating Costs of Heater
  • ETL c-us Approved
  • Easy to Read Front Panel Liquid Crystal Display
  • 1 Year Limited Warranty
  • Electronic, Plugs into normal 120 Volt 15 Amp Outlet
  • 6.7m (22ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • 2 G13A size 1.5V Alkaline Button Cell Batteries Included (For Clock only)
  • Temporary and Constant Temperature Override
  • On Screen Low Battery Indicator
  • F/C Temperature Display
  • 2 Minute Short Cycle Protection
  • Adjustable Temperature Differential
  • Programmable, 5/2 Day Programming (Weekdays and Weekends can be different)
  • Positive On/Off Switch
  • Easy to Install
  • Adjustable Set-Point, Minimum Temperature Setting 7C (45F)

GFA-STAT

  • Decreases Operating Costs of Heater
  • cULus Listed and Certified (North America)
  • 2 Year Original Manufacturers Limited Warranty
  • Automatic Supply Voltage Selection from 120 -277 volts
  • Two-pole Contactor Switches Load Maximums of 30 amps
  • Adjustable Temperature Set Points of 30F, 38F, 45F and or 50F (-1.1C, 3.3 C, 7.2C and or 10C)
  • Alarm Relay with Isolated Contact for Excess Ground Fault Current, Low Load Current and Low Temperature
  • Fire Protection Mode
  • Integral 30 mA GFCI
  • Sensor Lead Length of 20 feet (6m)
  • Nonhazardous Locations NEMA 4X Enclosure with Polycarbonate Face
  • Very Simple to Install and Operate
  •  Front Panel Interface Status Indicators: Green (Supply Power), Yellow (Call for Heat), Blue (Low Temperature Alarm) and Red (GFCI or Low Current Alarm Condition)

KHL-STAT-2

  • Decreases Operating Costs of Heater
  • Water and Dust Resistance to IP67
  • RoHS Compliant
  • 5 Year Original Manufacturers Limited Warranty
  • Supply Voltages 6 to 28 volts DC
  • Comes Pre-set, On at 45°F (7°C) and Off at 50°F (10°C)
  • Load Control Up To 30 amps 
  • Solid-state Design Mean No Moving Parts or Mechanical Switches/ Relays
  • Highly Resistant to Mechanical and Electrical Shock
  • Highly Resistant to Vibration and Electromagnetic Interference
  • Reliability in All Conditions -40°F (-40°C) to 257°F (125°C)
  •  Weatherproof Design and Construction with Internal RTD Sensor
  •  Simple, Fast, and Efficient Installation

TIMER-CS/120P/240P

  • Decreases Operating Costs of Heater
  • cCSAus Certified
  •  Available in 120P and 240P models for direct 120V and 240V plug-in installations, works well with Heat-Line GFC model heating cable systems
  •  CS model timer designed to work with Heat-Line CS model heating cable systems
  • Provides 8 field selectable cycles durations (30sec., 1min., 3mins., 5mins., 10mins., 30mins., 1hr. and 4hrs.)
  • Provides 30 different precise percentage selection options for ON TIME
  • Suitable for both 120 volt and 240 volt applications
  • User settings are stored in non-volatile memory
  • Control and selection options easy to read and accessible on front of timer
  • Simple to set and adjust, no DIP switches to program cycle time
  • Manual ON/OFF control allows for temporary or permanent override
  • Designed to function in dusty, ammonia, and wash-down environments
  • Engineered to withstand power surges up to 6,000 VAC
  • Limited 1 Year Manufacturers Warranty

*Other thermostat and control options not listed above are available from Heat-Line. Please contact Heat-Line directly to discuss other thermostat options and control devices not listed.

Specifications

HLJ-STAT

  • cULus Listed
  • Easy to Read Front Panel Liquid Crystal Display
  • 3 Year Original Manufacturers Limited Warranty
  • Electronic, Plugs Into Standard 5-15R 120 Volt 15 Amp Outlet
  • 6m (19.6ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • Suitable for Heating Cable Systems Up To 91m (300 ft.)
  • Easy to Install
  • Comes with DIN Rail for Easy Mounting
  • Pre-Programmed Factory Settings; ON 8.3°C (47°F) / OFF 11°C (52°F)
  • 1.8m (6 ft) Electrical Cord with Combined Plug and Outlet
  • Adjustable Set-Point; Minimum -34°C (-30 °F) / Maximum 100°C (212°F)

HLA-120

  • ETL c-us Approved
  • Easy to Read Front Panel Liquid Crystal Display
  • 1 Year Limited Warranty
  • Electronic, Plugs into normal 120 Volt 15 Amp Outlet
  • 6.7m (22ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • 2 G13A size 1.5V Alkaline Button Cell Batteries Included (For Clock only)
  • Temporary and Constant Temperature Override
  • On Screen Low Battery Indicator
  • F/C Temperature Display
  • 2 Minute Short Cycle Protection
  • Adjustable Temperature Differential
  • Programmable, 5/2 Day Programming (Weekdays and Weekends can be different)
  • Positive On/Off Switch
  • Easy to Install
  • Adjustable Set-Point, Minimum Temperature Setting 7°C (45°F)

GFA-STAT

  • cULus Listed and Certified
  • 2 Year Original Manufacturers Limited Warranty
  • Nonhazardous Locations NEMA 4X Enclosure with Polycarbonate Face
  • Supply Voltage 120, 208, 240, 277 volts, Single Phase
  • Maximum Ampacity 30 amps at 277 VAC
  • Sensor Lead Length of 20 feet (6m)
  • Hard-Wired Usage Only (Professional Tradesperson Install Recommended)
  • Dimensions (LxWxH): 7 7/16 inch (189mm) x 4 inch (102mm) x 4 1/4 inch (108mm)
  • Adjustable Temperature Set Points of 30F, 38F, 45F and or 50F (-1.1C, 3.3 C, 7.2C and or 10C)
  • Set Point Differential Range 2°F (1°C)
  • GFCI Integral to Unit, 30 mA Protection
  • Remote Interface Alarm Relay Isolated SPDT 1 Amp Class 2 Contact
  • Alarm Relay Summary: No Power, GFCI Condition, GFCI Test Failure, Low Temperature, Low Current and Bad or Missing Sensor
  • Front Panel Interface Status Indicators: Green (Supply Power), Yellow (Call for Heat), Blue (Low Temperature Alarm) and Red (GFCI or Low Current Alarm Condition)

KHL-STAT-2

  • Water and Dust Resistance to IP67
  • RoHS Compliant
  • 5 Year Original Manufacturers Limited Warranty
  • Supply Voltages 6 to 28 volts DC
  • Load Control Up To 30 amps 
  • Accurate Set-Points, On at 45°F (7°C) and Off at 50°F (10°C)
  • Dimensions (LxWxH): 2.05 inch (52mm) x 1.75 inch (45mm) x 0.65 inch (17mm)
  • Power Lead Wires 12 AWG or 14 AWG
  • Calibrated RTD Sensor
  • Internal Microcontroller
  • Solid-State Switch
  • Weatherproof Housing/ Construction
  • Suitable in Environments Ranging from -40°F (-40°C) to 257°F (125°C)
  • Automatic Low-Power Shutoff at Supply Voltage Below 2.5 volt
  • Polarity Specific (Not protected or warranted against reverse polarity)

TIMER-CS/120P/ 240P

  • cCSAus Certified and Listed under Energy Management Equipment
  • Supply voltage 120 or 240 volts, Single Phase, 60 Hz
  • Resistive Rating: 20 Amps at 120/240VAC, 28 VDC
  • Motor Rating: 1HP at 120VAC and 2HP at 240 VAC
  • Operating Temperature Range 14°F to 129°F (-10°C to 54°C)
  • Product Weight 1.4 lbs (0.6kg)
  • Switch Type SPST
  • Enclosure Type 3
  • CS model timer designed for hard usage installation with Heat-Line CS model heating cable systems
  • 120P model timer for 120V applications only, provided with Female 5-15R and Male 5-15P plug end tails for use with Heat-Line GFC 120V model heating cable systems
  • 240P model timer for 240V applications only provided with Female 6-15R and Male 6-15P plug end tails for use with Heat-Line GFC 240V model heating cable systems
  • 120P and 240P timer models provided with 2 ft. (61cm) female lead and 4 ft. (123cm) male lead
  • Provides 8 field selectable cycles durations (30sec., 1min., 3mins., 5mins., 10mins., 30mins., 1hr. and 4hrs.)
  • Provides 30 different precise percentage selection options for ON TIME
  • Engineered to withstand power surges up to 6,000 VAC
  • Two slotted mounting holes on 5” (127mm) centers and a 1/2” (12.5mm) knockout for conduit connection
  • While this product and its enclosure are rated NEMA 3R with a minimum operating ambient of -10C under CSA c-us, Heat-Line recommends indoor use only. Since operation, in association with Heat-Line products, are often installed and endure minimum ambient temperatures well below -10C, outdoor timer installations are NOT recommended.

*Other thermostat and control options not listed above are available from Heat-Line. Please contact Heat-Line directly to discuss other thermostat options and control devices not listed.

Thermostats and timers can be purchased direct from Heat-Line or from plumbing, electrical and mechanical distributors throughout North America.

Order direct: Once your order is confirmed, you can expect a prompt delivery.  Request a quote online.

Find a distributor nearby: Contact us.

Part Number: HLJ-STAT

Programmable, UL listed, NEMA 1 general purpose enclosure, 120 volt plug-in device that requires no field wiring, complete with 19.6ft. sensor lead. HLJ-STAT thermostats are ordered with Heat-Line factory terminated heating cables that have the suffix “GFC” after the product number.

HLJ-STAT Thermostat For Heating Cable Systems Product Image


 

Part Number: HLA-120

Programmable, 5/2 Day Programming, ETL approved for North America, NEMA 1 general purpose enclosure, 120 volt plug-in device that requires no field wiring, complete with a 22ft. sensor lead. HLA-120 thermostats are ordered with Heat-Line factory terminated heating cables that have the suffix “GFC” after the product number.


Part Number: GFA-STAT

C-UL-US listed, NEMA 4X enclosure, 120, 208, 240 and 277 supply voltage, to be hard-wired. Complete with integral 30 mA GFEP and 20 ft. sensor lead (up to 500 ft. available). Offers on-site adjustable temperature set points of 30F, 38F, 45F and or 50F (-1.1C, 3.3 C, 7.2C and or 10C). GFA-STAT thermostats are ordered with Heat-Line factory terminated heating cables that have the suffix “CS” after the product number.


Part Number: KHL-STAT-2

RoHS Compliant, solid-state thermostat for 6 – 28 volt DC power supplies and maximum heater load switching of 30 amps. Device is complete with solid-state switch, RTD sensor and microcontroller mounted within a dust and waterproof housing. KHL-STAT-2 thermostats are ordered with Heat-Line’s Kompensator series of low voltage heating cables.


Part Number: HLPC-TIMER-CS/120P/240P

Programmable Percentage Cycle Timer, cCSAus certified as Energy Management Equipment, enclosure Type 3R, 120/ 240VAC. This field adjustable timer offers true flexibility for repetitive cycle times, and offers 8 selectable cycle durations with 30 separate percentage positions for ON time periods. The HLPC-TIMER-CS model can be ordered to operate with all Heat-Line products whether 120V and or 240V, and is commonly sold with cord set “CS” model Heat-Line products and a Heat-Line MilliAmp device. The HLPC-TIMER-120P model is designed for direct plug-in installations, it can be ordered to operate with all Heat-Line 120V products only, and is commonly sold with factory plug-in power terminated “GFC” model 120V Heat-Line products. The HLPC-TIMER-240P model is designed for direct plug-in installations, it can be ordered to operate with all Heat-Line 240V products only, and is commonly sold with factory plug-in power terminated “GFC” model 240V Heat-Line products.

Q – Is a thermostat or timer included with the heating cable system?
A – A thermostat or timer is not included as they are not required to operate the heating cable. There are multiple control devices available depending on specific application requirements.

Q – Thermostat or Timer?
A – Thermostats regulate the heating cable based on pipe temperature. It keeps the heating cable working in its most efficient state and greatly minimizes the chance of freezing when installed correctly.
Timers operate based on timed intervals so you run the chance the timer will turn on the heating cable when it is not necessary and also turning off the heating cable when it is needed. There may be an adjustment period to set up your timer suitable for your application. Timers can however be a great device to save on energy consumption.

Q – When will a thermostat work?
A – For thermostats to work most effectively it is important to place the thermostat sensor on the coldest section of the pipe. When insulation is applied to the pipe, the thermostat sensor is to be placed on the outside of the pipe between the pipe and insulation. In installations where the thermostat sensor cannot be applied to the coldest section of the pipe, the option is available to incorporate a timer device to duty cycle the heating cable device.

Q – Where is the thermostat sensor lead to be placed?
A – For the thermostat to operate most effectively the sensor must be placed on the coldest section of the pipe. This is generally where the pipe is nearest to the surface or above the ground.

Q – What heating cable length do you start to recommend the use of a thermostat?
A – A thermostat can be applied to any system length depending on the operational requirements. For most residential units, it is recommended lengths 40 feet (12m) and longer be used with a thermostat if possible.

Q – Can one thermostat be used to control multiple heating cable systems?
A – The GFA-STAT can be used to operate more than one heating cable system when the heating cables start from a central point and experience a similar operating environment. If considering using one thermostat for multiple heating cable systems, please speak to a Heat-Line technical support staff.

Q – I have a 120 volt GFC model Heat-Line freeze protection system, what thermostat is right for me?
A – Both the HLA-120 and GFA-STAT operate with 120 volt power supplies, but with a GFC model Heat-Line product a direct plug and play thermostat model such as the HLA-120 would be appropriate.

Q – I am going to purchase a 240 volt Heat-Line freeze protection system, what thermostat is right for me?
A – The GFA-STAT thermostat control device is designed for 240 volt systems and is manufactured to work in conjunction with Heat-Line cord set (CS model) systems.

Q – Are you able to make changes to the pre-sets of the GFA-STAT thermostat model?
A – Yes. The GFA-STAT thermostat device comes with 4 temperature set points (30F, 38F, 45F, or 50F (?1.1C, 3.3C, 7.2C, or 10C)) and is supplied set to maintain 50F (10C).

Q – Does the HLA-120 also work for 240 volt heaters?
A – No. The HLA-120 product is manufactured with 120 volt male and female power cords. It is designed to be plug and play for 120 volt power supplies and heating cable systems only.

Q – How do I select the proper voltage for my Heat-Line system on the GFA-STAT thermostat?
A – The GFA-STAT thermostat device has an automatic voltage selector internal to the thermostat which selects and outputs the proper voltage when wire to the power supply.

Q – How do I know if the GFA-STAT thermostat device is supplying power to my heating cable system?
A – The GFA-STAT thermostat device has four LED status lights which are Green, Yellow, Blue and Red. When power is supplied to the thermostat unit from the power supply the Green light will always be solid. When the temperature drops to a point where the heating cable is engaged the Yellow status light will illuminate and remain solid for the heating period.

Q – Can the sensor leads for the HLA-120 and GFA-STAT be extended, or are longer leads available for purchase?
A – Heat-Line provides factory direct longer sensor leads for the GFA-STAT thermostat device up to 550 feet (168m). The HLA-120 cannot be extended.

Q – Which controls device is more accurate, a thermostat and or a timer?
A – Thermostats measure exterior pipe temperature underneath the insulation and duty cycle the heating cable based on the heat loss. Unlike thermostats timers do not adjust to the changing environment (increase/ decreases in outdoor temperature). As a result, a thermostat device will always be a more reliable source of control; however, not all installations allow the installation of a thermostat and the required sensor lead. In these unique installations a timer is a more appropriate source of control.

Q – Is there a specific cycle duration setting and percentage ON time that Heat-Line recommends for the Timer when installing with Heat-Line products?
A – No. Given that every Heat-Line heating cable installation presents different variables, it is hard to set a specific time interval or percentage of run cycle for the average installation. Unlike thermostats, timers do not adjust to the changing environment (increase/ decreases in outdoor temperature). Heat-Line recommends starting with shorter cycle time intervals combined with high ON time run percentages and adjust the timer as required to achieve the most effective freeze protection and energy efficiency in your specific installation.

Q – Can I use a Heat-Line Timer with other brands of heating cables not manufactured by Heat-Line?
A – No. The Timer offered by Heat-Line is a percentage cycle timer designed to provide repetitive cycle of self-regulating heating cables that do not require high limit protection. It is not designed and or certified as a high limit device to prevent constant wattage or other hardware store heat tapes from overheating.

  • Thermostats Catalgue
  • GF-STAT Manual
  • GFA-STAT Manual
  • HLA-120 Manual
  • HLJ-STAT Manual
  • HLPC-Timer Manual
  • Use of Thermostats
  • HLPC-TIMER Specification Information
  • HLPC-TIMER-120P-240P Specification Information
  • GFA-STAT Data Sheet
  • KHL-STAT-2 Specification Information

All Heat-Line systems have a self-regulating / conductive polymer core allowing its heat output to change, increasing with cold, decreasing with warmth microscopically at every point along its length. Since the heating cables vary their heat/energy output with temperature they will not overheat; as a result, thermostats are not a requirement but simply an accessory to increase energy efficiency. It is important to remember that while self-regulating heating cable technology is very efficient, the heating cable can never operate at zero wattage and thus is a consumer of energy, however small, when powered.

A thermostat or timer can be added to all Heat-Line systems in order to duty cycle the heating cable operation ON/OFF, the result is energy saved and operating costs reduced.

Heat-Line thermostats are set to maintain the pipe at 50°F or 10°C as this setting keeps the heating cable operating in its most efficient state with a proper safety differential of 18°F or 10°C to the freezing point. The safety differential allows for a degree of human error when installing and determining the sensor placement point along the pipe. It is critical to remember during system design and installation that the thermostat duty cycles based on the temperature at one point, its sensor point location. In some cases, the proper location may be beyond the standard sensor lead length provided, as a result, Heat-Line offers extended sensor lead options upwards of 500 feet (152m) on certain thermostat models.


The sensor point location should be situated along the pipe requiring protection at what is thought to be its coldest point (most likely to freeze), and in most cases, this means placed underneath the applied pipe foam insulation. From here the thermostat can properly monitor the environment directly surrounding the pipe and provide the heating cable owner with the greatest return on their investment. Incorrect sensor placement can lead to greater than expected energy consumption, and in some cases poor heating cable performance.

The addition of thermostatic controls or timers reduces the actual amount of time the heating cable is under power. The combination of Heat-Line’s self-regulating freeze protection systems, with insulation and thermostats or timers can optimize energy efficiency, resulting in the most energy-efficient heating cable system available.

All Heat-Line systems operate using self-regulating technology which allows their heat output to change, increasing with cold, decreasing with warmth microscopically at every point along their length. Since Heat-Line brand heating cables vary their heat/energy output with temperature they will not overheat; as a result, thermostats are not a requirement but simply an accessory to increase energy efficiency. It is important to remember that while self-regulating heating cable technology is very efficient, the heating cable can never operate at zero wattage and thus is a consumer of energy, however small, when powered.

A thermostat or timer can be added to all Heat-Line systems in order to duty cycle the heating cable operation ON/OFF, the result is energy saved and operating costs reduced. Important note; when adding a thermostat and or timer you should first ensure you have insulated any exposed above ground piping. Insulation will allow the entire system to operate more efficiently and ensure your thermostat or timer control is as reliable as possible.

Thermostats:

Heat-Line thermostats are set to maintain the pipe at 50°F or 10°C as this setting keeps the heating cable operating in its most efficient state with a proper safety differential of 18°F or 10°C to the freezing point. The safety differential allows for a degree of human error when installing and determining the sensor placement point along the pipe. It is critical to remember during system design and installation that the thermostat duty cycles based on the temperature at one point, its sensor point location. In some cases, the proper location may be beyond the standard sensor lead length provided, as a result, Heat-Line offers extended sensor lead options upwards of 500 feet (152m) on certain thermostat models.

The sensor point location should be situated along the pipe requiring protection at what is thought to be its coldest point (most likely to freeze), and in most cases, this means placed underneath the applied pipe foam insulation. From here the thermostat can properly monitor the environment directly surrounding the pipe and provide the heating cable owner with the greatest return on their investment. Incorrect sensor placement can lead to greater than expected energy consumption, and in some cases poor heating cable performance.

Timers:

Timers are an optional control device that can be used in replacement of a thermostat and or in combination with a thermostat in order to increase the operating efficiency of Heat-Line brand heating cable systems. Timers provide on/off duty cycle operation based on pre-set time intervals. For example, 30 minutes on and 30 minutes off, which equals a 50% reduction in power on time. Unlike thermostats which duty cycle based on temperature settings, timers do not have the ability to adjust to environmental temperature changes as their power-on time is predetermined. Timers can be extremely useful in applications where the coldest section of pipe cannot be reached for a thermostat sensor. An example would be the coldest section is far away or not accessible because the pipe is buried. Indoor installations only. 

It is important to understand that not all heating cable systems are created equally, and as a result not all heating cable brands can employ a timer instead of a thermostat. Heat-Line brand heating cable systems give users the unique ability to install timer devices as a control option when the use of a thermostat is not viable. Unlike standard heat tape systems which require the use of a thermostat as a high limit device, Heat-Line brand heating cable systems allow for the use of other control devices such as timers due to their use self-regulating technology.
The addition of a thermostat or timers greatly reduces the actual amount of time the heating cable is under power. However, it is important to remember it is the combination of Heat-Line’s self-regulating freeze protection systems, with insulation and thermostats or timers which optimize energy efficiency, resulting in the most energy-efficient heating cable system available.

Features & Benefits

HLJ-STAT

  • Decreases Operating Costs of Heater
  • cULus Listed
  • Easy to Read Front Panel Liquid Crystal Display
  • 3 Year Original Manufacturers Limited Warranty
  • Electronic, Plugs Into Standard 5-15R 120 Volt 15 Amp Outlet
  • 6m (19.6ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • Suitable for Heating Cable Systems Up To 91m (300 ft.)
  • Easy to Install
  • Comes with DIN Rail for Easy Mounting
  • Pre-Programmed Factory Settings; ON 8.3°C (47°F) / OFF 11°C (52°F)
  • 1.8m (6 ft) Electrical Cord with Combined Plug and Outlet
  • Adjustable Set-Point; Minimum -34°C (-30 °F) / Maximum 100°C (212°F)

HLA-120

  • Decreases Operating Costs of Heater
  • ETL c-us Approved
  • Easy to Read Front Panel Liquid Crystal Display
  • 1 Year Limited Warranty
  • Electronic, Plugs into normal 120 Volt 15 Amp Outlet
  • 6.7m (22ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • 2 G13A size 1.5V Alkaline Button Cell Batteries Included (For Clock only)
  • Temporary and Constant Temperature Override
  • On Screen Low Battery Indicator
  • F/C Temperature Display
  • 2 Minute Short Cycle Protection
  • Adjustable Temperature Differential
  • Programmable, 5/2 Day Programming (Weekdays and Weekends can be different)
  • Positive On/Off Switch
  • Easy to Install
  • Adjustable Set-Point, Minimum Temperature Setting 7C (45F)

GFA-STAT

  • Decreases Operating Costs of Heater
  • cULus Listed and Certified (North America)
  • 2 Year Original Manufacturers Limited Warranty
  • Automatic Supply Voltage Selection from 120 -277 volts
  • Two-pole Contactor Switches Load Maximums of 30 amps
  • Adjustable Temperature Set Points of 30F, 38F, 45F and or 50F (-1.1C, 3.3 C, 7.2C and or 10C)
  • Alarm Relay with Isolated Contact for Excess Ground Fault Current, Low Load Current and Low Temperature
  • Fire Protection Mode
  • Integral 30 mA GFCI
  • Sensor Lead Length of 20 feet (6m)
  • Nonhazardous Locations NEMA 4X Enclosure with Polycarbonate Face
  • Very Simple to Install and Operate
  •  Front Panel Interface Status Indicators: Green (Supply Power), Yellow (Call for Heat), Blue (Low Temperature Alarm) and Red (GFCI or Low Current Alarm Condition)

KHL-STAT-2

  • Decreases Operating Costs of Heater
  • Water and Dust Resistance to IP67
  • RoHS Compliant
  • 5 Year Original Manufacturers Limited Warranty
  • Supply Voltages 6 to 28 volts DC
  • Comes Pre-set, On at 45°F (7°C) and Off at 50°F (10°C)
  • Load Control Up To 30 amps 
  • Solid-state Design Mean No Moving Parts or Mechanical Switches/ Relays
  • Highly Resistant to Mechanical and Electrical Shock
  • Highly Resistant to Vibration and Electromagnetic Interference
  • Reliability in All Conditions -40°F (-40°C) to 257°F (125°C)
  •  Weatherproof Design and Construction with Internal RTD Sensor
  •  Simple, Fast, and Efficient Installation

TIMER-CS/120P/240P

  • Decreases Operating Costs of Heater
  • cCSAus Certified
  •  Available in 120P and 240P models for direct 120V and 240V plug-in installations, works well with Heat-Line GFC model heating cable systems
  •  CS model timer designed to work with Heat-Line CS model heating cable systems
  • Provides 8 field selectable cycles durations (30sec., 1min., 3mins., 5mins., 10mins., 30mins., 1hr. and 4hrs.)
  • Provides 30 different precise percentage selection options for ON TIME
  • Suitable for both 120 volt and 240 volt applications
  • User settings are stored in non-volatile memory
  • Control and selection options easy to read and accessible on front of timer
  • Simple to set and adjust, no DIP switches to program cycle time
  • Manual ON/OFF control allows for temporary or permanent override
  • Designed to function in dusty, ammonia, and wash-down environments
  • Engineered to withstand power surges up to 6,000 VAC
  • Limited 1 Year Manufacturers Warranty

*Other thermostat and control options not listed above are available from Heat-Line. Please contact Heat-Line directly to discuss other thermostat options and control devices not listed.

Specifications

HLJ-STAT

  • cULus Listed
  • Easy to Read Front Panel Liquid Crystal Display
  • 3 Year Original Manufacturers Limited Warranty
  • Electronic, Plugs Into Standard 5-15R 120 Volt 15 Amp Outlet
  • 6m (19.6ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • Suitable for Heating Cable Systems Up To 91m (300 ft.)
  • Easy to Install
  • Comes with DIN Rail for Easy Mounting
  • Pre-Programmed Factory Settings; ON 8.3°C (47°F) / OFF 11°C (52°F)
  • 1.8m (6 ft) Electrical Cord with Combined Plug and Outlet
  • Adjustable Set-Point; Minimum -34°C (-30 °F) / Maximum 100°C (212°F)

HLA-120

  • ETL c-us Approved
  • Easy to Read Front Panel Liquid Crystal Display
  • 1 Year Limited Warranty
  • Electronic, Plugs into normal 120 Volt 15 Amp Outlet
  • 6.7m (22ft.) Temperature Sensor Lead
  • Wide Temperature Differential Adjustment
  • 2 G13A size 1.5V Alkaline Button Cell Batteries Included (For Clock only)
  • Temporary and Constant Temperature Override
  • On Screen Low Battery Indicator
  • F/C Temperature Display
  • 2 Minute Short Cycle Protection
  • Adjustable Temperature Differential
  • Programmable, 5/2 Day Programming (Weekdays and Weekends can be different)
  • Positive On/Off Switch
  • Easy to Install
  • Adjustable Set-Point, Minimum Temperature Setting 7°C (45°F)

GFA-STAT

  • cULus Listed and Certified
  • 2 Year Original Manufacturers Limited Warranty
  • Nonhazardous Locations NEMA 4X Enclosure with Polycarbonate Face
  • Supply Voltage 120, 208, 240, 277 volts, Single Phase
  • Maximum Ampacity 30 amps at 277 VAC
  • Sensor Lead Length of 20 feet (6m)
  • Hard-Wired Usage Only (Professional Tradesperson Install Recommended)
  • Dimensions (LxWxH): 7 7/16 inch (189mm) x 4 inch (102mm) x 4 1/4 inch (108mm)
  • Adjustable Temperature Set Points of 30F, 38F, 45F and or 50F (-1.1C, 3.3 C, 7.2C and or 10C)
  • Set Point Differential Range 2°F (1°C)
  • GFCI Integral to Unit, 30 mA Protection
  • Remote Interface Alarm Relay Isolated SPDT 1 Amp Class 2 Contact
  • Alarm Relay Summary: No Power, GFCI Condition, GFCI Test Failure, Low Temperature, Low Current and Bad or Missing Sensor
  • Front Panel Interface Status Indicators: Green (Supply Power), Yellow (Call for Heat), Blue (Low Temperature Alarm) and Red (GFCI or Low Current Alarm Condition)

KHL-STAT-2

  • Water and Dust Resistance to IP67
  • RoHS Compliant
  • 5 Year Original Manufacturers Limited Warranty
  • Supply Voltages 6 to 28 volts DC
  • Load Control Up To 30 amps 
  • Accurate Set-Points, On at 45°F (7°C) and Off at 50°F (10°C)
  • Dimensions (LxWxH): 2.05 inch (52mm) x 1.75 inch (45mm) x 0.65 inch (17mm)
  • Power Lead Wires 12 AWG or 14 AWG
  • Calibrated RTD Sensor
  • Internal Microcontroller
  • Solid-State Switch
  • Weatherproof Housing/ Construction
  • Suitable in Environments Ranging from -40°F (-40°C) to 257°F (125°C)
  • Automatic Low-Power Shutoff at Supply Voltage Below 2.5 volt
  • Polarity Specific (Not protected or warranted against reverse polarity)

TIMER-CS/120P/ 240P

  • cCSAus Certified and Listed under Energy Management Equipment
  • Supply voltage 120 or 240 volts, Single Phase, 60 Hz
  • Resistive Rating: 20 Amps at 120/240VAC, 28 VDC
  • Motor Rating: 1HP at 120VAC and 2HP at 240 VAC
  • Operating Temperature Range 14°F to 129°F (-10°C to 54°C)
  • Product Weight 1.4 lbs (0.6kg)
  • Switch Type SPST
  • Enclosure Type 3
  • CS model timer designed for hard usage installation with Heat-Line CS model heating cable systems
  • 120P model timer for 120V applications only, provided with Female 5-15R and Male 5-15P plug end tails for use with Heat-Line GFC 120V model heating cable systems
  • 240P model timer for 240V applications only provided with Female 6-15R and Male 6-15P plug end tails for use with Heat-Line GFC 240V model heating cable systems
  • 120P and 240P timer models provided with 2 ft. (61cm) female lead and 4 ft. (123cm) male lead
  • Provides 8 field selectable cycles durations (30sec., 1min., 3mins., 5mins., 10mins., 30mins., 1hr. and 4hrs.)
  • Provides 30 different precise percentage selection options for ON TIME
  • Engineered to withstand power surges up to 6,000 VAC
  • Two slotted mounting holes on 5” (127mm) centers and a 1/2” (12.5mm) knockout for conduit connection
  • While this product and its enclosure are rated NEMA 3R with a minimum operating ambient of -10C under CSA c-us, Heat-Line recommends indoor use only. Since operation, in association with Heat-Line products, are often installed and endure minimum ambient temperatures well below -10C, outdoor timer installations are NOT recommended.

*Other thermostat and control options not listed above are available from Heat-Line. Please contact Heat-Line directly to discuss other thermostat options and control devices not listed.

Thermostats and timers can be purchased direct from Heat-Line or from plumbing, electrical and mechanical distributors throughout North America.

Order direct: Once your order is confirmed, you can expect a prompt delivery.  Request a quote online.

Find a distributor nearby: Contact us.

Part Number: HLJ-STAT

Programmable, UL listed, NEMA 1 general purpose enclosure, 120 volt plug-in device that requires no field wiring, complete with 19.6ft. sensor lead. HLJ-STAT thermostats are ordered with Heat-Line factory terminated heating cables that have the suffix “GFC” after the product number.

HLJ-STAT Thermostat For Heating Cable Systems Product Image


 

Part Number: HLA-120

Programmable, 5/2 Day Programming, ETL approved for North America, NEMA 1 general purpose enclosure, 120 volt plug-in device that requires no field wiring, complete with a 22ft. sensor lead. HLA-120 thermostats are ordered with Heat-Line factory terminated heating cables that have the suffix “GFC” after the product number.


Part Number: GFA-STAT

C-UL-US listed, NEMA 4X enclosure, 120, 208, 240 and 277 supply voltage, to be hard-wired. Complete with integral 30 mA GFEP and 20 ft. sensor lead (up to 500 ft. available). Offers on-site adjustable temperature set points of 30F, 38F, 45F and or 50F (-1.1C, 3.3 C, 7.2C and or 10C). GFA-STAT thermostats are ordered with Heat-Line factory terminated heating cables that have the suffix “CS” after the product number.


Part Number: KHL-STAT-2

RoHS Compliant, solid-state thermostat for 6 – 28 volt DC power supplies and maximum heater load switching of 30 amps. Device is complete with solid-state switch, RTD sensor and microcontroller mounted within a dust and waterproof housing. KHL-STAT-2 thermostats are ordered with Heat-Line’s Kompensator series of low voltage heating cables.


Part Number: HLPC-TIMER-CS/120P/240P

Programmable Percentage Cycle Timer, cCSAus certified as Energy Management Equipment, enclosure Type 3R, 120/ 240VAC. This field adjustable timer offers true flexibility for repetitive cycle times, and offers 8 selectable cycle durations with 30 separate percentage positions for ON time periods. The HLPC-TIMER-CS model can be ordered to operate with all Heat-Line products whether 120V and or 240V, and is commonly sold with cord set “CS” model Heat-Line products and a Heat-Line MilliAmp device. The HLPC-TIMER-120P model is designed for direct plug-in installations, it can be ordered to operate with all Heat-Line 120V products only, and is commonly sold with factory plug-in power terminated “GFC” model 120V Heat-Line products. The HLPC-TIMER-240P model is designed for direct plug-in installations, it can be ordered to operate with all Heat-Line 240V products only, and is commonly sold with factory plug-in power terminated “GFC” model 240V Heat-Line products.

Q – Is a thermostat or timer included with the heating cable system?
A – A thermostat or timer is not included as they are not required to operate the heating cable. There are multiple control devices available depending on specific application requirements.

Q – Thermostat or Timer?
A – Thermostats regulate the heating cable based on pipe temperature. It keeps the heating cable working in its most efficient state and greatly minimizes the chance of freezing when installed correctly.
Timers operate based on timed intervals so you run the chance the timer will turn on the heating cable when it is not necessary and also turning off the heating cable when it is needed. There may be an adjustment period to set up your timer suitable for your application. Timers can however be a great device to save on energy consumption.

Q – When will a thermostat work?
A – For thermostats to work most effectively it is important to place the thermostat sensor on the coldest section of the pipe. When insulation is applied to the pipe, the thermostat sensor is to be placed on the outside of the pipe between the pipe and insulation. In installations where the thermostat sensor cannot be applied to the coldest section of the pipe, the option is available to incorporate a timer device to duty cycle the heating cable device.

Q – Where is the thermostat sensor lead to be placed?
A – For the thermostat to operate most effectively the sensor must be placed on the coldest section of the pipe. This is generally where the pipe is nearest to the surface or above the ground.

Q – What heating cable length do you start to recommend the use of a thermostat?
A – A thermostat can be applied to any system length depending on the operational requirements. For most residential units, it is recommended lengths 40 feet (12m) and longer be used with a thermostat if possible.

Q – Can one thermostat be used to control multiple heating cable systems?
A – The GFA-STAT can be used to operate more than one heating cable system when the heating cables start from a central point and experience a similar operating environment. If considering using one thermostat for multiple heating cable systems, please speak to a Heat-Line technical support staff.

Q – I have a 120 volt GFC model Heat-Line freeze protection system, what thermostat is right for me?
A – Both the HLA-120 and GFA-STAT operate with 120 volt power supplies, but with a GFC model Heat-Line product a direct plug and play thermostat model such as the HLA-120 would be appropriate.

Q – I am going to purchase a 240 volt Heat-Line freeze protection system, what thermostat is right for me?
A – The GFA-STAT thermostat control device is designed for 240 volt systems and is manufactured to work in conjunction with Heat-Line cord set (CS model) systems.

Q – Are you able to make changes to the pre-sets of the GFA-STAT thermostat model?
A – Yes. The GFA-STAT thermostat device comes with 4 temperature set points (30F, 38F, 45F, or 50F (?1.1C, 3.3C, 7.2C, or 10C)) and is supplied set to maintain 50F (10C).

Q – Does the HLA-120 also work for 240 volt heaters?
A – No. The HLA-120 product is manufactured with 120 volt male and female power cords. It is designed to be plug and play for 120 volt power supplies and heating cable systems only.

Q – How do I select the proper voltage for my Heat-Line system on the GFA-STAT thermostat?
A – The GFA-STAT thermostat device has an automatic voltage selector internal to the thermostat which selects and outputs the proper voltage when wire to the power supply.

Q – How do I know if the GFA-STAT thermostat device is supplying power to my heating cable system?
A – The GFA-STAT thermostat device has four LED status lights which are Green, Yellow, Blue and Red. When power is supplied to the thermostat unit from the power supply the Green light will always be solid. When the temperature drops to a point where the heating cable is engaged the Yellow status light will illuminate and remain solid for the heating period.

Q – Can the sensor leads for the HLA-120 and GFA-STAT be extended, or are longer leads available for purchase?
A – Heat-Line provides factory direct longer sensor leads for the GFA-STAT thermostat device up to 550 feet (168m). The HLA-120 cannot be extended.

Q – Which controls device is more accurate, a thermostat and or a timer?
A – Thermostats measure exterior pipe temperature underneath the insulation and duty cycle the heating cable based on the heat loss. Unlike thermostats timers do not adjust to the changing environment (increase/ decreases in outdoor temperature). As a result, a thermostat device will always be a more reliable source of control; however, not all installations allow the installation of a thermostat and the required sensor lead. In these unique installations a timer is a more appropriate source of control.

Q – Is there a specific cycle duration setting and percentage ON time that Heat-Line recommends for the Timer when installing with Heat-Line products?
A – No. Given that every Heat-Line heating cable installation presents different variables, it is hard to set a specific time interval or percentage of run cycle for the average installation. Unlike thermostats, timers do not adjust to the changing environment (increase/ decreases in outdoor temperature). Heat-Line recommends starting with shorter cycle time intervals combined with high ON time run percentages and adjust the timer as required to achieve the most effective freeze protection and energy efficiency in your specific installation.

Q – Can I use a Heat-Line Timer with other brands of heating cables not manufactured by Heat-Line?
A – No. The Timer offered by Heat-Line is a percentage cycle timer designed to provide repetitive cycle of self-regulating heating cables that do not require high limit protection. It is not designed and or certified as a high limit device to prevent constant wattage or other hardware store heat tapes from overheating.

  • Thermostats Catalgue
  • GF-STAT Manual
  • GFA-STAT Manual
  • HLA-120 Manual
  • HLJ-STAT Manual
  • HLPC-Timer Manual
  • Use of Thermostats
  • HLPC-TIMER Specification Information
  • HLPC-TIMER-120P-240P Specification Information
  • GFA-STAT Data Sheet
  • KHL-STAT-2 Specification Information

Customer Reviews

1 reviews

1 review for Thermostats & Timers

  1. Harry

    Great service and support, easy to install

    Harry

    Great service and support, easy to install

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