EXT-R is an advanced, self-regulating heat tracing system that can be used for efficient and reliable pipe freeze protection. EXT-R is suitable for installation on the outside of both metallic and non-metallic pipes. Certified for direct earth burial and wet locations the EXT-R heat trace cable can be installed indoors and outdoors. As EXT-R is a very versatile heat trace cable, it can also be installed inside most non-pressurized, non-potable pipes and drains. Heat-Line offers the only external trace heating cables on the market that are wet location certified by cCSAus. The EXT-R system is easily adapted to a variety of applications.
EXT5R is supplied job-ready as a plug-in unit with GFCI protection with a 4ft. (1.2m) power lead and is factory finished to length making installation simple, fast and cost-effective. The need for an electrician to provide on-site power and complex terminations is eliminated.
The EXT-R electrical heat trace cable is supplied as a job-ready, pre-assembled system that is a safe and reliable solution for all metallic and non-metallic pipe types and materials of many sizes. This includes but is not limited to copper, PEX, polyethylene, ABS, PVC, galvanized, stainless, ductile iron, rubber, vinyl and more. Even in applications where pipes are intended to be dry for short or extended periods of time, EXT-R will never overheat or melt the pipe due to its advanced self-regulating heat tape technology.
EXT-R is cCSAus certified to meet and or exceed North American standards. EXT-R is the only known trace heating cable available on the market that carries direct earth burial and wet location approvals making it suitable to install in a variety of applications.
EXT-R employs the unique and advanced performance of self-regulating heat tracing technology. Constructed of self-regulating heat tracing technology the EXT-R can effectively increase heat and energy output microscopically to points along its length which are cold and simultaneously reduce heat and energy output to points which are warm. You never have to worry about the EXT-R heat trace cable overheating causing risk of melting and fire because of the self-regulating pipe warmer heat cable technology. EXT-R gives you the peace of mind of reliable freeze protection without the risk. It has become an essential product for farmers and barn managers to provide safe and reliable freeze protection in barns and stables.
To further increase the energy efficiency of your EXT-R heating cable system, it is recommended to add thermal insulation and a thermostat. The additional thermal insulation works to reduce heat loss, and the thermostat allows you to duty cycle your EXT-R system based on external pipe temperature. Both accessories combined can increase energy efficiency by as much as 80%.
EXT-R is an external heat tracing system designed to provide reliable freeze protection of metallic and non-metallic pipes. Examples include but are not limited to;
Existing water supply lines subject to freezing
Small diameter water supply lines
Large diameter pipes and hoses
All metallic and non-metallic pipes and drains
Sewage, septic and effluent pipes
Most metallic and non-metallic tanks
As EXT-R is also wet location approved, it may also be used inside non-pressurized, non-potable applications. Examples include but are not limited to:
Drains and culverts
EXT-R can be found providing freeze protection in many of the following places:
Lake homes and cottages
Camps and RV’s
Mining and exploration
As EXT-R is a high-quality product, it is installed in a different fashion as compared to traditional-style heat tape products. Other hardware store heat tape products must be pitched or spiraled around the pipes in order to apply adequate amounts of heat to un-insulated pipes, making them very high in energy consumption. With EXT-R, the heating cable is simply applied on to the pipe in a single run in most applications; therefore, reducing the overall length of heating cable by as much as 60%. (see Measuring Tips).
When combined with thermal insulation and a thermostat, the amount of heat required is reduced; thereby generating greater energy savings.
EXT-R is Heat-Line’s most versatile product, and as such it can be utilized in many specialized applications including soil warming for agricultural applications, metallic and non-metallic tank heating, freezer threshold door warming, and cooling tower ice build-up prevention. If you feel you have a special or unique application for EXT-R please contact Heat-Line directly and speak with one of our knowledgeable product specialists.
5 year limited warranty, 10 year extended warranty available
Can be installed on all metallic and non-metallic pipes, tanks and vessels
Provides reliable freeze protection of all pipe diameters (when properly measured and installed)
Easily and quickly installed on most pipes without their removal
Will never melt or burn through the water pipe, even if the pipe is dry
Can be overlapped without the concern of overheating
Can be fully insulated to increase energy efficiency
Control devices including timers and thermostats are optional
Available in 10 ft. (3m) increments from 130 ft. (40m) to a maximum length of 540 ft. (164m), custom lengths are available (for shorter systems see Paladin for Pipe)
Ground fault protection is included with all EXT-R GFC models, for hard usage direct wire EXT-R is also available in cord set CS models
cCSAus approved (Canada and USA)
Manufactured in North America
Direct earth burial approved
Wet location approved
Most reliable and energy-efficient system on the market
EXT-R GFC models simply plug into a 120V or 240V receptacle. No extra electrical work is required (Cord set (hardwire) connected EXT5-R models available upon request)
No other product combines the features and offers the flexibility of EXT-R by Heat-Line
cCSAus approved (Canada and USA) LR85446
Usage W Canada
Installation Type A USA
Direct earth burial and wet location approved
Self-Regulating/ Conductive Polymer Technology
Thermo Plastic Elastomer (TPE) Outer Jacket
120V systems – 5W/ft. (15W/m) at 50°F (10°C), minimum length 130 ft (40m), maximum length of 220 ft. (67m)
240V systems – 5W/ft. (15w/m) at 50°F (10°C) minimum length 250 ft (76m), maximum length 540 ft. (164.5m)
120 Volt GFC models – 4 ft. (1.2 m) power supply lead with 27 milliamp ground fault circuit interrupter plug-in device
240 Volt GFC models – 6 ft. (1.8 m) power supply lead with 27 milliamp ground fault circuit interrupter plug-in device
CS models – 6 ft. (1.8 m), 12- 14 AWG SJEOOW supply cord for direct hardwire connection, GFCI must be field installed
Safe for use on all metallic and non-metallic pipe
Suitable for operating exposure temperatures up to 150°F (65°C)
Manufactured in North America
For shorter system lengths starting at 10 ft. (3m) see Paladin for Pipe
Measuring Recommendations for EXT-R
Always measure prior to ordering, do not assume or estimate the length required.
-The EXT-R is an advanced external self-regulating heating cable system factory finished and supplied job-ready to a pre-determined length provided at the time of order.
-EXT-R systems are priced and manufactured in standard lengths of 10 ft. (3m) from 130 ft. (40m) to 220 ft. (67m) in 120 volt, and in 10 ft. (3m) increments from 250 ft. (76m) to 540 ft. (164.5m) in 240 volt.
-An EXT-R system can never be lengthened. If a longer system is needed either a separate heating cable would need to be purchased to make up the difference or an entire new system of the appropriate length.
-An EXT-R system can never be cut shorter at the job-site. If a shorter system is needed it can be looped at the end, or spiralled back on the pipe. It is safe for the heating cable to overlap.
-Given that the EXT-R systems are provided in 10 ft. (3m) increments it is wise to always round up to the nearest standard length. For example, if an 177ft. (54m) system was required, Heat-Line recommends to round up to a 180ft. (55m) system.
-When measuring the length required of an external heating cable system, care is required to ensure that the ordered length is exact or longer than required. There is no way to lengthen the EXT-R product when on site.
For the best results when calculating the required length of EXT-R that is required you should gather the following information:
Pipe/ drain type/ material (PVC, Copper, PEX, ABS, Iron Pipe, Galvanized, etc.)
Pipe/ drain diameter
Pipe/ drain length
Number of valves and or spigots along the length of the pipe
Insulation type and thickness if applicable (Heat-Line can recommend insulation options)
Lowest outdoor ambient temperature
Is the pipe or drain buried or above ground
-Determining the length of EXT-R heat trace required for common external heat tracing of metallic and non-metallic pipes could not be simpler as most pipe 2 inch (51mm) or less in diameter only requires a single (straight) trace of EXT-R along the length of the pipe.
-For lengths of pipe that have spigots and or valves you will need to add at least 2.5 ft. (0.75m) of additional heater per valve and or spigot.
-For special applications and or pipe diameters greater than 2 inches (51mm) contact Heat-Line and speak with an application specialist to determine exact requirements.
-While the EXT-R system is designed for external heat tracing of small and larger diameter metallic and non-metallic pipes, it can also be installed within gravity-fed ground water drains given its wet location approval.
– Determining the length of EXT-R heat trace required for internal heat tracing of metallic and non-metallic drains could not be simpler as the objective is to create a melt water pathway or channel within the larger drain.
-A common single (straight) internal length of the EXT-R is all that is commonly required within a drain. In applications where the outlet of the drain is exposed, Heat-Line recommends to double back or dual trace the last 2-5 ft. (0.6m – 1.5m) of the drain.
EXT-R is a custom order product however in most cases it can be shipped out within 3 days from the time of order. Please call for current availability and lead times.
Included in a EXT-R system:
Factory finished, self-regulating heating cable set in a pre-determined length
120V GFC model: 4 ft. (1.2 m) power supply lead with 27 milliamp ground fault circuit interrupter plug-in device
240V GFC model: 6 ft. (1.8 m) power supply lead with 27 milliamp ground fault circuit interrupter plug-in device
CS model: 6 ft. (1.8 m), 12- 14 AWG SJEOOW supply cord for direct hardwire connection, GFCI must be field installed
5 year limited warranty
Clear, concise installation and support documentation
120V plug-in thermostat (GFC)
120/240V hardwire thermostat with GFCI (CS)
120V plug-in timer (GFC)
240V plug-in timer (GFC)
120/240V hardwire timer (CS)
120/240V GFCI/ELCI (CS)
Insulation sleeve for 1 inch ID pipe (1 5/8 inch ID, 6 ft long)
Insulation sleeve for 1 1/4 inch ID pipe (1 7/8 inch ID, 6 ft long)
Insulation sleeve for 2 inch ID pipe (2 5/8 inch ID, 6 ft long)
Insulation sleeve for 3 inch ID pipe (3 1/2 inch ID, 6 ft long)
Insulation sleeve for 4 inch ID pipe (4 1/2 inch ID, 6 ft long)
Tape for insulation sleeves (100 ft)
Aluminum bubble foil insulation (16 in wide, sold by the foot)
All weather Aluminum foil tape (150 ft)
Cable guards/protectors (pkg of 4, 6 in each)
Extended 10 year limited warranty
Q – What is the difference between EXT-R and Paladin?
A – There is no mechanical and or physical difference between the EXT-R and Paladin product groups. The Paladin system though however carries an additional certification designation that the EXT-R does not which makes the Paladin product certified for use in Roof and Gutter de-icing applications.
Q – Is EXT-R safe to use on plastic pipes?
A- Yes. The EXT-R system is approved for use on all metallic and non-metallic pipes. The advanced self-regulating technology employed in the EXT-R product renders it safe on plastic pipes even when dry as it can never overheat and damage the pipes.
Q – Can EXT-R be buried?
A – Yes. The EXT-R system (along with Paladin and EXT-T) is certified for both direct burial and wet locations as a result of the proprietary end-seal termination.
Q – Can EXT-R only be used to trace pipes on the outside?
A – No. EXT-R was originally intended to be installed on the outside of the pipes however because of its specialized wet location approval it is suitable to be placed inside non-pressurized, non-potable pipes such as drains.
Q – Do I have to spiral the EXT-R system around the pipe or just run straight along the side of the pipe?
A – Since EXT-R has extraordinary heat transfer properties it can be simply run straight along the pipe without the need to pitch or spiral the heater for most pipe diameters up to 2 inches (0.6m). This unique installation factor means that the overall length of heating cable required is greatly reduced, decreasing overall operating costs.
Q – Does EXT-R come with a thermostat?
A – A thermostat is not included with the EXT-R product as they are not required for proper and safe operation; however a thermostat can be purchased as an additional accessory. Depending on system applications, or where automatic operation is preferred, a thermostat can be used to switch the system on and off to help conserve power or to duty cycle the system. When combined with insulation thermostats can substantially increase energy efficiency.
Q – Can I (the homeowner) install EXT-R?
A – Heat-Line provides proper and easy to follow installation instructions with all Heat-Line products, and offers market-leading technical support. As a result, most Heat-Line systems, including EXT-R can be installed by homeowners; however, Heat-Line commonly recommends that a qualified tradesperson complete the installation process
Q – What do I do if I have extra EXT-R heating cable?
A – If you have extra heater you can loop the excess back up the pipe or concentrate more heating cable in more exposed sections of the pipe. If needed it is safe for the heating cable to overlap as it is self-regulating and will not overheat.
Q – Does the unit shut off when not required?
A – No. EXT-R self-regulating heating cable systems increase heat output with cold but more importantly, decrease heat output with warmth. As a result, Heat-Line brand products are very energy efficient to operate, but do not completely shut off as they can only idle their output to a minimum amount. To completely shut off the system it must be unplugged or installed with a control device such as a thermostat.
Q – Does a 240-volt system use less power than a 120-volt system?
A – A common misconception is that a 240V electrical appliance consumes less energy than a 120V electrical appliance. Power consumption is measured in watts, not voltage. Whether you are consuming 500 watts at 120V or 500 watts at 240V you are still consuming 500 watts of energy.
Q – If the power fails, do I have to reset the unit?
A – Heat-Line products including EXT-R are designed to turn back on as soon as the power to the unit is supplied. Once re-energized the EXT-R system has the ability to increase its output to immediately begin to defrost any section of the pipe that has or was close to freezing during the power outage. In many instances defrosting the pipe can take as little as an hour or less.
Q – How much power does an EXT-R consume?
A – All Heat-Line brand systems including EXT-R employ Heat-Line’s advanced self-regulating heating cable technology which operates to deliver energy and heat output to areas of the pipe that are cold and reduces energy and heat output to areas which are warm. While the overall amount of energy consumed depends on multiple factors you can be assured that you are installing the most energy-efficient heating cable system available. If you would like to reduce your energy consumption further you can investigate the addition of a thermostat, timer, and or other control device.
Q- Is there a maximum length of EXT-R heating cable systems?
A – Yes. The maximum circuit length of EXT-R that is allowed on a 120V circuit is 240ft. (73m), and or 540ft. (164m) on a 240V circuit. For applications that require shorter lengths please see Paladin, and for longer applications please see cut-to-length.
Q – Can EXT-R be cut to length if too long?
A – No. The EXT-R system manufactured by Heat-Line is a pre-assembled factory terminated advanced self-regulating heating cable system that is not designed to be field terminated and or tailored to length. If you have extra heater you can loop the excess back up the pipe or concentrate more heating cable in more exposed sections of the pipe.
Q – My EXT-R system is too short; can I add a small section onto the end? If not, what can be done?
A – No. The EXT-R system manufactured by Heat-Line is a pre-assembled advance self-regulating heating cable system that includes a proprietary end-seal termination and elastomeric heating cable jacket engineered to be certified for direct burial and wet locations. As such the EXT-R system cannot be spliced together in the field. If greater length of the EXT-R is required you may purchase a single continuous product of the proper length, and or relocate a second power source and install an additional EXT-R system to complete the required freeze protection.
Q – Can I install the EXT-R system on a pipe that is inside a wall?
A – No. It is not recommended to install the EXT-R heating cable system behind a wall as this renders the product unserviceable which is an improper installation per the National and Canadian Electrical Codes.
Q- What type of insulation should I use with the EXT-R system?
A – Heat-Line recommends to use insulation that is best suited to the environment in which it is going to be installed. A common type of insulation employed with EXT-R heating cables is fire resistance waterproof pipe foam insulation sleeves.
Q – Where do I purchase the EXT-R heating cable system?
A – The EXT-R heating cable system manufactured by Heat-Line is available directly through Heat-Line and or any of our Heat-Line product distributors. For a list of Heat-Line product distributors in Canada and the United States please contact Heat-Line directly on our toll-free number at (800) 584-4944.
Q – Will the EXT-R system work with DC voltage?
A – No. The EXT-R heating cable system is designed to work with AC voltage only. For 12 volt or 24 volt DC applications see Kompensator.
Q – What is the indication light on the GFCI located in the electrical lead of the GFC EXT-R models for?
A – The indication light located on the GFCI device included with all GFC model EXT-R systems verifies that power is provided to the GFCI device and that the GFCI is allowing power to pass through to the heating cable device.
Q – Do I have to use insulation with the EXT-R system?
A – Insulation is highly recommended when using the EXT-R system, especially if the installation is above ground in ambient outdoor air. Insulation helps reduce the overall heat loss and therefore reduces the amount of energy the EXT-R heating cable must consume.
Paladin & EXT Catalogue
Soil Heater Concept
Cord-Set (CS) vs Ground-Fault (GFC) Power Supply Options
Bridge Span Concept
Polyethylene Tanks Concepts
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