50’ Pipe Freeze Protection Self-Regulating Heating Cable, 10W/ft., 120V

50’ Pipe Freeze Protection Self-Regulating Heating Cable, 10W/ft., 120V


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  • Uses heat to protect non-flowing water pipes from freezing
  • This 50’ length of 120V heating cable is ideal for use with 50’ or shorter pipes
  • Can be trimmed to length (with accessories) at the jobsite by the installer
  • With a nominal output of 10 watts per linear foot at 50°F (10°C), this cable can warm most commercial and residential pipes
  • Covered by a 10-year warranty

PRO-Tect: Pipe Freeze Protection Self-Regulating Heating Cable Description

Cold temperatures and non-flowing water pipes don’t mix well. Residentially, these frozen pipes can mean inconvenience and high repair costs. In an industrial or light-commercial setting, it can mean huge losses in productivity and potential damage to expensive property. The PRO-Tect Pipe Freeze Protection Self-Regulating Heating Cable from WarmlyYours provides a reliable, energy efficient defense to protect vulnerable pipes from freezing.

This trace heating product is great for protecting pipes that are located in poorly insulated areas or that are located on perimeter walls. The durable, thermoplastic outer-jacket makes this product impervious to the elements, which means it can be used for exterior pipes and in wet locations. 

The PRO-Tect heat tracing product is also self-regulating. This means the power output (watts per linear foot) of the product will fluctuate based on the cable’s temperature. This is automatic and ensures both energy efficiency and low operating costs. It also helps prevent overlapped or criss-crossed cables from overheating. This particular cable has a nominal heat output of 10 watts per linear foot when the cable is at 50°F (10°), which allows for the cable to provide more heat output to warm larger diameter pipes.   

This 50’ length of 120V heating cable can be used to protect pipes that are 50’ long or shorter. With the use of Power Connection Kit (SR-PWR-KIT) accessory, which is sold separately, it can be trimmed and end-capped to exact size by the installer.


  • Nominal power output at 50°F (10°C): 10W per linear ft.
  • 120 VAC, hardwired electrical connection  
  • Durable, yet flexible, construction
  • Automatically varies wattage for optimal energy savings
  • Can be overlapped or criss-crossed
  • Safe: cULus and cCSAus listed
  • Warranty: 10-years



Amps 4.17 A
Benefits Can be cut-to-length & overlapped
Cable Type Self Regulating
Connection Method Hardwired
Voltage 120 VAC
Watts Per Ft. at 50°F/10°C 10 W

Warranty / Certifications

Approvals cULus & cCSAus Listed
Warranty 10 years


Cable Cross Section 0.42″ x 0.23″ / 10.7mm x 5.84mm
Cable Jacket Waterproof thermoplastic

Product Dimensions

Length 50 ft


Maximum Intermittent Exposure Temperature, 1000 Hours (Power On or Off) 185°F / 85°C
Maximum Maintain or Continuous Exposure Temperature (Power On) 149°F / 65°C
Minimum Bend Radius 1.125″ / 28.6mm
Minimum Installation Temperature 0°F / -18°C


SKU PT-SR-120-10-0050
UPC (GTIN-12) 881308067885

Customer Questions & Answers

PRO-Tect: Pipe Freeze Protection Self-Regulating Heating Cable has 21 Questions and Answers.

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Will pipe freeze protection cables work on DC voltage?

No. They are not designed to be powered by DC voltage. They must be used with AC voltage. 

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Will heat tape really keep my pipes from freezing?

Simply put, yes--the right type of heat tape will really keep your pipes from freezing. By applying gentle heat, heat tape can prevent the water in your pipes from turning to ice and blocking the flow of water--or worse. Combined with proper insulation, heat tape regulates the overall temperature of your water pipes.

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What is the power output of this cable?

We sell three different max power outputs: 10W/ft. 8W/ft., and 5W/ft. Because these cables are self-regulating, the actual power output will depend on the temperature (i.e. the lower the temperature, the higher the power output). 

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How much cable will I need for my project?

The amount of cable needed depends on the size and type of pipe, and on the lowest expected temperature. Once you know the type of pipe (metal or plastic), pipe diameter, length of pipe, and the minimum expected temperature, you can use this form to request a quote. Just follow the instructions on the form to get it back to us. 

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How does this type of cable work?

Self-regulating heating cables, like PRO-Tect: Pipe Freeze Protection cables, use a conductive polymer core, which continually adjusts its heat output.
This is why ­­­­­this type of cable, unlike some heat tapes, won’t burn out if it is wrapped closely together, overlapped, or overinsulated. This also means lower operating costs and increased energy efficiency. 

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Customer Reviews

PRO-Tect: Pipe Freeze Protection Self-Regulating Heating Cable achieved an average rating of 5.0 stars with 2 reviews by our customers.

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Roof heat cables, Yes!

Gigi D., La Grange, IL on 02/11/2022

Product works great. WarmlyYours terrific; prepared me with all the necessary information for the installation and back end support if we needed it at the time of installation. I’ll be back.

Amazing Products and Customer Service

Anna H., Elburn, IL on 09/24/2021

I have been a customer with WarmlyYours for about a year now, and i wanted to compliment the amazing products and customer service. Customer Service Representative, Troy, has been so helpful and prompt, it makes ordering a breeze

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