1 / 7HEATIT 5JHSF 100 ft Self-Regulating Pipe Heat Cable, 5 W/ft
HEATIT 5JHSF is a 100 ft self-regulating heat cable intended to help protect water pipes from freezing. The listing describes 5 W/ft output, a built-in thermostat, a lighted plug and use on plastic or metal pipes, with installation and temperature claims to review before choosing it.
At a glance
- Self-regulating operation is claimed to adjust power output with ambient temperature, while an integral thermostat is stated to switch on at 38°F and off at approximately 50℉(10℃).
- The listing says it is suitable for plastic and metal water-supply pipes up to 2.5" in diameter.
- The cable is described as pre-assembled and installable in straight, spiral or overlapped configurations.
Reference price: $127.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- The stated 100 ft length may suit longer pipe runs than short cable kits.
- The stated pipe compatibility covers both plastic and metal water-supply lines.
- A built-in thermostat and lighted plug are listed, with a 3 Ft power cord.
Technical specifications
14 specifications| Brand | HEATIT |
|---|---|
| Model | 5JHSF |
| Cable length | 100 ft |
| Listed output | 5W/FT |
| Pipe types | plastic or metal water supply pipes |
|---|---|
| Maximum pipe diameter stated | 2.5" |
| Freeze-protection temperature claim | -40°F (-40°C) |
| Thermostat on temperature | 38°F |
| Thermostat off temperature | approximately 50℉(10℃) |
| Installation methods listed | Straight-traced, Spiraled, or Overlapped |
| Power cord and plug | 3 Ft power cord Plus Lighted plug |
| Test condition before installation | under 0°C (32°F) |
| Certification claim | ETL Certified |
|---|
| Weight listed | 2.46 kg |
|---|
What to know before buying
- The listing describes operation down to -40°F (-40°C), but performance depends on the stated installation and operating conditions. Test before installation at a temperature under 0°C (32°F), as directed by the listing.
Listing details to confirm
The listing calls 5W/FT the material in product details, although it is presented as the cable's output in the title and features. The 100 ft length, 5 W/ft output and operating-temperature claims are listing specifications, not independently verified measurements.
Who is it for?
A good fit for
- People protecting longer residential or commercial water-supply pipe runs from freezing.
- Buyers whose pipes are plastic or metal and no more than the stated 2.5" diameter.
- DIY installers comfortable following the product's four-step instructions and testing condition.
Less suited to
- Buyers needing confirmed performance beyond the listed conditions or independently verified output.
- Installations where the pipe exceeds the stated 2.5" diameter or where an in-pipe cable is required.

Customer reviews on Amazon
- 5 stars
64% 64% - 4 stars
13% 13% - 3 stars
3% 3% - 2 stars
2% 2% - 1 star
18% 18%
Customer feedback describes quality positively, while reports are mixed on functionality, ice resistance, heat output and installation. For buyers considering the listed self-regulating cable and thermostat, those mixed experiences make installation requirements and freeze-protection expectations particularly relevant. Aggregate ratings are generally positive but include a notable one-star share, so they do not establish consistent performance for a particular pipe or setup.
Positive themes
- Customer feedback describes product quality positively.
Mixed feedback
- Customer feedback is mixed on functionality, ice resistance, heat output and installation.
Frequently asked questions
What is the stated cable length and output?
The product title and details describe a 100 ft cable with 5 W/ft output. Product details also list 5W/FT as the material, so treat that field as inconsistent rather than as a confirmed material.
Which pipes does the listing say it fits?
It claims suitability for plastic and metal water-supply pipes up to 2.5" in diameter.
When does the built-in thermostat operate?
The listing says it turns on at 38°F and turns off at approximately 50℉(10℃).
What installation arrangements are described?
The listing names straight-traced, spiraled or overlapped installation and says to test the cable below 0°C (32°F) before installation.

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