A low-cost self-regulating pipe cable with a thermostat, for long runs of pipe or an RV water line.
Amazon $71.99The HEATIT 3JHSF 100 ft is the better heat cable overall, rated 4.0 to 3.4. The HEATIT 3JHSF 100 ft leads on thermostat and value. The HEATIT 3JHSF 100 ft costs $40 less ($71.99 vs $111.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A bulk self-regulating cable with one plug kit included, for one long custom-length run.
Amazon $111.99Which should you buy?
- Choose the HEATIT 3JHSF 100 ft for thermostat (built-in thermostat, on at 38 F vs no built-in thermostat) and value ($0.72 per ft ($71.99, 100 ft) vs $1.12 per ft ($111.99, 100 ft)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every pipe freeze protection heat cable; a clear win is highlighted. How we rank explains each one.
| Factor weight | HEATIT 3JHSF 100 ft | HEATIT 5HTM 100 ft Kit |
|---|---|---|
| Overall rating | 4.0/5 | 3.4/5 |
| Value 35% | 74 $0.72 per ft ($71.99, 100 ft) | 55 $1.12 per ft ($111.99, 100 ft) |
| Heating type 20% | 100 self-regulating | 100 self-regulating |
| Thermostat 10% | 100 built-in thermostat, on at 38 F | 0 no built-in thermostat |
| Ready to install 10% | 100 plugs in out of the box | 100 plugs in out of the box |
| Safety 10% | 60 ETL listed | 60 ETL listed |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| HEATIT 3JHSF 100 ft | HEATIT 5HTM 100 ft Kit | |
|---|---|---|
| Heating | ||
| Heated length | 100 ft | 100 ft |
| Rated output | 3 W/ft | 5 W/ft |
| Voltage | 120 V | 120 V |
| Heating type | Self-regulating | Self-regulating |
| Built-in thermostat | On at 38 F, off at 50 F | No |
| Largest pipe | - | 2 in |
| Installation | ||
| Connection | Plugs in | Plugs in |
| Cold lead (power cord) | 3 ft | - |
| Safety and warranty | ||
| Safety listing | ETL | ETL |
