Hot water Temperature Maintenance Heating Cable HWSR
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Hot Water Pipe Temperature Maintain Self-Regulating Heating Cable HWSR

self regulating heating cable

Hot Water Pipe Temperature Maintain Self-Regulating Heating Cable HWSR

HWSR self-regulating heating cable is highly efficient both to prevent freezing and to maintain temperature for hot water supply pipes.

  • Brand:

    Huanrui
  • Power Ouput:

    7,9,12(W/M)
  • Max. Maintain Temperature:

    65℃
  • Max. Exposure Temperature:

    85℃
  • Min. Installation Temperature:

    -10℃
  • Rated Voltage:

    110V-120V/220V-240V
  • Max. Resistance of Braid:

    ≤18.2Ω/Km
  • Bus Wire Gauge:

    18AWG
  • Certifications:

    CE,EAC

  Constructed of a semiconductor heater matrix extruded between parallel bus wires, a self-regulating cable adjusts its output to independently respond to ambient temperatures all along its length. It will never overheat or burnout even when overlapped. And it can be cut to any length. As the result, we got an energy efficient heating cable.

Especially, the self-regulating conductive core and insulation jacket of HWSR are treated with irradiation cross-linking reaction, in order to attain excellent heat resistance and cable stability in long term operation.


Product advantages

1.Self regulating heating cable  

2.Low decrease in wattage

3.Long working life

4.Low starting current

5.High insulation resistance

6.High resistance to low and high temperature

7.Patented 3-layer co-extrusion technique

8.High stability in performance

9.Free of maintenance





  HWSR-P: Tinned copper braid provides additional mechanical and ground protection.

  HWSR-PB: Flame retardant thermoplastic outer jacket protects against certain inorganic chemical solutions, it also protects against abrasion and impact damage.


  HWSR is very effective to protect hot water supply pipes from freezing with low energy consumption.


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