By Pentair

Pentair High Limit Switch for MasterTemp And Max-E-Therm Heaters | 42001-0063S

Regular price $58.99
Regular price $65.99 Sale price $58.99
-$7.00

CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov

Found In These Collections


  • Pentair Valve Actuator 3-Port CVA24 with cable for pool valves - Discount Pool Mart DPM authorized dealer.

    All Pentair Equipment & Products

    Collection
  • Pentair Valve Actuator 3-Port CVA24 with cable for pool valves - Discount Pool Mart DPM authorized dealer.

    Heater & Heat Pump Parts

    Collection
  • Pentair ETi 400 Heater Replacement Parts Diagram

    Pentair ETi 400 Heater Replacement Parts Diagram

    Collection
  • Pentair MasterTemp 460730 Heater Replacement Parts Diagram

    Pentair MasterTemp 460730 Heater Replacement Parts Diagram

    Collection
  • Pentair MasterTemp 460732 Heater Replacement Parts Diagram

    Pentair MasterTemp 460732 Heater Replacement Parts Diagram

    Collection
  • Pentair MasterTemp 460734 Heater Replacement Parts Diagram

    Pentair MasterTemp 460734 Heater Replacement Parts Diagram

    Collection
  • Pentair MasterTemp 460736 Heater Replacement Parts Diagram

    Pentair MasterTemp 460736 Heater Replacement Parts Diagram

    Collection
  • Pentair MasterTemp 461059 Heater Replacement Parts Diagram

    Pentair MasterTemp 461059 Heater Replacement Parts Diagram

    Collection
  • Sta-Rite Max-E-Therm SR200NA Heater Replacement Parts Diagram

    Sta-Rite Max-E-Therm SR200NA Heater Replacement Parts Diagram

    Collection
  • Sta-Rite Max-E-Therm SR333NA Heater Replacement Parts Diagram

    Sta-Rite Max-E-Therm SR333NA Heater Replacement Parts Diagram

    Collection
  • Sta-Rite Max-E-Therm SR400NA Heater Replacement Parts Diagram

    Sta-Rite Max-E-Therm SR400NA Heater Replacement Parts Diagram

    Collection

The OEM Pentair Hi Limit Switch 42001-0063S is a safety switch used to detect when water temperature has exceeded a safe level (135°F) and immediately opens the heat exchanger out. When this fails, your system will typically show error code HLS. The Hi Limit Switch cannot be reset, it must be replaced. This OEM Pentair Hi Limit Switch 42001-0063SS is compatible with most Pentair MasterTemp and Sta-Rite Max-E-Therm Natural Gas Swimming Pool Heaters. 

Highlights

  • Critical Safety Feature: Activates by detecting unsafe water temperatures above 135°F, instantly preventing heat exchanger overload.
  • Error Code Indicator: Designed to display an HLS error code as a clear indicator of failure, necessitating a timely replacement.
  • Mandatory Replacement: As a non-resettable component, this OEM Hi Limit Switch is built to be replaced, not repaired, ensuring ongoing safety.
  • Broad Compatibility: Compatible with a wide range of Pentair heaters, including MasterTemp and Sta-Rite Max-E-Therm Natural Gas models.

Compatibility

  • Pentair Sta-Rite Max-E-Therm Heaters
  • Pentair MasterTemp Heaters
  • Pentair ETI 400 Heaters

Diagram