PENTAIR Thermistor for Max-E-Therm and MasterTemp Heater Electrical System | 42001-0053S

Pentair Thermistor for Max-E-Therm & MasterTemp Heater

Replacement thermistor for Pentair Max-E-Therm and MasterTemp heater electrical systems to help regulate temperature control.

Features

• Temperature sensor for Pentair Max-E-Therm and MasterTemp heaters
• Direct replacement for improved temperature regulation accuracy
• Designed to withstand pool heater thermal cycling and environments

Description

The Pentair Thermistor is engineered to replace worn or malfunctioning temperature sensors in compatible pool heaters. Monitoring water temperature and feeding critical data to the heater’s control board, a reliable thermistor helps ensure accurate temperature control and efficient operation. Ideal for service technicians and pool owners maintaining heater performance.

Pro Tip

Check the thermistor’s mounting location and electrical connection during installation to prevent intermittent readings or heater faults.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.