Replacement Heater Thermistor Sensor for Spa & Pool - 12-Month Warranty

Replacement Pentair Heater Thermistor Sensor for Spa & Pool 12- & Support

Professional-Level Replacement Temperature Sensor for Raypak Spa & Pool Heaters

Pentair 42001-0053S Replacement Thermistor Sensor for Pool and Spa Heater 12...

New 42002-0024S Stack Flue Sensor for Pentair Pool Spa Heater Elecrical System

Flue Sensor, High Limit Switch & Thermistor Replacement for Pentair Heaters

2 x 42002-0024S Stack Flue Sensor for Pentair Pool Spa Heater Elecrical System

Stack Flue Sensor for Pentair Pool Spa Heater Elecrical System Fit SR333