42001-0053S Thermistor: Compatible with Pentair pool and spa heaters
works with Pentair Sta-Rite Max-E-Therm & MasterTemp pool and spa heaters electrical system.
42001-0063S Electrical System High Limit Switch: Replaces Part No. 42001-0063S & STA-151-6255
42002-0024S Stack Flue Sensor:  works with the following models:
Pentair Sta-Rite Max-E-Therm pool and spa heater electrical systems model: SR200, SR333, SR400.
The part possibly fixes the following problems:
If the temperature on your control panel displays incorrect temperature, your thermistor may need to be replaced. Thermistor often displays a temperature that is much too high when it reaches the end of its lifespan. You may replace it to fix this issue easily.
Please Note:
Make sure the power is shut off before replacement. Wear work gloves to protect your hands.
The part is compatible spare part (not original), the brand names mentioned and any related models designation above are only for purposes of demonstrating compatibility.