Optimum Pool Technologies Heater Repair Kit for Pentair® MasterTemp® & Max-E-Therm® - Replacement Thermistors & Sizewitches

Kit Includes: Stack Flue Sensor, Thermistor, Pressure Switch, Hi Limit Switch 135°F & Gas Shutoff Switch 140°F. Replacements for Part Numbers: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S. All parts compatible with Pentair® Master Temp® & Max E Therm® Pool Heaters Manufactured by Optimum Pool Technologies