Complimentary Products: Control Board: American Engineering Heavy Duty Hardware, Compatible With: Mastertemp and Starite Heaters. Air Flow Switch: Designed to work with Pentair Mastertemp 400 parts, 300, 200, and Pentair Mastertemp 125 low nox pool heater parts. It will also work with all Sta-Rite Heaters. Membrane Pad: Manufactured with a 100% gold dome to ensure the buttons can be pressed up to 1 million times. The original membrane pad is made with aluminum domes which lacks in quality. Complimentary Products: High Limit Switch: Designed to turn the heater off if the water temperature reaches 135 F. Thermal Regulator Kit: Designed to trip at 120 F. Kit Includes: 1x Thermal Regulator, 1x Locking Clip, 1x Heavy-Duty Plug with Oring Thermal Regulator: Designed to trip at 120 F. Kit Includes: 1x Thermal Regulator, 1x Locking Clip Complimentary Products: Manifold Oring Kit: The purpose of this oring set is to ensure that the water traveling through the heater manifold does not leak through the points at which the manifold meets. Thermal Regulator Kit: Designed to trip at 120 F. Kit Includes: 1x Thermal Regulator, 1x Locking Clip, 1x Heavy-Duty Plug with Oring Bypass Valve: Designed to work with 460730, 460732, 460734, 460736, 460805, 460806, SR200NA. SR333NA, SR400NA. SR400HD. This bypass valve will work on all models of the Mastertemp and Max E Therm Complimentary Products: Thermistor: The purpose of this sensor is to measure the temperature of the water within the manifold. This is to ensure system safety. The water temperature should not exceed 104 degrees Fahrenheit. Stack Flue Sensor: The purpose of this sensor is to measure the temperature of the water within the stack. When measuring the sensor with a multimeter, the sensor should read 3.5 ohms or higher. Igniter: Heavy Duty Over sleeve & Recrysyallized Silicone Carbide, Perfect Fit Every Time. MEGA BUNDLE: Most Complete Mastertemp Kit on the Market!! Solve 90% of Mastertemp and Max-E-Therm Problems with this Kit. The perfect Pentair Mastertemp parts list is designed to fix most problems within the Pentair Pool Heater. This Pentair Mastertemp 400 parts bundle is designed for the pool professional or the homeowner. Compatibility: This pressure switch is compatible with all BTU's of the Pentair Mastertemp heater parts and Mastertemp 400 parts. It will also work with HD Versions of the heater as well. Affordable: Unlike the OEM, this parts list is the most affordable Master Temp 400 and Sta Rite Repair Kit on the market. Compatible with all Pentair Pool Heater parts. Kit Includes Thermistor, Stack Flue Sensor, High Limit Switch, AGS, Igniter, Thermal Regulator Kit, Control Board, Membrane Pad, Manifold Oring Set, Bypass Valve, and Air Flow Switch. About Us Made by Professionals, For Professionals We Take Pride In Manufacturing Quality Products For Swimming Pools And Spas. We are a leading manufacturer of swimming pool products within the industry. Our experience spans over two decades and our products deliver quality, reliability, and affordability. Putting our products through rigorous testing is our key to ensuring total satisfaction for the customer.