Standard Maxitrol control head kits typically include the necessary regulating diaphragm gasket and the head assembly

Automatic Reset Functionality: Features an auto-reset thermal disc that restores the circuit once temperatures return to a safe differential

If a mixing valve begins to deliver inconsistent output temperatures or fails to shut down on cold water failure

and Payne models including the 340AAV

It accommodates 18-24 AWG wiring

Trane SEN1951 Flame Sensor 340793-762 Standard Maxitrol control head kitsThe Trane SEN1951 Flame Sensor (also identified as SEN01951) is a critical OEM replacement part engineered to maintain precise flame rectification within residential and commercial furnace burners. This furnace flame sensor operates by detecting the presence of a microamp signal generated during combustion. If the HVAC control board fails to receive this signal, it immediately terminates the gas valve cycle to prevent hazardous gas accumulation.