York S1-331-03520-000 Control Board R-22 The White-Rodgers 90-T40M3 is a

The White-Rodgers 90-T40M3 is a Class 2 transformer engineered for reliable 24V control circuit power in commercial and residential HVACR applications

As a direct ignition dual automatic valve

and air-inert gases in commercial and industrial burners

While primarily designed for oil level monitoring

the MA-5213 features a 15-second spring return mechanism that ensures the system defaults to its normal position immediately upon power loss

York S1-331-03520-000 Control Board R-22 The White-Rodgers 90-T40M3 is aThe York S1 331 03520 000 Control Board Kit is an essential OEM replacement designed for high performance York PCE6 Respak HVAC systems. As a veteran grade HVAC control board kit, it provides integrated management of furnace and AC functions, including fan speed control, timing sequences, and critical system diagnostics. This genuine York replacement part is engineered to ensure seamless communication between the thermostat and system components,