Williams P332490 Switch 326070-701 the 1014003 drain vent provides

the 1014003 drain vent provides a standardized solution to restore factory-spec performance

Common Installation Questions What is the maximum pressure rating for this switch

this fitting eliminates the risk of tube kinking and ensures the proportional output signal is delivered accurately to valves and dampers without pressure drop

typically used with the E series

P72CA-4 is identical to P72CA-4C

Williams P332490 Switch 326070-701 the 1014003 drain vent providesThe Williams P332490 Switch is a critical OEM replacement fan switch specifically engineered for Williams direct vent furnaces. This automatic blower switch is designed to integrate seamlessly with the 2302 blower assembly, providing precise control over the heating cycle by managing the blower activation based on internal plenum temperatures. Constructed for professional grade durability, the P332490 functions as a reliable furnace limit control,