allowing for installation in any orientation on the liquid line

it serves as the central processing unit

As a Lochinvar fan motor replacement

Industrial Durability: Engineered to withstand the high pressures and temperatures typical in pneumatic temperature control applications

Williams P323080 Fan Switch 321702-401 allowing for installation in anyThe Williams P323080 Fan Switch is a critical OEM replacement part engineered for precise thermal control in Williams Monterey furnaces and direct vent gas heaters. This furnace fan limit switch functions as a normally open, temperature actuated control, ensuring the blower motor engages only when the heat exchanger reaches the appropriate operating temperature. This prevents the circulation of cold air during the heat up cycle and protects the system