Williams P200400 Selector Switch This SPST (Single Pole Single

This SPST (Single Pole Single Throw) fixed-temperature switch features an auto-reset mechanism

maintaining circuit integrity under continuous operation

and the specific capacity code is stamped directly on the component and the included I

it maintains performance standards across a broad ambient temperature range from -20 to 150°F

This 1/8" x 2" x 30' insulation roll provides an immediate thermal barrier to stop cold pipe sweating and eliminate condensate dripping

Williams P200400 Selector Switch This SPST (Single Pole SingleThe Williams P200400 F145 30F Selector Switch is a critical temperature actuated control engineered specifically for Williams Forsaire Direct Vent Wall Furnaces and high performance HVAC systems. This OEM Williams P200400 component functions as a dual point thermal safety and operational interface, maintaining precise system thresholds at 145F and 30F. Built with a robust toggle mechanism, it serves as a protective switch to safeguard heat exchangers