The Williams P332490 Switch is a critical OEM replacement fan switch specifically engineered for Williams direct vent furnaces

The Trane CNT3670 is an essential OEM high limit switch designed for American Standard and Trane gas furnaces

and Payne gas-fired furnaces

Always verify your contactor and wire sizing against these technical specs

Can I install this on a standard AC unit

Danfoss 123B1579 Compressor 328140-751 The Williams P332490 Switch isThe Danfoss 123B1579 Compressor is a high performance 1 4 HP refrigeration compressor engineered specifically for HMBP (High Medium Back Pressure) applications. Operating on 115V at 60Hz, this hermetic unit is optimized for R134a refrigerant, making it a reliable choice for commercial reach ins, beverage coolers, and display cases. Featuring a robust motor design that handles variable load demands, it provides consistent cooling capacity and thermal