Williams P321942 Limit Switch 322027-701 we recommend retaining the original

we recommend retaining the original hardware or sourcing grade-appropriate fasteners for the final assembly

this unit is specifically designed as the current Schneider Electric direct replacement for aging MA-7203 and MA40-7073 models

Durable Construction: Built to withstand the high ambient temperatures common in the upper housing of gas-fired unit heaters

Always verify the orifice size and body configuration

Williams P321942 Limit Switch 322027-701 we recommend retaining the originalThe Williams P321942 Limit Switch is a critical OEM safety component engineered for Williams Forsaire Direct Vent Wall Furnaces and 6007 Series counterflow units. This temperature sensitive switch, classified as an L210 40F limit switch, monitors plenum air temperature to prevent heat exchanger damage and hazardous overheating conditions. As a technical HVAC replacement part, it is designed with a normally closed contact configuration that opens the