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As a 24VDC relay module
this unit is specifically designed as the current Schneider Electric direct replacement for aging MA-7203 and MA40-7073 models
Built for durability in commercial fan coil systems
Durable Construction: Built to withstand the high ambient temperatures common in the upper housing of gas-fired unit heaters
Williams P321942 Limit Switch 322027-701 As a 24VDC relay moduleThe 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
