Built with a rolled steel frame and an aluminum flange

this SPST pressure switch ensures the inducer fan is generating sufficient static pressure before allowing the ignition sequence to proceed

Industrial Durability: Engineered to withstand the high-temperature environment of the furnace vestibule

featuring a standard 1/2-inch shaft diameter and 60Hz operation to restore factory-spec efficiency

It is typically clipped onto the return bends of the evaporator coil or fixed to the suction line near the outlet to accurately monitor the coldest part of the circuit

Lochinvar & A.O. Smith 100109833 Valve 320734-701 Built with a rolled steelThe Lochinvar & A. O. Smith 100109833 Valve is a critical OEM replacement component designed for high performance commercial and residential water heaters and boilers. This 120V solenoid actuated valve features a 1 2" CC inlet and outlet configuration, ensuring a secure, leak proof connection in high demand hydronic and heating loops. Engineered for precision, it regulates fluid flow to maintain optimal system pressure and thermal efficiency within A.