Contractors should use a standard 1-1/2 inch element socket to ensure proper torque on the hex head without stripping the threads or damaging the tin coating

as part of the Carrier family

Its robust construction is engineered to withstand the rigorous cycling of modern condensing furnaces

This mechanical thermostat features a versatile 150°F to 550°F temperature range

Lochinvar & A.O. Smith 100093812 Door Assembly 318820-201 Contractors should use a standardThe Lochinvar & A. O. Smith 100093812 Door Assembly is a direct OEM replacement engineered for high recovery natural gas water heaters, specifically the FG50T40 and compatible commercial water heater models. This manifold door assembly serves as a critical pressure sealed interface, housing the pilot assembly and facilitating precise gas burner ignition. Designed for professional grade reliability, the assembly integrates a thermal switch (door