Designed for seamless mechanical integration

making it efficient for multi-relay energy management configurations

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

Optimized Performance: Enhances the SEER rating of legacy 3-ton equipment by providing more accurate metering than fixed orifices

22 standards for reliable discharge performance

Lochinvar & A.O. Smith 100093812 Door Assembly 318820-201 Designed for seamless mechanical integrationThe 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