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The enclosed coil design protects internal components from environmental debris
Tamper-Resistant Design: The screwdriver slot adjustment ensures that critical temperature settings remain protected
As a direct-fit HVAC part replacement
Always verify the temperature rating on the existing switch before installation
How do I verify the SPDT operation
Lochinvar & A.O. Smith 100093812 Door Assembly 319852-301 The enclosed coil design protectsThe 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
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