Lochinvar & A.O. Smith 100093870 Door Assembly Refrigerant Always verify the model number

Always verify the model number on your equipment's rating plate to ensure a precise match

meaning neither side is internally connected to the mounting bracket

Multi-Function Utility: Capable of functioning as both a 2-way or 3-way air valve depending on installation requirements

Technicians should check for dirty air filters

Lochinvar & A.O. Smith 100093870 Door Assembly Refrigerant Always verify the model numberThe Lochinvar & A. O. Smith 100093870 Door Assembly is a critical replacement manifold door assembly designed for residential gas water heaters featuring the flammable vapor ignition resistant (FVIR) system. This genuine OEM component maintains the combustion chamber seal, ensuring the pilot assembly and burner tube interface correctly with the burner chamber to prevent backdrafting and inefficient combustion. Built for high heat resilience, the