Lochinvar & A.O. Smith 100093870 Door Assembly 320819-301 extending the life of the

extending the life of the internal switching mechanism

This centrifugal blower assembly is built to withstand high heat environments while providing consistent RPMs required for modern HVAC combustion blowers

High Select Logic: Integrated high-pressure selector relay automatically prioritizes the higher signal to ensure minimum damper openings

Technical Precision: Rated at 230V and 3000 RPM with a 1/50 HP motor for reliable draft induction

ready-to-install immersion well for HVAC applications

Lochinvar & A.O. Smith 100093870 Door Assembly 320819-301 extending the life of theThe 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