Lochinvar & A.O. Smith 100093801 Door Assembly 30067439-890 Reliable Connectivity: Ensures low-resistance electrical

Reliable Connectivity: Ensures low-resistance electrical paths for sensitive flame sensing and ignition signals

supporting the safe through-put of fuel to high-capacity burners

Designed for high-reliability systems

Field Serviceable: Designed for easy maintenance and calibration by veteran HVACR contractors

When a blockage occurs in the vent pipe

Lochinvar & A.O. Smith 100093801 Door Assembly 30067439-890 Reliable Connectivity: Ensures low-resistance electricalAs a seasoned technician, you know that maintaining the combustion chamber's integrity is non negotiable for system safety and peak thermal output. The Lochinvar & A. O. Smith 100093801 Door Assembly is a critical OEM component designed to seal the burner access point on specific natural gas water heater and commercial boiler models. This manifold door assembly serves as the primary mounting interface for the burner tube, pilot line, and igniter,