Lochinvar & A.O. Smith 100109201 Burner 320074-702 and IG410 across Amana

and IG410 across Amana

Ensure the bronze seats are cleaned or replaced if the check valve assembly does not seal completely

this 1 1/2-inch NPT valve is optimized for low-pressure air-fuel gas vent applications involving natural gas or propane

allowing technicians to restore factory-standard performance without the need for improvised field modifications

This transition is vital for preventing the heat pump from entering inefficient defrost cycles during extreme cold and optimizing overall refrigeration cycle performance

Lochinvar & A.O. Smith 100109201 Burner 320074-702 and IG410 across AmanaThe Lochinvar & A. O. Smith 100109201 Burner Assembly is a factory authorized OEM replacement part designed for high efficiency natural gas water heaters and boilers. This critical combustion component features a precision engineered #33 orifice, specifically calibrated to maintain the correct BTU input and air to fuel ratio for FVIR (Flammable Vapor Ignition Resistant) compliant systems. As an updated version for the 9003380005, this assembly ensures