Lochinvar & A.O. Smith 100093809 Door Assembly 319825-402 75" outside diameter and a

75" outside diameter and a 1" fixed bore

Protection and Efficiency: Integrated thermal overload protection prevents burnout during high-demand cycles

This assembly is specifically cross-referenced for use in Lennox G32 series furnaces and related Allied Air equipment

Precise Control: Features an adjustable sensitivity screw to fine-tune the flow setpoint for pump protection and system monitoring

Lochinvar & A.O. Smith 100093809 Door Assembly 319825-402 75" outside diameter and aThe Lochinvar & A. O. Smith 100093809 Door Assembly is a critical combustion chamber component engineered for natural gas water heater models, specifically designed for 40S40 and 50T50 series units. As a veteran grade manifold door assembly, this part provides the essential seal required to maintain proper atmospheric pressure and thermal containment within the burner chamber. It features an integrated door switch that serves as a vital safety