Lochinvar & A.O. Smith 100111362 Drafthood 318518-761 which prevents bypass and collapsing

which prevents bypass and collapsing under high-static pressure loads common in condensing boiler applications

verifying the integrity of the 100109804 Burner Assembly is a foundational diagnostic step

Integrating this pilot positioner spring allows technicians to compensate for stem friction and unbalanced forces within the valve body

Does this sequencer control the blower motor

and safety diagnostics

Lochinvar & A.O. Smith 100111362 Drafthood 318518-761 which prevents bypass and collapsingThe Lochinvar & A. O. Smith 100111362 Drafthood is a critical OEM replacement part engineered for atmospheric gas water heaters requiring a 3" to 4" combo configuration. Designed to maintain precise venting safety, this component facilitates the essential transition between the appliance flue outlet and the vent pipe, ensuring that combustion byproducts are safely exhausted while protecting the burner from erratic downdrafts. Built from heavy duty