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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
and safety diagnostics
Does this sequencer control the blower motor
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
This model is the direct replacement for 37-201-01
Lochinvar & A.O. Smith 100111362 Drafthood 318518-761 and safety diagnosticsThe 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