If the board is functional

ensuring full technical alignment with original equipment specifications

ensure the 24VAC connection is stable before diagnosing a mechanical valve failure

With a resistive rating of 25A at 277V

When you're out on a call and find a seized fan

Lochinvar & A.O. Smith 100265707 Burner Assembly 320788-704 If the board is functionalWhen you're dealing with a natural gas water heater that isn't maintaining consistent flame or efficient heat transfer, the Lochinvar & A. O. Smith 100265707 Burner Assembly is the exact OEM solution required for field restoration. This FBA N3 G40S40 NAT AL EXT assembly kit is specifically engineered for 18 inch diameter tanks, providing a precise fit for G40S40 models across the Lochinvar, A. O. Smith, State, and American Water Heater catalogs. As an