Lochinvar & A.O. Smith 100077874 Pilot Burner 320788-703 When you're dealing with a

When you're dealing with a no-spark condition on a Weil McLain QB 180 burner

Is this board compatible with two-stage systems

For contractors handling York HVAC part replacement

and agricultural machinery where an airtight seal is required to protect the raceways

verifying the HC52AE209 cross-reference with the existing data plate is critical to ensure 1:1 compatibility with the blower assembly and electrical harness

Lochinvar & A.O. Smith 100077874 Pilot Burner 320788-703 When you're dealing with aThe Lochinvar & A. O. Smith 100077874 Pilot Burner is a critical OEM replacement component designed for precision ignition and flame sensing in natural gas commercial water heaters and boilers. This genuine Lochinvar pilot assembly features a robust bracket design and precise orifice sizing to ensure a stable pilot flame, preventing nuisance lockouts and soft lockout error codes often associated with worn or soot clogged burners. Engineered for