Lochinvar & A.O. Smith 100077874 Pilot Burner 320788-703 For contractors handling York HVAC

For contractors handling York HVAC part replacement

to address common failure points such as relief valve spitting or consistent weeping

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

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

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

Lochinvar & A.O. Smith 100077874 Pilot Burner 320788-703 For contractors handling York HVACThe 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