OEM Precision: Direct factory fitment ensures mounting standoffs and wiring harnesses align perfectly with existing G50 and G1 cabinets

Professional inspection of the heat exchanger and combustion air pressure is recommended before resetting or replacing this component

This model utilizes 3/8" sweat (ODF) inlet and outlet connections

and warping often caused by constant moisture exposure

the P021504 motor ensures a direct mechanical fit

Lochinvar & A.O. Smith 100233617 Gasket 321702-401 OEM Precision: Direct factory fitmentFor veteran technicians servicing high capacity Lochinvar Knight boilers or A. O. Smith water heaters, the 100233617 Gasket is a critical component for maintaining combustion integrity. Engineered as a large gas air arm cover gasket, this seal is primarily utilized in the gas air arm assembly to prevent dangerous fuel air mixture leaks. This specific part is a direct OEM replacement for legacy part numbers GKT20019, GKT20019K, and 100146349. Measuring