the SP12237 ensures structural integrity under high-temperature cycling

minimizing vibration and extending the service life of connected drive components

This model serves as the direct replacement for the FSAF24-SR

and inert gases at fluid temperatures up to 180°F

the standard 56 frame mounting simplifies installation in furnaces and air-moving equipment

Lochinvar & A.O. Smith 100277802 Gasket 318820-201 the SP12237 ensures structural integrityThe Lochinvar & A. O. Smith 100277802 Gasket is a critical gas air manifold seal engineered specifically for high efficiency commercial boilers and water heaters. As a direct OEM replacement part, this gasket ensures a combustion tight seal between the blower assembly and the burner manifold, preventing hazardous gas leaks and maintaining precise fuel to air ratios. Given the thermal stresses in modulating condensing systems, this high temperature