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

000 ohms at 32

and inert gases at fluid temperatures up to 180°F

this Weil-McLain OEM flame sensor provides the necessary microamp signal to the White Rodgers ignition control

Labor Savings: The self-calibrating trip point allows for "install and go" functionality

Lochinvar & A.O. Smith 100277802 Gasket 318820-201 This model serves as theThe 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