Lochinvar & A.O. Smith 100233643 Gasket 319852-301 Direct Compatibility: Designed for seamless

Direct Compatibility: Designed for seamless field installation with Setra SRPM and MRMS monitoring systems

Rotation is easily reversed by swapping the two leads in the integrated connector

the 100109906 is the official updated version specifically designed to replace the 9004519205 in all compatible heating units

Common Questions How do I verify if the Berko 4520-2048-000 is the correct limit switch for my heater

ensuring consistent normally closed operation

Lochinvar & A.O. Smith 100233643 Gasket 319852-301 Direct Compatibility: Designed for seamlessThe Lochinvar & A. O. Smith 100233643 Gasket is a critical OEM replacement part engineered for high output condensing boilers and water heaters. Specifically designed for the Crest FB2500 and FBN2500 models (prior to serial number D14), this burner assembly gasket ensures a high integrity seal between the burner and the heat exchanger. For technicians performing boiler maintenance or a complete burner assembly overhaul, replacing this component is