Lochinvar & A.O. Smith 100233643 Gasket 319852-301 This factory authorized part is

This factory authorized part is engineered to safeguard the compressor and refrigeration cycle by monitoring internal pressures and opening the electrical circuit when limits are reached

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

This secondary limit switch is engineered to interrupt the 24V control circuit if vent temperatures hit the 230 degree Fahrenheit threshold

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

ensuring consistent normally closed operation

Lochinvar & A.O. Smith 100233643 Gasket 319852-301 This factory authorized part isThe 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