Smith 100109281 Burner Assembly is a high-performance OEM natural gas burner designed for Flammable Vapor (FV) ignition systems in residential and commercial water heaters

This specific model is certified for a 3

this comprehensive solenoid rebuild kit includes high-grade internal components such as the valve core assembly

making it a standard choice for modulating steam or water flow

Carrier HH18HA304 Limit Switch R-410A Smith 100109281 Burner Assembly isThe Carrier HH18HA304 Limit Switch is a critical safety component designed for precise thermal monitoring in residential gas furnaces and air handlers. Engineered as a L55F 22 furnace limit switch, this normally closed (NC) sensor features a 55 degree Fahrenheit fixed temperature trip point with a 22 degree differential for automatic reset. This OEM replacement ensures the furnace high limit switch maintains the heat exchanger within safe operating