Lochinvar & A.O. Smith 100208386 Pressure Switch Kit 319847-401 including the Cyclone BTH-120 through

including the Cyclone BTH-120 through BTH-250 series

The ball-bearing design and Drip Proof Air Over (DPAO) enclosure are designed for continuous duty (S1)

This 24V 1/2" Gas Valve is an OEM-spec assembly

the Sporlan 401619 C-419-S-T-HH is the industry standard for suction line protection

Smith Cyclone commercial water heaters

Lochinvar & A.O. Smith 100208386 Pressure Switch Kit 319847-401 including the Cyclone BTH-120 throughThe Lochinvar & A. O. Smith 100208386 Pressure Switch Kit is a critical safety component designed for precise combustion monitoring in high efficiency water heaters and boiler systems. This 2. 25 inch WC pressure switch serves as a blower prover, ensuring the inducer fan generates sufficient vacuum to safely vent combustion gases before allowing the ignition sequence to proceed. Engineered for A. O. Smith, Lochinvar, and State equipment, this genuine