Ensures a high-integrity seal with the included precision Resideo O-ring to prevent system pressure drops

Ease of installation provided by field-wired screw terminals and a compact footprint for tight mechanical spaces

Extreme Durability: The die-cast aluminum construction provides superior corrosion resistance and structural integrity in demanding mechanical room environments

maintaining the correct temperature rise across the heat exchanger

At a total length of 8

Lochinvar & A.O. Smith 100111056 Prover Switch 322838-753 Ensures a high-integrity seal withThe Lochinvar & A. O. Smith 100111056 Blower Prover Switch is a critical safety component engineered for precise airflow monitoring in high efficiency commercial gas water heaters. As a direct replacement for the NS2 0544 00 air pressure switch, this assembly ensures the inducer fan effectively clears combustion gases before the ignition sequence initiates. This OEM replacement part is built with a rugged pneumatic diaphragm that converts pressure