Lochinvar & A.O. Smith 100111056 Prover Switch 319848-301 providing the reliable ignition and

providing the reliable ignition and shut-off transitions that veteran technicians expect from genuine Carrier furnace parts

providing flexibility for panel retrofits and new builds

and CNT3716

and industrial process controls

Durable 56 Frame: Heavy-duty construction dissipates heat effectively

Lochinvar & A.O. Smith 100111056 Prover Switch 319848-301 providing the reliable ignition andThe 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