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Ships within 48 hours · Estimated delivery Oct 8 - Oct 13
This model features a manual twist drain at the bottom of the polyurethane bowl
eliminating the guesswork associated with universal boards
it will overheat and vent
it ensures a leak-free seal and maintains proper head pressure
Lochinvar & A.O. Smith 100111056 Prover Switch 318973-401 This model features a manualThe 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
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