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the Johnson Controls V47AB-2 is compatible with both water and glycol solutions in non-potable closed or open loop systems
it will overheat and vent
eliminating the guesswork associated with universal boards
this outlet cell panel maintains the structural integrity of the secondary heat exchanger
Lochinvar & A.O. Smith 100111056 Prover Switch 318973-401 the Johnson Controls V47AB-2 isThe 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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