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Key Benefits Protects mechanical integrity by preventing unwanted vacuum conditions in heat exchangers and storage tanks
reducing intermittent failures
ensuring a leak-proof seal during unit installation
allowing for motor replacement without draining the system or breaking pipe connections
Lochinvar & A.O. Smith 100187859 Switch 326058-757 Key Benefits Protects mechanical integrityThe Lochinvar & A. O. Smith 100187859 Switch is a critical 2. 0" blocked outlet switch designed for high efficiency gas fired commercial water heaters and boilers. As a genuine OEM replacement part, this pressure switch is calibrated to detect vent obstructions, ensuring the system shuts down safely if exhaust gases cannot be properly expelled. It is commonly utilized in A. O. Smith Cyclone BTH 300A series and comparable Lochinvar Power Fin models.
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