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Engineered with silver-plated contacts
it is calibrated specifically for systems requiring a close-on-fall action at a setpoint of -0
eliminating the alignment issues often encountered with generic silver-plated alternatives
Fail-Safe Operation: Mechanical spring return ensures the valve returns to the stem-up position during a loss of pilot air
Lochinvar & A.O. Smith 100111057 Switch 326058-757 Engineered with silver-plated contactsThe Lochinvar & A. O. Smith 100111057 Blocked Inlet Switch is a critical safety component designed for high efficiency commercial water heaters and boilers, including the Cyclone Xi BTH and Shield series. This normally closed (NC) pressure switch monitors the combustion air intake, ensuring the blower assembly receives adequate airflow for safe operation. Engineered with a dedicated 0. 85" W. C. trip point, it immediately breaks the safety circuit if