Lochinvar & A.O. Smith 100111057 Switch 30067439-890 Resilient Design: Specifically manufactured to

Resilient Design: Specifically manufactured to maintain structural and electrical integrity in harsh outdoor environments

Its compact footprint facilitates easier HVAC gas valve installation in tight furnace cabinets

OEM Compatibility: Exact replacement for Rheem and Ruud gas-fired equipment to maintain system listing and certification

Can I use this switch for different setpoints

Using a 120V coil with low voltage can cause "chattering

Lochinvar & A.O. Smith 100111057 Switch 30067439-890 Resilient Design: Specifically manufactured toThe 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