Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 corroded hardware

corroded hardware

This comprehensive backflow preventer repair kit includes the necessary components to service both the first and second check valves

Its high acid capacity is essential for preventing motor burnout in commercial and residential systems

automatically breaking the electrical circuit to heating elements if internal temperatures exceed the factory-set threshold

as using 120V components on 240V lines will result in immediate failure

Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 corroded hardwareThe Lochinvar & A. O. Smith 100166256 Pressure Switch is a critical safety and operational component designed for high performance hydronic systems and commercial water heaters. This SPDT Pressure Switch (Single Pole Double Throw) functions as a direct OEM replacement part for the now obsolete PRS3406, PRS2406, and 100166157 models. Engineered with a precision 1 4" barb connection, it monitors system pressure within a 1 5 PSI range, ensuring the