mineral deposits from hard water can block the small orifice or tear the mesh strainer

F) specified by the manufacturer

Viton is significantly easier to seal than rigid Teflon

including CPT01166 and 27L685

The switch is a normally closed (NC) component

Lochinvar & A.O. Smith 100208485 Relay Els PW 17895 mineral deposits from hard waterThe Lochinvar & A. O. Smith 100208485 Relay is a critical electromechanical switching component designed for high performance hydronic systems. In the field, this relay is recognized as the direct manufacturer replacement for obsolete or legacy part numbers RLY2042 and RLY2042K. Engineers and technicians rely on this DPDT relay (Double Pole Double Throw) to manage high amperage switching of blower motors, pump circulators, and internal control