Weil McLain 511-624-450 Switch Els PW 17895 Engineered for non-reversing motor control

Engineered for non-reversing motor control and resistive heating applications

which is ideal for optimizing efficiency in various occupancy patterns

Field installation requires verifying the bracket’s orientation to ensure the venter wheel and isolator bushings remain properly centered within the venter housing out-let

What is the proper wiring for this 2-wire switch

and solid contaminants that can lead to premature compressor failure

Weil McLain 511-624-450 Switch Els PW 17895 Engineered for non-reversing motor controlThe Weil McLain 511 624 450 is a high precision differential pressure switch engineered specifically for CGi model boilers (sizes 25, 3, and 4) and certain HE II boiler applications. This OEM replacement part is factory calibrated to a 1. 18" WC nominal set point, ensuring critical safety monitoring of the exhaust vent and combustion air system. With an operational differential range of 0. 5 to 2. 0" WC, it effectively prevents the boiler burner from