Weil McLain 511-624-510 Switch Els PW 17895 Always cross-reference your compressor serial

Always cross-reference your compressor serial number with the manufacturer parts list to confirm this is the correct sealing set for your specific machine

simplifying hardwired connections into standard 1/2" NPT conduit

Common Questions Is the 48GS400168 compatible with older Bryant models

reducing the risk of short cycling and heat exchanger stress

Weil McLain 511-624-510 Switch Els PW 17895 Always cross-reference your compressor serialThe Weil McLain 511 624 510 is a high precision pressure differential switch engineered specifically for residential and light commercial hydronic heating systems. Designed for use with Weil McLain HE and HE II boilers (Sizes 3, 4, and 5), this SPDT pressure switch is a critical safety component that monitors inductor fan operation by sensing air pressure differentials. This specific model features a factory calibrated 1. 00" W. C. setting and is