What model is this panel designed for

the SUPR is designed to replace almost any 3-terminal or 5-terminal potential relay regardless of the brand or orientation

Reversing "HERM" and "FAN" can lead to immediate motor failure

Optimized Compatibility: Specifically sized for 1-inch and 1

OEM Reliability: Built to the original A

Weil McLain 511-624-510 Switch Els PW 17895 What model is this panelThe 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