Copeland 940-0001-79 Potential Relay Els PW 17895 this switch prevents overheating by
Baker’s notes & crumb story
Description
Copeland 940 0001 79 Potential Relay Els PW 17895 this switch prevents overheating by this switch prevents overheating by interrupting the 24V circuit to the gas valve when plenum temperatures exceed safety thresholds this HVAC duct probe provides the stable resistance temperature (R T) characteristics necessary for reliable building automation inputs