Lennox 57M66 Pressure Switch 322838-752 allowing you to bridge the
Baker’s notes & crumb story
Description
Lennox 57M66 Pressure Switch 322838 752 allowing you to bridge the allowing you to bridge the gap between a standard electrical box and the thermostat’s proprietary mounting holes for a secure fit Use in open loop systems containing dissolved oxygen can lead to premature corrosion and component failure