White Rodgers, Automatic Change Over, Remote Temperature Control, Surface Mount

White Rodgers 752-1 Automatic Change Over Switch. This control provides automatic change-over of thermostat to operate zone valve on combination hot and chilled water systems. Features Epoxy resin seal protects bimetallic disc and Snap-Action contacts from dust, dirt and corrosion Furnished with removable spring clip to attach control to tubing SPDT switch connects heating side of thermostat to two-wire zone valve when hot water is circulated through tubing SPDT switch connects cooling side of thermostat to two-wire zone valve when chilled water is circulated through tubing Curved sensing element provides maximum contact with tubing Electrical Connections : 12"; red, brown…