White Rodgers Emerson SPDT Changeover Switch 752-1

Description

White Rodgers Emerson SPDT Changeover Switch 752-1.
SPDT 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
SPECIFICATIONS
Connectors ............................. 12" red, brown and black leads, 105°C insulated, No. 18 wire Temperature Settings.....................................Red-Black: Open on Rise @ 85°F, Close @ 70°F ..................................................................... Red-Brown: Close on Rise @ 85°F, Open @ 70°F Operating Temperature...............................................................................221°F maximum