Description
SPDT control provides automatic change-over of thermostat to operate zone valve on combination hot and chilled water systems.
- 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