Taco zone sentry zone valves provide on-off, normally open or normally closed control in both open and closed hot or chilled water systems. The valves can be used in a wide variety of heating and cooling applications, primarily designed for use with fan coils, radiators, convector, air handlers, heat pumps and radiant applications.
- Most technologically advanced zone valve ever made 
- Simple to install and easy to operate 
- Valve can be installed in any direction and any orientation 
- Snap-in quick connects on the back of the valve make for a simple, secure and fast wiring hook-up 
- Green LED light shows full functionality of the valve's operation and thermostat status 
- Under a no power situation the manual override button located on the top of the valve allows the ball to be rotated up to 90 degree and is also marked with a slot to indicate the position of the valve 
- 3/4-in