Zone Sentry zone valv suited to retrofit and new construction work uses microcircuit-based logic to control a gear-driven electronic actuator that drives a ball valve-based body design. Available with a normally open or normally closed actuator and can be installed in any direction and orientation. Snap-in quick connects on the back of the valve make for a simple, secure wiring hook-up. A green LED shows full functionality of valve operation. Designed primarily for baseboard, fan coil, radiator, convector, heat pump and radiant applications. Available in 1/2", 3/4", 1" sweat or NPT and inverted flare (less fittings) and inverted flare (with 3/4", sweat fittings). Draws only 1.44 watts.