Enhances overall performance of any zone valve system. Industry leading energy efficiency and shut-off pressure rating. Patented microcircuit based logic, gear driven electronic actuator and ball valve based body design. Provides on/ off, normally open or normally closed control in closed hydronic systems. Primarily designed for use with baseboard, fan coil, radiator, convector, air handler, heat pump and radiant applications. Use in a wide variety of heating and condensing cooling applications. 12 Zone Sentry Zone Valves can be used on a standard 40VA transformer. Diagnostic LED. Two position
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