The QuickTop Zone Valves® provide on-off, normally closed control in closed hydronic systems. The valves can be used in a wide variety of heating and cooling applications. Use with baseboard, fan coils, radiators, convectors, air handlers, heat pumps and radiant applications. Taco QuickTop Zone Valves® provide a convenient way to create individual zones or equipment isolation in closed loop hydronic systems. Utilizing one pump with multiple zone valves, flow can be started or stopped through the system providing individual room or area comfort, control and energy savings. QuickTop Zone Valves® are offered with 1/2”, 3/4” or 1” sweat connections, and comes with Taco’s trusted quality & reliability.