The Taco Mixing Control PC705 regulates the supply water temperature to the system by simultaneously controlling a boiler and the speed of an injection pump. Based on outdoor air temperature the Taco PC705-2 control continuously adjusts the boiler differential to optimize the firing cycles. Also prevents large water temperature swings and increases the efficiency of the system. As the load increases the Mixing Control speeds up the injection circulator and as the load decreases it slows the circulator down.
External link | Downloadable Files
TACO web site
Product Spec Sheet
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