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Heat Pump Controllers
Wilo ST 15/6 ECO or 15/7 ECO, Wilo Stratos TEC ST 15/1-6 (HE pump) Safety valve: 6 bar Pressure gauge: 0 ... 10 bar Flowmeter: 1 ... 13 l/min Non-return valves: Opening pressure 20 mbar, openable Connection to diaphragm-type expansion vessel: ¾'' ET, fl at sealing Outlet safety valve: ¾'' IT Connections to the solar pipes: ¾'' IT Maximum temperature: 95 °C Maximum pressure: 6 bar Medium: Water with max. 50 % glycol
