Air source heat pump with a temperature and pressure relief valve (7.0 Bar) factory fitted. Maximum working pressure 5.5 bar. Maximum operating temperature 70°C.
Range of domestic stainless steel or coated carbon steel indirect unvented hot water storage cylinders and buffer tanks, incorporating a stainless-steel coil for connection to a heat pump circuit. The secondary circuit is factory fitted with a temperature and pressure relief valve (7.0 Bar @90°C) and an immersion heater. Maximum working pressures: Water storage tanks (ECO-ZR200S and EG-200CAIO): 5.5 bar. Buffer tank (ECO-ZR60 and ECO-ZR60S): 7.0 bar. Maximum operating temperature 70°C. The ECO-ZR60 and ECO-ZR60S models are to be used in a primary circuit only.

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