... working station, completely automatic cooperation.7. Whenever you need hot water regardless of time and weather.8. Equipped with magnesium bar ... 2. Pressurized water tank(80-1000L, 6 bar pressure, P/T safety valve, heating element, magnesium bar, heat exchange copper coils) ... pressure: 10 bar Circulation pump Brand: Wilo Suitable fluids: water/glycol mixture, max mixing ratio 1:1, mixing ratio required ...