3.12m2/2.96m2 Collector Area,Daylight Area Flat Roof Installation Solar Water Heater Solar water heater pressure:0.6Mpa Solar ... 3.12m2/2.96m2 Collector Area,Daylight Area Flat Roof Installation Solar Water Heater Specification of flat plate solar water heater ... winter days, the collector is suitable for every kind of installation( In-roof, On-roof and flat-roof) and is available ...