... , the water in the tank is gradually heatedHeat pipe solar collector technical specificatonManifold casing material: aluminumFrame material:aluminumHeader pipe ... roof/inclined roofMounting angle:15-50CInlet:3/4"E Solar collector(Heat pipe series)SC-H seriesModelSC-H-15 ... Pipe pure red copper TU1+water,transfer power>=150W,Working pressure,4Mpa,welding pressure 4MpaDust Ring GasketSilicon Rubber Vacuum ...