... solar water heater system11.Ideal for commercial solar water heating applications.Heat pipe solar collector work principle 1.The operation of ... Alloy,Thickness,1.8mm,Insulating layer,compressed rock woolHeat Pipe pure red copper TU1+water,transfer power>=150W,Working ... .5Container Loading Quantity(set)20102787763574022116916613613040HQ278213209172171Price(USD) Solar collector project floor heating