... ( 3/4inch,1inch size optional, price different)Rated pressure(Mpa)0.7Working pressure(Mpa)0.6Temp. Control(C)30-95CCopper coils size ... , stainless steel, optionalFree components:Electric heater, Magnesium rod, T/P valve, Pressure reducing valveREMARK: SUNWE SOLAR, the leading solar collector manufacturer in CHINA ...