... water 1. U type series 2. module design, arbitrary combination 3. Can use in -25DC ambien Split solar water heater for house ... got the hot water or heat.Composing PartsMainly includes: solar collector, storage tank, solar working station, ecpansion vessel, T/P valve, Pipeline ... be put on the inclined roof or flat place. 2. The collector is module design, arbitrary combination, can be put on ...