solar water heater heat pump 1,long operating life. 2,Economical and high effciency. 3, Advanced control 4, Use safely. solar water heater heat pumpYieldhouse supply you perfect solar heat pump.1. Combine ... consumers.9. Quit Running volume 150L,200L,260L,300L,400L,500LModelYASL1-28HLYASL1-38HLYASL1-38HL Water Tank Volume L 150200260300200300400500100Heating Capacity W /BTU ...