... friendy; Energy saving, a secure, local and inexhaustible resource. Heat water and dry cellar, duple use way with one appliance ... tank. R134a refrigerant, high efficiency and green for environment. Heat water while dry cellar or other room, natural and easy ... pipe DN15Drainage pipe DN15PT valve joint DN20Max pressure 0.8MPaHeat exchanger Coil wraped exterior of inner tank Packing information Dimension( ...