Air source heat pump water heater. Household type. HAS3.8W is split type without tank, water cycle heating. With tank TV150, fit for family with 1 to 3 members. SpecificationModel No.HAS3.8WHeating capacity3.8KWPower supply220V/50HZPower input850WRated current4.1AHot water supply82L/HRefregrant chargeR22 750ghightest water temp.65°CRated water temp.55°Cambient temp.-5-45°Ctap water pressure≤0.7MPanoise≤53dB(A)Weightness42kgModel No.of Tank: TV150 (Optional)Tank volume150LTank sizeφ48*135cm