*CE,ISO9001,ISO14001 *high efficiency *energy- saving *environmental protection *heat pump Air source heat pump water heater Application range: school, factory hotel, boothroom etc Specifications ... ) :270,420, 840noise: lowersize(mm):700x730x800,1530x800s1310weight(kg) 130, 180, 200, 350,refrigerant:R410Awater pipe connection:G3/4