With DOEL 20000 BTU Swimming Pool Heat Pump, Your Swimming Season Will Last Even Longer! Heating & cooling with reverse circle defrost. R410A refrigerant Performance at Air 78.8°F, Water Heated to 78.8°F, Relative Humidity 80% Heating Capacity：5.56 kW(19000 BTU) Power consumption：1.09 kW(3720 BTU) C.O.P.：5 W/W Performance at Air 59°F, Water Heated to 78.8°F, Relative Humidity 70% Heating capacity：3.67 kW(12525 BTU) Power consumption：0.9 kW(3071 BTU) C.O.P.：4.1 W/W Specifications Voltage: 110v 60Hz Rated Heating inpurt power: 1.12kw Max Current: 13 A Heating Performance: 20000 BTU Advised Water Flow: 527gallon/h Protection Grade: IPX4 Noise: 49dB Water Hose Connection: 1.5inch/50 mm Swimming Pool Heat Pump: This electric pool heater is suitable for small above-ground pools up to 6600 gallons and in-ground pools up to 4,226 gallons. (Please read item description for more details as reference). It’s your perfect heat pump solution for above ground and inground swimming pools with 2 inch/50mm water hose connection. Efficiency and Easy to Installation: Allowing fast and easy hookup without professional installation. With innovative flat-tube titanium heat exchanger, the heat exchanging efficiency is 30% higher than spiral tubes. Unique Design: Efficient rotary compressor and low-noise fan guarantee extremely quiet operation. Galvanized steel body panels with cute and graceful design are impervious to rust and deterioration. The setting water temperature is available on digital LED display. Premium Security: Available with child lock. Advanced protection system with auto electrical-leakage and low-voltage switch, high and low-temperature, and compressor discharge over-high protection. Working Requirements: 110volts, 60 HZ for USA electricity. Built in 11.5 foot long power cable with standard USA plug, if there is any cofused about the plug, please contact us in time. We will always here to help you..