Model BS16-033S-f BS16-038S-f BS16-045S-f BS16-051S-f Heating capacity KW 13.9 16.07 19.1 25.2 BTU 47400 54800 65150 86000 COP w/w 5.4 5.5 5.6 5.5 Operating range-Air ℃ -7~43 Water flow volume m³/h 5-6 6-7 7-8 9-10 Rate input Power W 2570 2920 3400 4580 Running current heating A 11.7 14.1 15.8 21.5 Max current heating A 16 19 21.5 29 Heat exchanger Titanium in PVC Compressor Rotary Scroll Fan direction Horizontal Quantity of compressor 1 1 1 1 Noise level dB(A) 50 50 60 60 Water connections mm 50/48.3 Gross weight kg 82 89 119 124 Net dimensions（L*W*H） mm 1010*430*710 1010*430*710 1110*520*810 1110*520*810 Power supply V/Ph/Hz 208-230/1/60 FAQ 1.Do you think swimming pool heat pump only used for swimming pool? No，it can also be used for Hot Spring，Fishing Farm，Jacuzzi Spa and so on. 2.Can your pool heat pump be connected to PV system? The heat pump is powered by PV system. As long as the PV system can meet the maximum power consumption of heat pump, it is feasible. 3. What’s your after- sales policy? In 2 years period, we can offer free spare parts to replace damaged parts. Out of 2 years period, we also can offer parts with cost prices. 4.How much the air to water heat pump power consumption? Mainly influenced by outdoor temperature. When the outdoor temperature is lower,the heating time is longer,the power consumption is more,and vice versa.