Air/water heating/cooling pump is part of the AQUA product line, which indicates the swimming pool and SPA heat pump. Swimming pool heat pump can be used for heating or cooling swimming pool, sPHFD-02640-R410Aioning, ground source heating and so on.) PRODUCT FEATURES: High Efficiency Adopt heat pump for heating and the energy comes from ambient air. So its COP can reach 5.5 Safety Water and electricity are completely separate.ECO friendly gas, no fire, no electricity leakage, safer than fuel burner or electrical heater. Environmentally Friendly Adopt R407C, R410-A, R22 as refrigerant, according to the requirments of EU Montreal Protocol. Corrosion Prevention The condenser uses titanium metal, its corrosion resistance is 4-5 times of ordinary copper tube, the corrosion ability of the unit is significantly improved, while the effective way to prevent fluoride leakage. So the medium of heat exchange can also contain seawater, mild industrial water, etc. Online after sales service If there is after sales problem comes to you, an alarm icon will occur on the main interface to remind you. You can press it for information, then solve the problem yourself according to the specification step by step. If you couldn’t, you can authorize us through the AQUA Network platform for help. After receiving the authorization, our professional engineers will serve you timely. Intelligent Defrosting By means of both mechanical and automatic control, defrosting can be operated in a shorter time to avoid severe attenuation of heating capatity in winter and not run when not necessary.