Swimming pool heat pump MANUFACTURER 1. Titanium heat exchanger 2. CE certificate 3. R417A refrigerant 4. High COP Swimming pool heat pump water ... .:27°C/55°CFeatures: 1) Durable: titanium metal water heat exchanger, resists the erosion from chlorine in the water, name brand ... valve and etc.2) Economical and high-efficiency: Absorb free heat from the air, compared oil boilers, gas boilers, electronic ...