R32 Swimming pool Residential series Heat Pump R32 refrigerant High efficient, reliable, durable Rust free casing Titanium tub-shell Heat Exchanger Smart Wifi Control Modbus protocol built inside Wide ambient range: -10°C~ to 43°C We got the Certificates: TUV ISO9001, ISO45001(Health&Safety), ISO14001 (Environment), TUV EN14825( A+++), TUV CE , TUV CB, 38 patents of product technique, […]