1.R32 Refrigerant pipe connection for best system stability even in tough weather.
2.E-heater, diverter valve,water pump,and expansion tank can be included 3.A+++ Energy Rating Level,with CE,TUV test report.
4.Low noise sound power level as low as 52dB(A)
5.Work down to -30 degree C
6. WIFI solution available,Carel controller.
7.Function: Heating +Cooling+ Hot water