... .EEV&PHE use 5.Flexible,floor,radiators,coil,water All in one heat pumpOVERVIEWThe All in one is a heat pump with coils-lined hot water ... heater is 2 kW. The pressure vessel of the All in one is approved for max 9.0 bar (0.9 MPa). When the ... . Its COP is up to 6.2. The performance of ALL IN ONE system has been rated under tested air+solar conditions, and ...