1.Air source heat pump, r407c heater. 2.Application:hotel, villas, hair Salons,swimming pools,etc. 3.Outlet water temp. 50~70C R407c Heater Brief introduction: Air source heat pump r407c heater is one of the most advanced water heating equipments. It is driven by electricity, absorbs heat from the air, and transfers the heat into the water. It can still work when the air temperature is -5oC, and ...