1.Air source heat pump, water heater. 2.Application:hotel, villas, hair Salons,swimming pools,etc. 3.Outlet water temp. ... 50~70C Direct Heating Air Source Swimming Pool Heater Brief introduction: Air source heat pump water heater is one ... etc; hot water source for swimming pool, factory , farm, etc.6. Heating capacity: 18kw,35kw,70kw. Direct Heating Air Source Swimming Pool Heater