... source and geothermal heat pump for water heater / heating & swimming pool, include Monobloc and Split style. ... safe installing, steady performance, lower voice, lower maintenance cost etc.1. Monobloc water heater heat pump, heating capacity 11000~18000BTU, COP ... your widely application, including constant temperature swimming pool, sauna, heating system , bathing spot, bathtub, public bath, hotel, ...