WaterFurnace introduces the 5 Series 502W12 high-temperature hydronic heat pump. Capable of 150° F water output, the 5 Series makes upgrading to a WaterFurnace geothermal system easy, particularly when the replacement system must work with existing cast-iron or baseboard radiators. In a building with a radiant floor heating system, the unit’s higher water temperature means the 502W12 can be installed between joists under the floor, removing the need to alter existing flooring. Compressor blankets, double-isolation mounting plates and a discharge muffler ensure a quiet system. Two brazed-plate heat exchangers provide increased efficiency, performance and reliability.