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WaterFurnace’s 5 Series 504W11 hydronic geothermal heat pump features patent-pending OptiHeat vapor injection technology that creates exiting water temperatures up to 150° F.
Features include: high-efficiency R-410A scroll compressor; right- and left-side 4” or 6” water connections; balanced port bidirectional TXV or an optional electronically controlled expansion valve; and copper-brazed, oversized stainless-steel water-to-refrigerant heat exchangers.