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WS Series – Single Stage

The WS series is a Single Stage, Water-to-Water unit designed for hydronic heating and cooling. This series can provide radiant floor heating, domestic hot water, pool heating, and more. When paired with a fan coil, water-to-water systems can heat and cool with forced air as well.

Standard features include a Copeland single-stage compressor, insulated cabinet panels, factory installed hot water generator, electronic controls with safety lock out, thermostatic expansion valve, and 1-1/4″ MPT water connections.


  • CuNi Heat Exchanger
  • Hydronic Air Handler

Available Cabinet Configurations and Sizes:

  • Water to Water
  • 3 – 7 Ton

Energy Star Qualified – Select Models