Roth’s line of geothermal heat pumps includes water-to-air and water-to-water pumps with all the accessories needed to complete a system. The water-to-water unit comes in eight sizes from 2 to 12 tons, while the water-to-air unit comes in five sizes, 2 to 6 tons. All models include two-stage operation, heating and cooling modes and desuperheaters for domestic water heating.
Roth Pump Co.www.rothpump.com. Circle 35
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