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ALECOIL 50,000 BTU Hydronic Hot Water Hanging Unit Heater with Water Temperature Control Switch HHA50 Water to Air Heat Exchanger with Fan for Outdoor Wood Furnaces, Garage and Warehouse Heating : Amazon.co.uk:
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Reznor Indoor hydronic Unit Heater for Vertical or Horizontal Configuration,78,000 to 110,000 Btu - WS78/110 : Amazon.ca: Tools & Home Improvement
DAYTON, Steam/Water, 174,000 BtuH Output @ 200 F Water, Hydronic Wall and Ceiling Unit Heater - 4NHG4|4NHG4 - Grainger
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