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SKU: GH-1137

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Legacy Humidifier, 21 GPD, 120V, The MHX3 Manual-Control Duct Mount Humidistat.

A fan inside the GeneralAire Elite Series Flow Through 1137 pulls warm air from the furnace through the water-soaked Vapor Pad, where it absorbs additional moisture. The moistened air then returns for distribution throughout the home via home's duct system.

  • For Home Sizes up to 3,000 Sq. Ft.
  • Included:  The MHX3 Manual-Control Duct Mount Humidistat.
  • 21 GPD.
  • Vapor Pad replacement number 990-13 (GFI #7002). Replace 1-2 times per season.
  • 120V.
  • 19 Lbs.
  • 5 Year Warranty.