The GeneralAire 1137 power humidifier is designed for residential and light commercial applications up to 3000 square feet.

The GeneralAire 1137 can be mounted on either the supply or return duct system. It comes with a humidistat and will add the appropriate amount of humidity to your home to reduce static electricity, improve your breathing and comfort as well as protect your furniture and wood floors from drying out and cracking. Application: Flow-through humidifier that's ideal for most homes. No by-pass required. Installs on vertical warm air supply plenum.

• Dimensions: 15"w x 11.5"h x 9".5 d
• Plenum Opening: 10.5"w x 9.5" h
• Bypass Duct: 6" diameter - collar supplied
  
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Unit Size: 16" wide x 14" high x 10" deep Plenum Opening: 15" wide x 9-1/2" high

Click here for the Generalaire 1137 Installation Manual