Replacement Fan Power Humidifier 21.3 GPD. It can be mounted on the supply OR return air duct but works much better on the supply side. Model 1137 includes the MHX3 Manual Control Duct Mount Humidistat. A portion of the heated air from the furnace passes through a water-soaked Vapor Pad where it absorbs additional moisture and then returns for distribution throughout your home. Water is metered into a water distribution tray and uniformly dispersed across the vapor pad. Unevaporated water drains from the bottom of the unit to eliminate mineral build-up.

Also known as part 5137


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Manufacturer General Aire




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