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Honeywell HE225DG115 (HE225D) Enviracaire Elite By-pass Humidifier

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Click here to see all parts for the Honeywell model HE225D humidifier

Honeywell Enviracaire EliteT HE225D By-Pass Flow-Through Humidifier


  • Includes Honeywell TrueIAQ auto humidity control
  • The Honeywell Automatic Model HE225D bypass humidifier is fully automatic and offers the flexibility of easy installation on either the warm-air supply or cold-air return of any forced air furnace.
  • Humidity Regulation The HE225D provides truly automatic humidity regulation through Honeywell's TrueIAQ control with outdoor temperature sensor (included)
  • The HE225D has an evaporation capacity of 12.0 gallons per day at 120 degree plenum temperature.
  • The HE225D comes equipped with a HeatlhShield water panel which prevents the surface growth and migration of bacteria, mold, fungus and algae on the humidifier water panel.
  • The humidified air mixes with the return air from the house and is forced back into the living area. Uniform, accurately controlled humidity levels are maintained automatically.
  • 5 year warranty
Humidifier installation will require the following supplies (not included):
  • #8 sheet metal screws
  • 1/4" copper water line 
  • 1/2" ID clear vinyl tubing for drain
  • Small wire nuts
  • 6" start collar for bypass connection 
  • 6" 90 degree elbow for bypass connection 
  • 6" pipe for bypass connection 
  • 18-2 thermostat wire

Product Specifications:
Description Bypass Flow Through Humidifier with TrueIAQ Automatic Humidistat
Application Humidification
Type Bypass Flow-Through
Capacity (gal. per day) 12 gal. per day
Capacity (liter per day) 46 L per day
Voltage 24 Vac
Electrical Ratings 0.5A
Frequency 60 Hz
Color White and Blue
Mounting Duct mount
Plenum Opening (in.) 9 7/16 in. high x 9 5/18 in. wide
Plenum Opening (mm) 241 mm high x 238 mm wide
Dimensions (in.) 13 9/16 in. high x 12 in. wide x 9 1/8 in. deep
Dimensions (mm) 345 mm high x 305 mm wide x 232 mm deep
Approvals, Underwriters Laboratories Inc UL/CUL Listed Report E185662
Includes Bypass Flow-through Humidifier, summer shut-off damper humidifier pad, mounting template, self-piercing saddle valve 24 Vac transformer and wire, automatic humidistat
Tradeline Value Tradeline
Bypass Duct Opening (Diameter) (in.) 6 in.
Bypass Duct Opening (Diameter) (mm) 152 mm

We have packaged these supplies into our Bypass Type Humidifier Installation Kit

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(case of 10 Pcs)
(case of 2 Water Panels)