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Discontinued Product
View all Humidifiers

Trane Grey Fan Powered Furnace Humidifier - THUMD500APA00B

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Product Details

Trane Grey Fan Powered Furnace Humidifier, Model THUMD500APA00B

When it comes to the comfort of your indoor air, temperature isn’t the only thing to consider. For many families, a whole home humidifier not only provides the right amount of moisture for total comfort, it can also help to keep irritating airborne particles from circulating as easily.


  • Flow Through Fan Powered Humidifier
  • High Performance Humidifier Delivers up to 18 Gallons per Day
  • Automatic Humidifier Control with O.D. Sensor for up to 50% more Humidity
  • Front Cover Access for easy replacement of humidifier pad
  • Aluminum Humidifier Pad Treated with Ceramic Clay for Enhanced Pad Performance
  • Reliable Brass Solenoid Valve w/Stainless Steel Valve Seat
  • UV Resistant Cabinet and Scale Control Insert
  • Saddle Valve
  • Polyslate Gray Housing matches Furnace Cabinet Color
  • Decorative nameplate
  • 120V Power Line Cord


  • Type: Fan Powered, Auto Control
  • Use With: All Furnace Models
  • Home Size: Up to 4200 sq.ft.
  • Rate Gallons / Day: 18
  • Water Feed Rate (Gal/hr): 6
  • Airflow: Fan
  • Water Flow: Drain
  • 120 V Line Cord: Yes
  • Min. Brch. Cir. Ampacity 3: 10
  • Low Voltage 24V 60 Hz
    • Amps: .1
    • VA(Max): 2.4
    • Watts: 2.4
  • Connections
    • Water (Potable) inlet: 1/4-in Copper Tubing
    • Water Drain: 1/2-in plastic hose
  • Standard Equipment (included)
    • Humidistat: Automatic Humidifier Control 24 V
    • Water Valve: Solenoid, 24 VAC
    • Fan Motor: 1/70 HP 120 VAC
    • Relay: SPST 24 VAC
    • Saddle Valve: Included

Approximate Dimensions:

  • Height: 18.3"
  • Width: 15.8"
  • Depth: 11"

Approximate Weight:

  • Unit: 17 lbs
  • Shipping: 20 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): Five-Year Limited Warranty
California customers: Proposition 65 WARNING
Downloadable Resources
Key Features
Delivers Up To 18 Gallons Per Day/ Covers Up To 4200 Sq. Ft./ Automatic Humidifier Control With O.D. Sensor/ Front Cover Access/ Aluminum Pad Treated With Ceramic Clay/ Brass Solenoid Valve With Stainless Steel Valve Seat/ UV Resistant Cabinet And Scale Control Insert/ Grey Finish/ Requires Site Summary
More reasons to buy the Trane Grey Fan Powered Furnace Humidifier THUMD500APA00B from Abt Electronics
  • Abt.com is an authorized dealer.
  • The Trane Grey Fan Powered Furnace Humidifier THUMD500APA00B is Brand New.
Output (per day)18 Gallons
Coverage4200 Sq. Ft.
Height (inches)18.3
Width (inches)16
Depth (inches)11


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