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Trane Grey Large Bypass Furnace Humidifier - THUMD300ABA00B

Abt Model: THUMD300ABA00B | UPC Code: 000000006839
Delivers Up To 16.8 Gallons Per Day/ Covers Up To 4000 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/ Field Convertible Duct Connection/ Built-In Summer/Winter Damper/ Grey Finish/ Requires Site Summary
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Note: This Trane product is only available for sale in our store and delivery within a 150 mile radius of our Glenview, IL Store.
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Product Details

Trane Grey Large Bypass Furnace Humidifier, Model THUMD300ABA00B

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.


  • Bypass delivers up to 16.8 Gallons per day
  • Automatic Humidifier Control and O.D. Sensor for up to 50% more Humidity
  • UV Resistant Cabinet and Scale Control Insert
  • Front Cover Access for easy replacement of humidifier pad.
  • Aluminum Humidifier Pad Treated with Ceramic Clay for for Enhanced Pad Performance
  • Reliable Brass Solenoid Valve w/Stainless Steel Valve Seat
  • Field Convertible Duct Connection, Left or Right Side
  • Built in Summer / Winter Damper
  • Saddle Valve
  • Polyslate Grey Housing matches Furnace Cabinet Color
  • 24/120 V Transformer


  • Type: Fan Powered, Auto Control
  • Use With: All Furnace Models
  • Home Size: Up to 4000 sq.ft.
  • Rate Gallons / Day: 16.8
  • Water Feed Rate (Gal/hr): 6
  • Airflow: Bypass
  • Water Flow: Drain
  • Low Voltage 24V 60 Hz
    • Amps: 0.50
    • VA(Max): 12
    • Watts: 6
  • Connections
    • Water (Potable) inlet: 1/4-in Copper Tubing
    • Water Drain: 1/2-in plastic hose
    • Bypass Opening (Duct): 6-in round
  • Standard Equipment (included)
    • Humidistat: Automatic Humidifier Control 24 V
    • Transformer: 120V / 24V 12 VA
    • Water Valve: Solenoid, 24 VAC
    • Saddle Valve: Included
    • Damper (Summer / Winter): Included

Approximate Dimensions:

  • Height: 17.8"
  • Width: 14.1"
  • Depth: 9.4"

Approximate Weight:

  • Unit: 12 lbs
  • Shipping: 15 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): Five-Year Limited Warranty
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More reasons to buy the Trane THUMD300ABA00B from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Trane THUMD300ABA00B is Brand New.
  • The Trane THUMD300ABA00B Ships in a Factory Sealed Box.
TypeFurnace Humidifier
Voltage24/120 V
Chassis TypeFixed
Control TypeDigital
Remote IncludedNo
Wall Sleeve IncludedNo
Parts Warranty5 Years Limited
Labor Warranty1 Year
Trane Grey Large Bypass Furnace Humidifier

Trane Grey Large Bypass Furnace Humidifier

In Stock

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