Replacement Return & Supply Duct Kit (large)

for 10″ Ducted Dehumidifier Installation

NXT 120/120c Accessories

WatchDog Dehumidifiers | Optional Return and Supply Flanges for NXT - 120 Series - Pure n Natural Systems

Replacement Return & Supply Duct Kit (large)

for 10″ Ducted Dehumidifier Installation

NXT 120/120c Accessories

$100.00

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About this product

Optimize Your Dehumidifier's Performance with the WatchDog NXT120 Optional Return and Supply Flanges

Enhance the efficiency and versatility of your WatchDog NXT120 or NXT120C dehumidifier with the Optional Return and Supply Flanges. This two-piece assembly replaces the standard supply and return end caps, allowing for seamless integration with 10” ducting (not included). Ideal for homeowners and HVAC professionals aiming to improve air distribution in crawl spaces, basements, or whole-home applications.

Key Benefits:

  • Improved Air Circulation: Facilitates better airflow by enabling ducted configurations, ensuring even humidity control throughout the space.

  • Flexible Installation: Allows the dehumidifier to be installed in one area while conditioning air in another, providing greater installation flexibility.

  • Enhanced Aesthetics: Conceals the dehumidifier unit, maintaining the visual appeal of living spaces.

  • Easy Installation: Comes with the necessary components for a straightforward setup.

Enhance Your Dehumidifier Today!

Upgrade your WatchDog NXT120 or NXT120C dehumidifier with the Optional Return and Supply Flanges to achieve superior humidity control and air distribution. Whether you're aiming for a more discreet installation or improved airflow, these flanges are the perfect solution.

Best for

This duct kit is designed for installations where flexible air distribution or hidden equipment placement is needed.

Ideal applications

  • Crawl space dehumidification systems
  • Basement humidity control systems
  • Whole-home ducted dehumidifier installations
  • Mechanical room or utility room equipment setups
  • HVAC-integrated moisture control systems
  • Professional contractor installations

It allows the dehumidifier to treat air in one area while installed in another location, improving both aesthetics and performance.

Specifications
Product Name

Optional Return and Supply Flanges for WatchDog NXT120 Series
SKU

N-1204
Compatibility

WatchDog NXT120 and NXT120C Dehumidifiers
Duct Size

10 inches (ducting not included)
Material

Durable plastic construction
Installation

Replaces existing supply and return end caps; includes mounting hardware
Manufacturer

Seaira Global

Certifications

ASHRAE Standards: Compatible with ducted IAQ system design

What's in the box
  • (1) Return duct flange / collar
  • (1) Supply duct flange / collar
  • Mounting screws and hardware
  • Installation guidance

This kit provides the components required to convert the dehumidifier to a duct-ready configuration.

Installation tips

Basic Installation Steps

  1. Remove the existing supply and return end caps on the dehumidifier.
  2. Position the return duct flange on the inlet side of the unit.
  3. Secure the flange using the provided mounting screws.
  4. Install the supply flange on the outlet side.
  5. Slide 10-inch flexible ducting over each flange.
  6. Secure ducting using clamps or tie wraps.

Installation Best Practices

  • Keep duct runs as short and straight as possible for optimal airflow.
  • Seal duct joints with HVAC tape or mastic.
  • Avoid sharp bends in flexible ducting.
  • Follow WatchDog installation guidelines for ducted applications.

Professional installation is recommended for HVAC integrations.

Frequently asked questions

Are these flanges compatible with other WatchDog models?

No, these flanges are specifically designed for the WatchDog NXT120 and NXT120C models. For other models, please refer to the appropriate accessories.

Is the ducting included with the flanges?

No, 10” ducting must be purchased separately.

Can I install these flanges myself?

Yes, the flanges come with the necessary hardware and can be installed with basic tools. However, for optimal results, professional installation is recommended.

Will using these flanges affect my dehumidifier's warranty?

No, using manufacturer-approved accessories like these flanges will not void your warranty.
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