In retrofit and service work, surprises on the jobsite are practically guaranteed. Ductwork that doesn’t match the drawings, last-minute layout changes, or an unexpected configuration can turn a straightforward installation into a time-consuming headache. When time is tight, installers need options—and adaptability becomes essential.

That’s where a reconfigurable mixing box design makes all the difference.

Why “The Cube” Exists
Traditional economizers and mixing boxes are typically ordered with fixed damper orientations. If the ductwork doesn’t match the ordered configuration, you’re forced to:

• reorder the entire unit
• wait days or weeks for delivery
• renegotiate with the customer
• work around a system that doesn’t line up correctly

“The Cube” concept was developed as a universal, field-adaptable mixing box designed specifically to solve this problem for residential and light commercial installations.

Field-Configurable Flexibility
The Cube is designed as a modular, generic-size mixing box that gives installers the ability to relocate the Outside Air (OA) and Return Air (RA) dampers directly in the field—without cutting, fabricating, or reworking the box.

Reconfiguration is simple:

1. Remove a panel
2. Move the damper assembly into the desired opening
3. Replace the blank-off plate
4. Reconnect the linkage
5. Reassemble

This gives technicians the freedom to adapt to unexpected site conditions on the spot and ensures a correct fit regardless of the building’s existing duct layout.

Available Sizes & Airflow Capabilities
“The Cube” is available in three standardized outer dimensions, making it easy to stock, transport, and deploy:

Outside Dimensions	Airflow Rating	Static Pressure
16.5″ × 16.5″ × 16.5″	Up to 1,000 CFM	@ 0.2″ w.c.
23.5″ × 23.5″ × 23.5″	Up to 2,000 CFM	@ 0.2″ w.c.

These three sizes cover the majority of residential and small-commercial airflow requirements, making “The Cube” an excellent standard stocking item for contractors, distributors, and service teams.

Controller & Sensor Compatibility
The Cube’s clean internal layout allows it to be paired with a variety of control strategies, depending on system requirements:

• Dry bulb control
• Enthalpy-based control
• Standalone actuator operation
• Demand Control Ventilation (DCV) integration
• Compatibility with popular economizer controllers, including Honeywell W7220 or Siemens POL224 depending on the project design

Units can be supplied with control packages or configured for contractors who prefer to provide their own control systems.

Where The Cube Excels
Ideal applications include:

• Residential fresh air mixing
• Light commercial packaged units
• Retrofit upgrades
• Projects with uncertain duct layouts
• Sites with limited space or access constraints

Its compact footprint and reconfigurable design minimize installation issues and keep projects moving forward—even when last-minute surprises happen.

Why Technicians Appreciate It

• Pre-assembled and ready for immediate installation
• Rapid field reconfiguration prevents delays
• Versatile damper placements adapt to nearly any duct arrangement
• Stockable cube sizing simplifies inventory management
• Works with multiple control options
• Economizes fresh air integration in smaller systems