Airboot / RETURN Plenum Box (for Daikin FXSQ140) — 218×1512×30 / 2×Ø350 Internal Insulation

Description
The return airboot (plenum box), model DKSQR14, measures 218×1512×30 / 2×Ø350 and is internally lined with 5mm insulation. Designed for Daikin FXSQ140 ducted units, this plenum box not only transitions the unit’s return opening to the duct system but also functions as a static pressure chamber. It balances return airflow, stabilizes system pressure, and reduces noise and vibration, enhancing both energy efficiency and indoor comfort.

Applications

• Compatible with Daikin FXSQ140 ducted units

• Return air distribution in large residential, office, and retail ceiling systems

• HVAC return air connections in commercial and public buildings

• Ideal for projects requiring quiet operation and balanced airflow

Installation & Compatibility

• Rectangular inlet: 218×1512×30mm

• Round outlets: Ø350mm ×2

• Internal 5mm insulation layer for condensation prevention and thermal stability

• Matches Daikin FXSQ140 return openings

• Connects directly to ductwork and return grilles, ensuring smooth airflow and static pressure balance

Specifications

• Type: Return airboot / plenum box

• Model: DKSQR14

• Material: Galvanized steel with internal insulation

• Insulation thickness: 5mm

• Rectangular inlet: 218×1512×30mm

• Round outlets: Ø350mm ×2

• Compatible unit: Daikin FXSQ140 ducted units

• Application: HVAC return air distribution and static pressure stabilization