Airboot / RETURN Plenum Box (for Daikin FBA85/100/125/140) — 218×1362×30 / 2×Ø350 Internal Insulation

Description
The return airboot (plenum box), model DKBAR85101214, measures 218×1362×30 / 2×Ø350 and is internally lined with 5mm insulation. Designed for Daikin FBA85/100/125/140 ducted units, this plenum box serves as a static pressure chamber, providing a smooth transition from the unit’s return opening to the duct system. It balances airflow, stabilizes static pressure, reduces noise and condensation, and enhances energy efficiency and indoor comfort.

Applications

• Compatible with Daikin FBA85/100/125/140 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: 218×1362×30mm

• Round outlets: Ø350mm ×2

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

• Matches Daikin FBA85/100/125/140 return openings

• Connects directly to ductwork and return grilles for balanced airflow

Specifications

• Type: Return airboot / plenum box

• Model: DKBAR85101214

• Material: Galvanized steel with internal insulation

• Insulation thickness: 5mm

• Rectangular inlet: 218×1362×30mm

• Round outlets: Ø350mm ×2

• Compatible unit: Daikin FBA85/100/125/140 ducted units

• Application: HVAC return air distribution and static pressure stabilization