Airboot / RETURN Plenum Box (for Daikin FDMA85/100/125/140) — 257×1335×30 / 2×Ø350 Internal Insulation

Description
The return airboot (plenum box), model DKMAR85101214, measures 257×1335×30 / 2×Ø350 and is internally lined with 5mm insulation. It is designed for Daikin FDMA85/100/125/140 ducted units, providing the transition from the unit’s return opening to the duct system. This ensures smooth airflow, reduces condensation, and improves overall energy efficiency.

Applications

• Compatible with Daikin FDMA85/100/125/140 ducted units

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

• HVAC return air connections in commercial and public buildings

Installation & Compatibility

• Rectangular inlet: 257×1335×30mm

• Round outlets: Ø350mm ×2

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

• Matches Daikin FDMA85/100/125/140 return openings

• Connects directly to ductwork and return grilles

Specifications

• Type: Return airboot / plenum box

• Model: DKMAR85101214

• Material: Galvanized steel with internal insulation

• Insulation thickness: 5mm

• Rectangular inlet: 257×1335×30mm

• Round outlets: Ø350mm ×2

• Compatible unit: Daikin FDMA85/100/125/140 ducted units

• Application: HVAC return air distribution