Airboot / RETURN Plenum Box (for Panasonic S-125PE3R / S-140PE3R / S-160PE3R) — 345×1035×30 / 2×Ø350 Internal Insulation

Description
The return airboot (plenum box), model PSPB345/350, measures 345×1035×30 / 2×Ø350 and is internally lined with 5mm insulation. It is designed for Panasonic S-125PE3R, S-140PE3R, and S-160PE3R ducted units. Acting as a static pressure chamber, it balances airflow, stabilizes static pressure, and reduces noise and condensation while providing a smooth transition from the unit’s return opening to the duct system.

Applications

• Compatible with Panasonic S-125PE3R / S-140PE3R / S-160PE3R 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: 345×1035×30mm

• Round outlets: Ø350mm ×2

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

• Matches Panasonic S-125PE3R / S-140PE3R / S-160PE3R return openings

• Connects directly to ductwork and return grilles

Specifications

• Type: Return airboot / plenum box

• Model: PSPB345/350

• Material: Galvanized steel with internal insulation

• Insulation thickness: 5mm

• Rectangular inlet: 345×1035×30mm

• Round outlets: Ø350mm ×2

• Compatible unit: Panasonic S-125PE3R / S-140PE3R / S-160PE3R ducted units

• Application: HVAC return air distribution and static pressure stabilization