Maico Wall Sleeve WH 120 DN 120 mm White

The Maico Wall Sleeve WH 120 is a high-quality plastic wall duct designed for professional through-wall installation of ventilation systems. With a nominal diameter of DN 120 mm and a standard length of 350 mm, this sleeve ensures a secure and airtight connection for round ducts in exhaust and supply air applications. Its white finish (RAL 9010) blends seamlessly with standard wall surfaces, making it an ideal choice for both new constructions and retrofits.

Advantages

Durable UV-resistant plastic construction withstands temperatures up to +60°C. The sleeve can be easily shortened to the required length on-site, offering flexibility for various wall thicknesses. Optimized for Maico ventilation units (e.g., ER, ECA series) but compatible with any DN 120 duct system.

Suitable for

• Through-wall installation of round ventilation ducts DN 120
• Exhaust and supply air systems in residential and commercial buildings
• Use with Maico ER, ECA, and other compatible ventilation units

Key specifications

• Product Type: Wall Sleeve / Wall Duct
• Nominal Diameter: DN 120 mm
• Material: High-quality Plastic (ABS)
• Colour: White (RAL 9010)
• Standard Length: 350 mm
• Inner Diameter: Approx. 118 mm
• Outer Diameter: Approx. 126 mm
• Temperature Resistance: Up to +60°C
• UV Resistance: Yes
• Installation: Requires core drill hole approx. 127-130 mm diameter

Recommendations

For an airtight seal, use appropriate sealants or gaskets (not included). Ensure the core drill hole is accurately sized to prevent air leaks. This sleeve is not fire-rated; for fire-resistant applications, select a suitable fire-rated duct sleeve.