Wall Fixing Ventilation Duct Kit - EUROPLAST - 125mm
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B&Q - Wall Fixing Ventilation Duct Kit 125mm / 5" With Cowl And Duct Pipe
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Product Information
Full details
The EUROPLAST Wall Fixing Ventilation Duct Kit is designed for homeowners and contractors seeking a reliable through-wall exhaust solution for residential or commercial spaces. Its primary benefit is the telescopic design, which allows for effortless adjustment to accommodate varying wall thicknesses, while providing a clean, weather-protected finish. A key caveat is that the kit requires a precise 125mm core-drilled hole for installation, which may necessitate professional masonry tools for solid wall applications.
All features
| Brand | EUROPLAST |
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Extended Product Information
FAQs
Can this kit be cut to a shorter length?
The telescopic design is intended to be adjusted; if it is too long, you can carefully cut the tube with a fine-toothed saw, provided you maintain the integrity of the flange.
Is the external cowl removable for cleaning?
Yes, the external grille is generally designed to be removed or accessed for periodic maintenance of the duct passage.
Does this kit include a fan?
No, this is a ducting and wall-fixing kit only. The extraction fan must be purchased separately.
Can I use this for a tumble dryer?
It is not recommended for tumble dryers as lint buildup can clog the backdraught shutter and create a fire hazard.
What tools are needed for installation?
You will need a 125mm core drill, a power drill, a screwdriver for the fixings, and a spirit level to ensure the duct is installed with a slight downward pitch to drain any condensation.
Troubleshooting
Cold air blowing back into the room
Check the internal backdraught shutter for debris or obstruction that may be preventing it from closing fully.
Excessive noise during fan operation
Ensure the duct is fully secured and that there are no sharp bends or kinks in the path of the airflow.
Duct is too short for the wall
Verify the wall thickness is within the 300-550mm range; if the wall is thicker, you may need a dedicated duct extension piece.
Pros and Cons
Pros
- Adjustable telescopic length simplifies installation on varying wall thicknesses
- Effective weather-resistant cowl prevents water ingress
- Built-in backdraught shutter improves energy efficiency by reducing heat loss
- Standard 125mm diameter fits most common bathroom and kitchen extractors
Cons
- Requires professional-grade drilling equipment for installation in solid brick or stone
- Fixed 125mm diameter limits compatibility with smaller or larger non-standard ventilation systems
- External grille may accumulate dust or debris over time in high-pollution areas
Setup, Compatibility & Care
Installation requires creating a 125mm hole through the wall. Use a core drill for a clean finish in masonry. Slide the telescopic duct through the hole and secure the flange to the interior wall using appropriate fixings for your surface (plasterboard or masonry).
Compatibility: This kit is specifically designed for 125mm round ventilation systems. It is not compatible with rectangular ducting without the use of additional adapters.
Care: To ensure longevity, check the external grille annually for any debris or obstructions. The backdraught shutter can be checked by listening for the closure sound when the extractor fan is turned off. If the shutter becomes stuck, a quick clean with a soft brush and mild soap will typically restore full functionality.