Round Ceiling Ventilation Cover - 125 mm - VENTS UK

This 125 mm white plastic ventilation diffuser is designed for efficient supply and exhaust air ve...

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The VENTS UK 125 mm Round Ceiling Ventilation Cover is an essential component for homeowners and contractors seeking a durable, aesthetic solution for supply and exhaust air ventilation in bathrooms, kitchens, and HVAC systems. It provides a clean, professional finish to air ducts while ensuring efficient airflow, though users should note that the unit is designed primarily for standard flush-mount installations and requires precise duct alignment for a secure fit.

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BrandVENTS UK

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FAQs

Is this cover paintable?

Yes, the plastic surface can be painted, though it is recommended to use a plastic-adhesion primer first to ensure the paint does not flake.

Can this be installed in a shower ceiling?

Yes, its moisture-resistant properties make it suitable for bathroom and shower area installations.

Does this include a damper for flow control?

No, this is a fixed ventilation diffuser and does not include an integrated airflow adjustment damper.

What is the total diameter of the unit?

The spigot is designed for 125 mm ducts, with the outer diameter extending slightly beyond this to cover the hole for a clean flush finish.

Does it meet fire safety standards?

The unit is designed for standard residential air ventilation. Please consult your local building inspector to ensure the material meets specific fire-rating requirements for your region.

Troubleshooting

Diffuser feels loose in the ducting

Check that the auto clips are fully engaged. If the hole is slightly oversized, consider applying a small amount of silicone sealant to the flange for a secure fit.

Visible dust buildup on the faceplate

Gently wipe the surface with a microfiber cloth; for deeper cleaning, detach the unit by releasing the clips and rinse with warm, soapy water.

Pros and Cons

Pros

  • UV-resistant material prevents discoloration
  • Simple, tool-free installation with auto clip
  • Complies with Part F Building Regulations
  • Sleek design fits well in modern interiors
  • Compatible with a wide range of fan types

Cons

  • Fixed design does not allow for adjustable airflow
  • White plastic may be prone to scratching if cleaned with abrasive pads
  • Requires exact 125 mm duct sizing; not compatible with irregular duct shapes

Setup, Compatibility & Care

Installation is straightforward due to the included fastening ring. First, ensure your ducting is cut flush to the surface. Insert the diffuser into the duct opening, utilizing the auto clip to lock it into place against the wall or ceiling material. For best results, use a sealant around the perimeter if you require an airtight finish. For care, simply wipe the surface with a soft, damp cloth and mild detergent. Avoid using harsh chemical cleaners or abrasive brushes, as these may damage the UV-resistant finish over time.