Manthorpe Hit & Miss Air Vent Grille - White - 9" x 3"
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Product Information
Full details
The Manthorpe Hit & Miss Air Vent Grille is ideal for homeowners looking to maintain air circulation in larders, cupboards, or wardrobes while controlling drafts. It offers the benefit of precise manual airflow adjustment, though it is important to note that this product is not certified for use with gas appliances.
All features
| Colour | White |
|---|---|
| Model Part Number | AV903 |
| Brand | Manthorpe |
Extended Product Information
FAQs
Can I use this for a gas boiler flue?
No, this product is strictly for general domestic ventilation and is not suitable for gas appliances.
What are the exact external dimensions?
The overall dimensions of the grille are 280mm x 105mm.
Does it come with fixing screws?
The product is designed to fit standard brick apertures, but please verify if your specific application requires additional mechanical fasteners.
How large is the ventilation area?
The free ventilation area provided by this grille is 2,240mm².
Can the flyscreen be replaced if it gets damaged?
The flyscreen is integrated into the unit, so it is not designed to be removed or replaced separately.
Troubleshooting
The slider mechanism feels stiff.
Check for trapped dust or paint in the track and gently wipe with a dry cloth.
Airflow is restricted when the vent is open.
Ensure the internal flyscreen is free from accumulated dust or lint that might be blocking the ventilation holes.
Pros and Cons
Pros
- Easy to install in standard brick openings
- Effective at preventing insect ingress via integral flyscreen
- Energy-saving potential by closing off drafts
- Simple, intuitive manual control
Cons
- Not suitable for gas appliance ventilation
- Requires manual adjustment rather than automatic sensors
- Limited to specific 9" x 3" aperture dimensions
Setup, Compatibility & Care
Installation should be performed by fitting the unit into a 9" x 3" brick opening. Ensure the surface area is clear of mortar debris before mounting to achieve a flush finish. The grille is compatible with single brick aperture depths. Maintenance is minimal; the sliding mechanism should be wiped periodically with a damp, non-abrasive cloth to remove dust buildup. Do not use harsh chemical cleaners, as these may discolor the plastic housing or damage the integrity of the integrated flyscreen mesh.