Description
Features & Benefits:
- Does not restrict airflow through the main telescopic underfloor ventilator
- Purpose-made accessories eliminate the need for on-site modifications
- Lightweight and easy to handle
- Durable and totally resistant to decay
Where to use:
- To provide horizontal or vertical extension to a telescopic underfloor ventilator to accommodate different wall/cavity/brick courses etc.
- To connect the ventilator to a duct.
1203 – Horizontal Front Extension Sleeve Fits between the airbrick and upper front opening of the telescopic underfloor ventilator to accommodate external walls of more than 102.5mm thickness, up to a maximum of 215mm
1204 – Vertical Extension Sleeve Fits between the upper and lower parts of the telescopic underfloor ventilator to accommodate a vertical step of 6 to 7 brick courses.
1205 – Duct Adaptor Fits on to the lower rear opening of the telescopic underfloor ventilator to allow a standard 110mm external diameter plastic underground drainage pipe to be connected via a coupling connection.
1206 – Horizontal Rear Extension Sleeve Fits into the lower rear opening of the telescopic underfloor ventilator to accommodate cavity widths between 50-150mm – or internal walls of more than 100mm thickness, up to a maximum of 200mm.
Accessories
Description | To suit | Product Code |
---|---|---|
Horizontal front extention | +115mm | 1203 |
Vertical extension sleeve | Additional 2 brick courses | 1204 |
Duct adaptor | Suits 110mm diameter duct | 1205 |
extensions | +100mm | 1206 |
The table below shows how the build-up of telescopic underfloor ventilators and vertical extension pieces achieve the required building in height
Description | Brick height | Rise (mm) |
---|---|---|
1201 telescopic underfloor vent | 3-5 | 225/375 |
+1 no. 1204 vertical extension sleeve | 6-7 | 450/525 |
+2 no. 1204 vertical extension sleeve | 8-9 | 600/675 |
+3 no. 1204 vertical extension sleeve | 10-11 | 750/825 |
+4 no. 1204 vertical extension sleeve | 12-13 | 900/975 |