1201 Telescopic Underfloor Vent Accessories

Easy-to-fit horizontal and vertical extension accessories designed for use with the 1201 and 1201XL Telescopic Underfloor Ventilators. Multiple units can be used to achieve greater depths and heights.

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.

Uses:

  • 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.

Product Information

Accessories

DescriptionTo suitProduct code
Horizontal front extension+115mm1203
Vertical extension sleeveAdditional 2 brick courses1204
Duct adaptorSuits 110mm diameter duct1205
Horizontal rear extensions+100mm1206

The table below shows how the build-up of telescopic underfloor ventilators and vertical extension pieces achieve the required building in height

DescriptionBrick heightRise (mm)
1201 telescopic underfloor vent3-5225/375
+1 no. 1204 vertical extension sleeve6-7450/525
+2 no. 1204 vertical extension sleeve8-9600/675
+3 no. 1204 vertical extension sleeve10-11750/825
+4 no. 1204 vertical extension sleeve12-13900/975

  • 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
  • Satisfies all NHBC requirements
  • Manufactured to BS EN ISO 9001 and BS EN ISO 14001
  • Complies with all relevant Building Regulations
  • Meets all relevant British Standards
  • All standard accessories are injection moulded in polypropylene.
  • All accessories are available in black only.
  • Product 1203 should be fitted with the slotted end to accept the airbrick. 1203 sleeves can also be slotted together to form longer sections if required.
  • Product 1204 fits externally over the upper and lower parts of the ventilator, units can be multi stacked for greater height.
  • Product 1205 has a ‘push-fit’ opening for the drainage pipe. The vermin grille of the ventilator can be left in position. For fitting to drainage pipe a coupling will be required 1201 telescopic underfloor vent extension accessories Easy-to-use accessories for a range of underfloor ventilation applications.
  • Product 1206 fits over the lower rear opening of the ventilator. The vermin grille must first be removed to allow this, and then replaced at the other end of the extension sleeve. 1206 sleeves can also be slotted together to form longer sections if required.
  • To improve joins between the telescopic underfloor ventilator and an accessory, seal using insulating tape or duct tape.
  • Establish which part of the telescopic underfloor ventilator needs extending and specify the appropriate accessory.

F30 Accessories/sundry items for brick/block/stone walling

Clause 160 | AIR BRICK

  • To BS493, Class 1, built in as the work proceeds.
  • Manufacturer: Timloc Building Products, Timloc House, Ozone Park, Howden, East Yorkshire, DN14 7SD. T: 01405 765567, W: www.timloc.co.uk
  • Reference: Accessories
  • Design: Various
  • Work size: Various
  • Material: Thermoplastic
  • Colour: Black
  • Optional Accessories:
    • 1203 Horizontal Front Extension (+115mm)
    • 1204 Vertical Extension Sleeve (additional 2 brick courses)
    • 1205 Duct Adaptor (suits 110mm diameter duct)
    • 1206 Horizontal Rear Extension (+100mm)

Horizontal front extension sleeve – Product 1203
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.

Vertical extension sleeve – Product 1204
Fits between the upper and lower parts of the telescopic underfloor ventilator to accommodate a vertical step of 6 to 7 brick courses.

Duct adaptor – Product 1205
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.

Horizontal rear extension sleeve – Product 1206
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

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