Trimvent Select S13

Surface mounted slot ventilator BUY NOW

For use on PVCu, timber or aluminium windows

Trimvent Select S13 is a surface mounted plastic slot ventilator that fits over a 13mm slot in a window. It provides an Equivalent Area (EA) of 1700mm² or 2700mm² and can be fitted with a C13 canopy or GS13 grille.

The S13 is ideal for refurbishment situations using any window material and is available in a variety of colours.

Trimvent Select ventilators have been specified and fitted on millions of windows throughout the UK and mainland Europe over the last 20 years.

 Select new standard colours Select woodgrain finishes

Features & Benefits

  • Deflects air up or down, or both
  • Unique occupant controllable tilting T-bar
  • Rounded unobtrusive shape
  • Can be fitted on the sash, frame or overhead section
  • For use over 13mm slot
  • Based on successful Trimvent® principle
  • Sculpted finger recess
  • Screw fix or clip fix versions (GS13 clip fix only)
  • Patented and registered design
  • Available in vent and canopy packs
  • Remote control vent available
  • When specified correctly complies with Building Regulations
  • Effective in reducing pollutants in the home and improving Indoor Air Quality (IAQ), therefore reducing the risk of Toxic Home Syndrome

Click here to read a case study on the successful application of  the Trimvent Select S13.

Trimvent® Select S13 Ventilator

Trimvent® Select C13 Canopy

EA figures above and marked on vents are achieved when fitted to manufacturer’s recommendations. Tested in accordance with BS:EN 13141-1 (2004). See Titon fixing instructions for full details.

This product does feature some protrusion into the slot. If the recommended slot size has been cut then the protrusion will not affect fitting or claimed performance. Please contact us if you are using an existing slot which is different to that shown. Using a product without locators could affect the stability of the product in certain extreme conditions.

Through Sash

Manufactured From

PBTP (UV Stable) & POM, Canopy - PVCu.

Recommended Screws

C13 3.5mm (No.6) Pan Head or equivalent.

S13 (No.7) or (No.8) Countersunk Heads.


Tested in accordance with BS EN 13141-1:2004 (air flow, air leakage and weather tightness).

Acoustic performance tested in accordance with BS EN ISO20140-10:1992, BS EN ISO140-10:1991 and single figures to BS EN ISO717-1:1991.


(Full test details available on request)

Equivalent Area - see above

Free Area - see above

Air Leakage (m³/hr @ 50Pa)
1700EA version (screw fix) - 1.61
2700EA version (screw fix) - 2.61.

Water Resistance (Pa) - 1700EA and 2700EA version - 600Pa.

Acoustic D n,e,w (+/-) - 2700EA version - vent open 33 (-1;0), vent closed 45 (-1;-2).


Suffix product code with:
-392 (white), -315 (brown), -496 (bright white), -662 (toffee).

Other colours available contact sales for details

More information / 01206 713801