Trimvent Select Xtra XS16

Surface mounted slot ventilator BUY NOW

For use on PVCu, timber or aluminium windows

Trimvent Select Xtra S16 is a surface mounted plastic slot ventilator that fits over a 16mm slot in a window and provides an Equivalent Area (EA) of 4600mm² when fitted with the XC16 canopy.

The XS16 is ideal for both new build or refurbishment situations using any window material and is available in a variety of colours.

The Xtra design improves the Trimvent Select range to offer increased ventilation giving optimum airflow (and therefore Equivalent Area) utilising existing Trimvent Select slot sizes and vent lengths, meaning they are 60% more efficient than previous models.

Specifically developed for recent revisions to Part F of the Building Regulations, Ventilation (England & Wales), and to improve performance for requirements throughout the UK and Europe.

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

System 1 System 2 System 3






Features & Benefits

  • Revised design to improve.
  • performance and Regulations compliance.
  • Unique occupant controllable tilting T-bar.
  • Rounded unobtrusive shape.
  • For use over 16mm slot.
  • Based on successful Trimvent® principle.
  • Sculpted finger recess.
  • Matching screw covers.
  • Patented and registered design.
  • Available in vent and canopy pre packs.
  • When specified correctly, complies with British Building Regulations.
  • Effective in reducing pollutants in the home and improving Indoor Air Quality (IAQ), therefore reducing the risk of Toxic Home Syndrome.

Trimvent® Select Xtra S16 Ventilator

Trimvent® Select Xtra XC16 Canopy

Trimvent® Select new standard colours*

Trimvent® Select woodgrain finishes*

* Please contact us for availability of certain colours and finishes

Product Product Code (L)
Length (mm)
Width (mm)
Projection Closed-Open (mm)
Free Area
Slot Detail
XS16 4600EA Vent TS1164670 366 21 - 31 16 - 28 4600 4511
XC16 364 Canopy TS2164040 364 22 32.5 4600
XS16 & XC16 4400EA Pack TS4164670          

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

Through head

Manufactured From

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

Recommended Screws

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


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) - 2.12.

Water Resistance (Pa) - 600.

Acoustic D n,e,w (+/-) - vent open 31 (0;0), vent closed 41 (-1;-2).


Suffix product code with:
-392 (white), -315 (brown), -496 (bright white), -662 (toffee). Other finishes available depending on quantity.

More information / 01206 713801