Trimvent Select Xtra XR16

Recessed slot ventilator BUY NOW

For use on PVCu, timber or aluminium windows

Trimvent Select Xtra R16 is a fully recessed plastic slot ventilator that fits over a 16mm slot in a window and provides an Equivalent Area (EA) of 4600mm² when fitted with the XHD16 grille or XC16 canopy. The XR16 is ideal for both new build or refurbished situations using timber windows 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.
  • No projection (when closed) for ease of window stacking.
  • Recesses over 16mm slot.
  • Based on successful Trimvent® principle.
  • Sculpted finger recess.
  • Matching screw covers.
  • Patented and registered design.
  • Supplied with paint protection adhesive cover.
  • 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.

Click here to read a case study on the successful application of  the Trimvent Select Xtra XR16.

Trimvent® Select Xtra R16 Ventilator

Trimvent® Select Xtra XHD16 Grille

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
XR16 4600EA Vent TS1164630 351 21 - 32 0 - 18.5 4600 4530
XC16 364 Canopy TS2164040 364 22 32.5 4990
XR16 4600EA Vent TS1164630 351  21 - 32  0 -18.5   4600 4530 
XHD16 Grille** TS3164030 358 26 13.5 5345

* Slot detail should also include a 352 x 22 x 16 recess for the ventilator.
** Special preparation required for XHD16 Grille. See Titon Fixing Instructions for full details.
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 Frame (with XC16)

Through Frame (with XHD16)

Manufactured From

PBTP (UV Stable) & POM, XHD.16 - PP, 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) - 6.04 (with XHD16), 2.43 (with XC16).

Water Resistance (Pa) - Vent & Canopy - 600, Vent & Grille - 300.

Acoustic D n,e,w (+/-) - vent open 31 (0;1), vent closed 40 (-1;-1).


Suffix product code with:
-392 (white), -315 (brown).

Other colours available contact sales for details

More information / 01206 713801