RW Simon Vent-A-Matic Static In-glass Window Ventilator – model DGS/PBS

In stock

  • Clear
  • Clear
  • 200mm dia
  • 200mm dia
  • 9896mm²
  • Glazed-in Vent
Part Number:

RRP: £22.23 +VAT

Trade Price:
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Code Finish Internal Finish External Vent Size Internal Vent Size External Air Flow Internal (EA) Type Stock Box Qty RRP Trade Price Qty
VMT30540 Clear Clear 200mm dia 200mm dia 9896mm² Glazed-in Vent 5 1 £22.23 Apply/​Login
Prices are excluding VAT


This RW Simon Vent-A-Matic static ventilator meets Gas Board recommendations to provide a continuous ventilation solution for rooms with open fires, word burners, boilers and central heating where an ample supply of fresh air is essential to fuel the combustion process efficiently and eliminate the build-up of harmful gases.


  • Achieves continuous ventilation in line with Gas Board guidelines BS 5440-2:2000
  • Circular outer louvre design
  • Fits double glazed units 12-32mm thick
  • Designed for use on hermetically sealed units so MUST be fitted by the glazing manufacturer unless it’s been bought as a replacement unit
  • Comes with integral storm guard as standard to reduce drafts
  • Fits a 159mm diameter sized hole
  • Achieves airflow performance 9,896mm² EA
  • Just two parts to assemble for a fast, simple fit into the glass hole
  • Manufactured from UV stabilised translucent polysterene to resist yellowing
  • The unit is secured with a central brass bolt on the inside which can’t be removed from the outside
  • Produced under ISO 9001 quality systems

Dimensions: (see line drawing)

ModelDim A
Dim B
Dim C
Dim D
Hole Dim
DGS/PBS5.5mm36mm200mm dia215mm dia159mm dia
Box Quantity 0
Part Code VMT30540