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TCL20CWL – Rytons 9×9 Cowled Ventilation Set with Louvre Ventilator

24,000mm² (240cm²) Equivalent Area

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General Details

TCL20CWL – Rytons 9×9 Cowled Ventilation Set with Louvre Ventilator

  • Telescopic cavity liner set with external cowl for ventilating boilers, stoves and fires.
  • Cowl protects against excessive weather conditions and alleviates air blasts through the cavity.
  • Contains a system of internal baffles to reduce light and draughts.
  • Finished with a fixed open louvre ventilator internally.
  • External water baffles prevent the transfer of water across the cavity.
  • Cowl, air brick and louvre grille U.V. stabilised to slow down the effects of sunlight.
  • HETAS approved for use with solid fuel appliances.
  • Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England.  Contact our technical sales office on 01536 511874 about a compliant alternative using Rytons A1 Fire-rated Bespoke Metal Service.

Equivalent Area:

  • 24,000mm² (240cm²) per set (tested to BS EN 13141-1:2004 and independently verified by the BRE).

Size:

  • Cowl: 274mm L x 235mm H x 103mm D.
  • AirLiner® sleeve: 220mm W x 207mm H, extends from 250mm to 404mm L (including air brick) (see image gallery).
  • Louvre grille: 271mm L x 247mm H.

Colours:

  • Terracotta: TCL20TCWL.
  • Buff/Sand: TCL20BCWL.
  • White: TCL20WCWL.
  • White louvre grille.
  • Bespoke colour matching service available.  Call our sales office on 01536 511874 or email admin@rytons.com for details and pricing.

Composition:

  • Cowl and louvre grille: U.V. stabilised high impact polystyrene.
  • Multifix® Air Brick: U.V. stabilised polypropylene.
  • AirLiner® sleeve: Polypropylene.
  • AirLiner® sleeve contains recycled plastic.

Reference Material:

  • Equivalent area tested to BS EN 13141-1:2004 and independently verified by the BRE.

Handling Information:

  • Box quantity: 1 set.
  • Box size: 27.5cm W x 28.5cm H x 27cm D.
  • Box weight: 1.58kg.

NBS Specification:

Got a question? Call 01536 511874 or email us here.
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Rytons is proud to be a family run business and British manufacturer since 1972

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In case of query please call 01536 511874, thank you.

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