ACH75LP – Rytons High Rise LookRyt® AirCore®

General Details

ACH75LP – Rytons High Rise LookRyt AirCore

  • Retro-fitted core ventilator, fitted from the inside, for the provision of combustion air vent for boilers, stoves and fires.
  • Tube contains a system of baffles to reduce light and draughts.
  • For high-level installations and rendered finishes as no external fixing required.
  • Note: Not suitable for use in relevant buildings with a storey 18m or more above ground level, where fire-rated materials are a requirement.  Use Rytons A1 fire-rated single air brick and double air brick ventilators and ducting kits as an alternative.
  • Draught reducing panel disperses air evenly for improved comfort.
  • Paint or wallpaper the panel to match room décor for a discreet appearance.
  • External water baffle prevents transfer of water across the cavity.
  • External grille U.V. stabilised to slow down the effects of sunlight.
  • HETAS approved for use with solid fuel appliances.
  • LookRyt Panel: Patent No. GB 2490138.

Equivalent Area:

  • 6,800mm² (68cm²) per unit (tested to BS EN 13141-1:2004 and independently verified by the BRE).


  • Tube: 127mm (5″) Dia. x 358mm L (if required, a maximum of 63mm may be cut from each end of the tube).
  • LookRyt panel: 172mm L x 172mm H.


  • Terracotta: ACH75LPTC.
  • Buff/Sand: ACH75LPBS.
  • White: ACH75LPWH.
  • LookRyt panel: Magnolia (may be painted or wallpapered to match décor).


  • External grille: U.V. stabilised high impact polystyrene.
  • Tube: High impact polystyrene (contains recycled plastic). Softening point: 70ºC. Melting point: 120ºC.
  • LookRyt panel: High impact styrene. Melting point: 160-180ºC.

Handling Information:

  • Box quantity: 1 set.
  • Box size: 44cm W x 19cm H x 22.5cm D.
  • Box weight: 0.719kg.

Reference Material:

  • Equivalent area tested to BS EN 13141-1:2004 and independently verified by the BRE.
  • Also refer to: The Building Regulations, Approved Document J,
  • The Building (Scotland) Regulations, Mandatory Standard 3.21,
  • The Building Regulations (Northern Ireland), Technical Booklet L,
  • British Standard BS 5440-2,
  • British Standard BS 5871-3 (decorative fuel effect gas fires).

NBS Plus Specification:

Fitting Instruction Sheet