ACH75HP – Rytons High Rise Controllable LookRyt® AirCore®

General Details

ACH75HP – Rytons High Rise Controllable LookRyt AirCore

  • Retro-fitted core ventilator for background room ventilation.
  • Allows the introduction of fresh outside air into the room to disperse moisture, odours and other airborne pollutants.
  • For high rise constructions and rendered finishes as no external fixing required.  Fitted from the inside.
  • Tube contains a light and draught reducing system of baffles.
  • Unique draught reducing panel manually adjusted with an easy push/pull or tilt action allowing air to be controlled as required.
  • Paint or wallpaper the panel to match room décor for a discreet appearance.
  • External water baffle prevents the transfer of water across the cavity.
  • External grille U.V. stabilised to slow down the effects of sunlight.
  • Position at high level (typically 1.7m above floor level) for all dwelling types and storey heights.
  • Patent No. GB 2523676.

Equivalent Area:

  • 6,700mm² (67cm²) per set (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: ACH75HPTC.
  • Buff/Sand: ACH75HPBS.
  • White: ACH75HPWH.
  • 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: 0.656kg.

Reference Material:

  • Equivalent area tested to BS EN 13141-1:2004 and independently verified by the BRE.
  • Also refer to: The Building Regulations 2000, Approved Document F,
  • The Building (Scotland) Regulations, Mandatory Standard 3.14,
  • The Building Regulations (Northern Ireland) 2000, Technical Booklet K,
  • British Standard BS 5250.

NBS Plus Specification:

Fitting Instruction Sheet