You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

Kitchen Ventilation System Through Wall via Bulkhead

A rangehood system for kitchen ventilation, installed through mid-floor or bulkhead with up to 1.8m of 150mm ducting.

Key Features
  • Flexibity — more options for the location of the installation
  • Design assistance: Hometech staff are available to advise on design requirements and if required offer a design service suitable for PS1
  • Exceeds Healthy Homes requirement for kitchen ventilation
Scope of Use
  • Single room, kitchen extraction
  • Suitable for rangehood installations on interior walls
  • Duplexes, townhouses, apartments
  • Extract through bulkhead or mid-floor


  • Diameter: 150mm 
  • Duct run: up to 1.8m
Limitations on Use
  • All fans to be connected to an isolating switch as per AS/NZS 3000:2018.
  • Sufficient replacement air is required for extract efficiency
  • Rangehood fire requirements should be co-ordinated with the fire engineer at design stage
  • Rangehoods to be hung after painting and cabinetry install
  • Power point should be supplied
Statement of Building Code Compliance
  • Meets the following provisions of the NZBC:

    • B2: Durability
    • E2: External Moisture
    • G4: Ventilation

    Healthy Homes:

    • Extraction air volume exceeds 50l/s for kitchens
Other Performance Attributes
  • Air Flow: >50l/s
  • Noise: 58dB (low power)
  • Power: 102W 

Warranty & Maintenance 

  • 2 year rangehood warranty
  • 10 years for materials and workmanship
  • Grease filters to be cleaned regularly

Terms and conditions apply.

HTKKBH: Kitchen Kit via Builkhead
CAD/PDF Details
External Wall Cowl

Hometech, the ventilation specialists, have been helping Kiwis for over 30 years to create healthier homes.

Product Enquiries

News from Hometech

Ensure a Cool Summer with Hometech's Solar Fan NEW
Hometech Provides Extract Ventilation for Kāinga Ora Project
Minimise Moisture in the Roof Cavity
Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.