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InteriorInterior
Bathroom Ventilation System Through Wall
Description

A back-to-back wall mounted extraction fan installed through exterior wall. Suitable for a single wet room such as bathrooms, toilets, or laundries.

Key Features
  • Simple and effective: The most straight forward path is often the best one
  • Back-to-back installations allow for extra short duct runs with no fuss and easy install
  • Exceeds Healthy Homes requirement for bathroom or laundry ventilation
  • Intermittent extraction, single speed, with wall switch control
  • Optional: timer, humidity sensor
Scope of Use
  • Single room, intermittent extraction

Ideal for:

  • Bathrooms, toilets, laundries
  • Ground floor / mid floor installations where wet rooms are on exterior walls

Installation:

  • Wall mounted 
  • Diameter: 150mm 
  • Minimum clearance: Suitable for 90mm walls 
  • Duct run: Back-to-back install 
  • Fire protection available that is compliant to AS/NZS 15304.4:2014
Limitations on Use
  • Low voltage (SELZ) fan options should be used in Bathroom Electrical Zones 1 and 2, with remote mounted transformer installed beyond Zone 2
  • All fans to be connected to an isolating switch as per AS/NZS 3000:2018
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 25l/s for bathrooms, and/or 40l/s for laundries

Fire:

  • Fire protection available that is compliant to AS/NZS 15304.4:2014
Other Performance Attributes
  • Air Flow: 70l/s
  • Noise: 41dB(A) @ 3m 
  • Power: 29W 

Warranty

  • 1 year fan motor warranty
  • 10 years for materials and workmanship

Terms and conditions apply.

Documents
HTBKTW: Bathroom Kit Through Wall
CAD/PDF Details
External Wall Cowl
Through Wall Extract

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

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