9" x 3" Manthorpe Extendable Combination Cavity Wall Sleeve Vent

 

 

Extendable Cavity Wall Sleeve Vent 

 

Menu Options

 

9" x 3" Inch

 

 

Ventilation for heating and gas appliances with integral wind baffle.

This vent is to increase the airflow in a room to eliminate condensation with this sleeve vent for heat producing appliances.

Extends to suit wall thickness of 190mm - 335mm.

Additional G935 extension sleeves available in menu options.

Each pair of extension sleeves adds on a extra 120 - 280mm.

Finished with 9" x 3" louvre vent for internally and air brick for externally.

Aesthetically pleasing and simple to install modular system.

Provides a maximum equivalent area of 5500mm² of free air space.

Meets NHBC requirements for the control of condensation in buildings.

Manufactured by Manthorpe Building Products with the exception of air vent

Other Manthorpe adapters and fittings for this product available in our shop.          

 

 

Use

To provide ventilation for heat producing appliances To provide background room ventilation Individual ventilation sets can supply up to maximum appliance rated input of 18kW (61,500 Btu/h) For new build, refurbishment and remedial work

 

 

Features & Benefits

Aesthetically pleasing and a simple to install modular system Excellent airflow properties Independently tested by BRE Offers reduction of draughts and light compared to basic through wall ventilation Internal finish with open louvre grille

 

 

Regulations & Standards

BRE Digest 17 BRE Digest 262 Building Regulations C4 NHBC Standards 5.2BS 5250:2011 Control of Condensation in Buildings