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The Wall Liner is used to line the cavity produced in the substrate and with flanges that match that of the vent to produce a clean professional looking installation.
Please get in touch with us if you are experiencing difficulty downloading the ‘WAL Drawing’ PDF. We are currently investigating ongoing issues with this download for users outside of the UK.
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The Cover Grille(s) can be fitted directly to both the vent and Wall Liner through the provided fixing holes. This helps to protect and hide the vent while not impeding on the Free Vent Area.
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The Extension Sleeve allows the Vent to be installed in deeper walls. Each Sleeve increases the depth of the installation by upto a maximum of 75mm.
The Sleeve simply clips onto the back of the Wall Liner or Weather Louvre allowing for easy installation.
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The Weather Cowl (used on unit models 0301 & 0501 ONLY) ensures the vent is protected from the outside elements while not impeding the FVA performance.
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Aprecos High Free Vent Area (FVA) Weather Louvre used on external installations offers a large 65% FVA while ensuring the vent is protected from the outside elements.(The Louvre is used on unit models 0303 & upwards).
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Security Weather Louvre
Designed specifically for use with Apreco’s range of Pressure Relief Vents with low loss 65% Free Vent Area. Robust design with a burglar resistant rating of BR2 as graded by Exova Warrington to WCL2 issue 2: 2008 Burglary Resistant Products.
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The C-Frame Kit allows the Vent to be installed in narrow walls. Each C-Frame Kit decreases the wall depth requirement of the installation by 135mm.
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Narrow C-Frame Kit
The Narrow C-Frame Kit allows the Vent to be installed in narrow walls. Each Narrow C-Frame Kit decreases the wall depth requirement of the installation by 50mm.
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The SGL & SGM range of security grilles are designed to offer a light to medium security deterrent where Apreco Fire suppression vents and pressure relief vents could become subject to such environments.
The SGL & SGM are designed to also ensure the same market leading FVA is achieved as the Apreco vent its coupled to.
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