Frequently Asked Questions and Technical Support. Providing the correct amount of air for both combustion and ventilation for appliances is very important.
Insufficient air supply can and has led to tragic results and is equally important for gas, oil or solid fuel burning appliances. You should be aware of your legal obligation under the 'Building Regulations' and the 'Gas Safety (installation and use) Regulations 1998' to install the appliance correctly with sufficient air provided. In principle, the appliance not only burns the fuel but uses the oxygen in the air for combustion. If sufficient fresh air is not provided then the unit will use the available oxygen from the air in the room. If the air supply to the appliance is inadequate, the flue will fail to clear all of the combustion products and as a result some will spill into the room itself.
When replacement windows and doors have been installed as refurbishment work in a building, ventilation to a room is very much reduced. Stadium BM701/5 Anti Draft Black Hole Vent 9"x6" (Brown Airbrick) - On-Demand Supplies. Passive Ventilator - Through Wall with Cowl 9 x 6 - Damp Shop Direct. Re Vent - Passive House Ventilation 5" supllied by Damp Shop Direct Ltd. Missing or Broken Files When you get a 404 error be sure to check the URL that you are attempting to use in your browser.This tells the server what resource it should attempt to request.
In this example the file must be in public_html/example/Example/ Notice that the CaSe is important in this example. On platforms that enforce case-sensitivity example and Example are not the same locations. For addon domains, the file must be in public_html/addondomain.com/example/Example/ and the names are case-sensitive. Broken Image When you have a missing image on your site you may see a box on your page with with a red X where the image is missing.
This varies by browser, if you do not see a box on your page with a red X try right clicking on the page, then select View Page Info, and goto the Media Tab. In this example the image file must be in public_html/cgi-sys/images/ Notice that the CaSe is important in this example. Passive Air Vent - Through Wall Vent - 9 x 6 Airbrick - by Damp shop Direct. GoFixIt - Stadium Wall Vents - Buy quality Stadium Wall Vents online at Gofixit.co.uk. Stadium BM701-3 Black Hole Brick Ventilator. Caspian Grilles. Periscope and Cavity Wall Sleeves combined with Windsor Metric Interlocking Cast Iron Air Bricks from The Cast Iron Air Brick Company. Designs and Uses The periscope and cavity wall sleeves are supplied complete with our external interlocking "Windsor" cast iron air bricks.
Periscope vents are used in block and beam installations and for sub floor ventilation in timber floors. They have a cast iron air brick fitted externally and an integral internal plastic grille. The PER3 is suitable for walls of 250mm thick and up to 5 brick courses high - this can be extended for thicker walls using the PERHEXT Horizontal Extension or for more brick courses using the PERVEXT Vertical Extension.
The sub floor vent ducting can be extended using a PERRND Round adaptor and adding 4" (100mm) diameter ducting to vent remote areas . Cavity wall sleeves allow air into rooms for ventilation. The Windsor cast iron air brick fits into the modern plastic ducting and although available in just one size, the Windsor is an interlocking air brick that can be doubled or tripled to fit the larger sleeves and make a larger vent.