The fitting of the Durgo valve itself is not a tough task, as most Durgo valves are able to simply be clipped into place. Get a Price Can You Fit A Durgo Valve Yourself? However, if you are unsure, always seek advice from your local building authority. They cover the fact that you may need to have a separate ventilation pipe in your home as well as the Durgo valve, this is so no back-pressure can build up and cause any damages. This is because these valves must be higher than the highest point of water flow such as a sink basin, toilet or a bath, usually around 200mm higher.īefore going ahead with a Durgo valve, there are some ambiguous regulations you may need to look at. Often enough, the air admittance valve is installed in the loft space of the property. Instead of penetrating the roof, the ventilation pipes can now be capped off inside the home with the use of an air admittance valve. Over time this will cost you a lot of money to repair, considering it is something easily avoidable with the installation of a Durgo valve.
You may be aware that anything that penetrates from the roof, or calls for the roof to be modified in any way, such as a ventilation pipe, can often leave cause for concern when it comes to leaks and other damages. The introduction of the Durgo valve, or air admittance valves, has helped reduce the number of ventilation pipes penetrating through the roof. Often enough, there are times where numerous pipes are used for a single property, usually larger commercial buildings. To combat this, most properties are fitted with a ventilation pipe, which is fitted on the end of your soil stack, then fed through the roof of a property. Air will also be sucked in through the taps and sinkholes, creating slow drainage, gurgling sounds and water bubbling up from the sink. The flushing creates negative pressure in the drainage system, and syphons the water traps – these are the ‘U’ shaped pipes you often find under your sink – which in turn, allows sewage gases and unpleasant smells to escape into the home. When you flush the toilet or pour any liquids or wastewater down a plughole, the air is flushed down the pipe, therefore more needs to be able to come in and replace it. Things to Consider When Installing a Durgo ValveĪir admittance valves are used in the air ventilation and drainage system in your home. Hiring a plumber to fit a Durgo valve and modify soil pipe They simply fit onto the existing soil stack, but instead of needing to be ventilated out the roof, you can keep it inside as it does not allow bad gases or smells to escape. So, you may want to consider having a Durgo valve fitted if you do not already have one. These types of installations can often be unsightly, numerous and often lead to roof damage such as leaks. They had to be a certain distance above rooms and windows, making the installation a difficult task as it involved roof work and a lot of labour. They allow the circulation of air around drainage systems, which essentially allow trap seals to work properly.īefore the introduction of Durgo valves, most air ventilation was done through a soil stack which left the house through the roof. Ventilation needs to be present in rooms where there are waste and soil drainage, such as in bathrooms and kitchens. Simultaneously allowing for air to reenter the pipes after the wastewater has flowed through.
When a toilet is flushed or wastewater is being drained, it creates negative pressure, the Durgo valve allows the air pressure to balance out, whilst allowing for effective ventilation. It allows for the ventilation of waste gases and air, such as from waste pipes.
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