How high should Durgo valves be?
How high should Durgo valves be?
Air Admittance Valves must be installed on a soil pipe at least 200mm above the highest water entry point on the system – that is the highest point that water can normally reach in a soil pipe.
Where should I put my Durgo valve?
Location/Placement. Durgo Air Admittance Valves must be placed no lower than the highest exit point of any toilets, baths, basins or sinks in the home. They are usually placed in the loft space, in a cupboard or boxed in with plasterboard, although some form of ventilation is required.
What is the minimum height of an air admittance valve above the highest spillover level?
1. 82mm and 110mm Polyvalves should be fixed above the spillover level of the highest appliance draining into the soil stack.
How high does a soil pipe vent need to be?
900mm
It states that the opening of ventilating pipes should be located at least 900mm above any building that’s within three metres of the pipe. The vent is also required to be protected with a wire cage or perforated cover to prevent debris or birds from entering it.
What is the purpose of a Durgo valve?
Durgo valves, also known as AAV or air admittance valves, are valves that assist with rebalancing the pressure within a soil or waste pipe, returning this back to normal levels.
How high should a vent stack be above the roof?
Unless a roof is to be used for any purpose other than weather protection, extensions of vent pipes through a roof should be terminated at least 12 inches above the roof. The vent should be extended at least seven feet above the roof if it is to be used for something other than weather protection.
What is a Durgo valve used for?
The Durgo valve is designed to reduce the number of ventilating pipes and subsequent roof penetrations in domestic, commercial and public buildings. Suitable for use in sanitary pipework systems up to ten storeys high, the valve must be fitted in a vertical position above the flood level of the highest appliance connecting to the stack.
How close to a window can a Durgo valve be fitted?
A pipe ending in the loft space or even inside the home with a Durgo Valve fitted The preferred option is to have a pipe exit out into the airspace above the roof, at least 3 metres from any opening window. Unfortunately, there are occasions when it’s impossible to locate a pipe outlet at least 3 metres from a window.
Where should durdurgo air admittance valves be placed?
Durgo Air Admittance Valves must be placed no lower than the highest exit point of any toilets, baths, basins or sinks in the home. They are usually placed in the loft space, in a cupboard or boxed in with plasterboard, although some form of ventilation is required. Below is an image showing a typical loft setup:
Is the Durgo at the end of a drainage run?
Apparently you’re not meant to durgo the end of a drainage run (Underground run), so if your one of the first houses, you’re OK, if your the last then it’s a vent through / around the roof, allegedly !! Does anyone know why the Durgo must be placed above the highest flood level? Reason I want to know is that I can’t understand the logic.