What is 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.

Do air admittance valves smell?

air admittance valves only let air in,that is if they are installed correctly,but they can not do anything about back pressure in system ,this can push smells through traps and into the room.it could be syphonage of one or more traps,due to poor pipework installation,but is more likely to be shower wastes that are the …

How long does a Durgo valve last?

Remember that these valves should last anywhere from 20 to 30 years, so if they are only lasting for a couple of years, there may be some problems that need addressing.

How does a Durgo air admittance valve work?

It stays closed and sealed at normal and excess pressure. Durgo Air Admittance Valves have high airflow capacity and a reliable construction in ABS plastic with a EPDM rubber sealing. All Durgo Air Admittance Valves are tested, checked and CE labelled in compliance with current standards.

What do you use a Durgo manifold for?

Durgo valve manifolds are used for shutting off/filling water and oil. The manifold is a stop valve, a non-return valve and a vacuum valve all rolled into one that prevents backflow. It also has connection points for a safety valve and a drain valve.

Can a toilet be capped with a Durgo valve?

While this assumption is true, they can sometimes be capped, provided certain Building Regulation rules are met and a Durgo Valve is fitted. When a toilet is flushed, air is pushed down the drain pipe and additional air needs to be sucked in to replace it.

Can a Durgo valve be installed in a block of flats?

It’s not acceptable to terminate the main pipe vent and fit a Durgo Valve in a large multi-occupancy building such as a block of flats. Neither would it be acceptable to construct an entire street of houses without providing adequate provision for the release of gases.