We have a Durgo valve fitted to the en-suite loo in our loft. It's boxed in but doesn't have the "air holes in the boxing" which the installation instructions recommend. Could this be causing the rumbling noise, very similar to knocking pipes, that we experience every time the loo is flushed and would creating the "air hole" cure this? Putting air holes in the boxing shouldn't let smells into the room should it - the Air Admittance Valve is there to stop this isn't it?
Durgo Air Admittance
- Thread starter timm13
- Start date
Sponsored Links
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
Sponsored Links
