durgo valve

Hi all Can anyone recommend an external 110mm air admittance valve. One that can be easily maintained. Push fit preferably as it can just be removed/replaced if any problems. Plus needs to be white. Cheers

Hi, I am looking for a bit of help re issue with air admittance valve. I moved into a new build house over 9 months ago, our downstairs toilet always has always had a foul sewage smell. The developers have said nothing is wrong. I have checked the Durgo valve and think this is the source of the...

In our en suite bathroom the soil stack has a durgo valve that terminates at just lower than the cistern height. Whoever designed the house in their wisdom made the en suite so tight that the boxing in for the durgo / soil was basically flush against the side of the cistern - looked awful, and...

Wondering if you drainage experts could advise me please. I changed a flat roof to pitched, and along with a reworked bathroom, the soil stack needs to move. Where the soil pipe comes through the bathroom wall, my idea was to use an air admittance valve and box the whole soil stack into the...

Dear Sir's/Madam's (don't want to be sexest) Recently move house, and I am getting "intermittent" drain (egg) smells downstairs! particularly on the floor in the kitchen nearest the stack. There is an AAV (Durgo) fitted to the main stack as image (boxed in besides toilet "upstairs) All other...