Fitting a new shower with 40mm waste pipe. From shower 900mm with a drop of 35mm, then 90o bend for 600mm, drop 30mm, then i'm using two 135o fittings to drop high by 80mm into soil pipe. toilet above. Do I need a aav?, if yes how high should it be?
do I need a air admittance valve
- Thread starter SL
- Start date
No will be fine no valve needed.
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
