Hot weather causing smelly bathroom

[Charlie080]

Hi,

In anyone's experience, does hot weather have an impact upon air admittance valves?

We have an AAV in out WC (see photo) and in the hot weather the bathroom stinks of sewage. Any ideas of what could be causing this?

Thanks

 

[Burger]

Might be nothing to do with AAV,and more drying out of a trap seal (known as evaporation).

 

[rpm]

Straw or pencil down every waste trap until you find the dry one.

 

[Rob Foster]

It is best to drop some bleach down each trap inc.all bogs and washing machine traps after putting clear water down first.
We do this in the holiday lets in hot weather and when we close up for the winter and leave the plugs in sinks and basins
Rob Foster aka centralheatking

 

[WC1]

The Mk1 human nostril is often the best detection device here.
It's rare but the aav can fail open, more common when used outside.
It can also fail closed which will pull the trap out of the basin.
But if it's hot weather related then evaporation your best bet.

 

[oz-plumber]

AAV's are over used and over rated.

I've installed about 5 in 25 years - only on sinks or basins where absolutely necessary.

I would never install one on a Stack or Pan.