Hi,
I have just had an extension built. A new soil vent stack was installed for 2 toilets, 2 basins and a shower tray.
The vent stack is vented into the garage loftspace with the use of an air admittance valve.
Very early on after completion I had problems when flushing one of the new toilets. The water level would rise and it would take longer for the water to clear. The plumber, returned and said he had adjusted the valve.
I started reading about these valves and struggled to think how this could be carried out. The top of the vent stack was above the plastered garage roof. There was a small hole where the soil pipe ran. I cut a larger hole only to find that a section of the pipe and the valve had been removed and was lying above the ceiling. The pipe was open and venting into my garage roofspace.
I have had many problems with the building firm and would appreciate any opinions on the above before I contact them.
I have just had an extension built. A new soil vent stack was installed for 2 toilets, 2 basins and a shower tray.
The vent stack is vented into the garage loftspace with the use of an air admittance valve.
Very early on after completion I had problems when flushing one of the new toilets. The water level would rise and it would take longer for the water to clear. The plumber, returned and said he had adjusted the valve.
I started reading about these valves and struggled to think how this could be carried out. The top of the vent stack was above the plastered garage roof. There was a small hole where the soil pipe ran. I cut a larger hole only to find that a section of the pipe and the valve had been removed and was lying above the ceiling. The pipe was open and venting into my garage roofspace.
I have had many problems with the building firm and would appreciate any opinions on the above before I contact them.