Yes it was exactly as the guys here said, the drain far below was blocked causing an airlock. All fiddling with the air admittance valve was doing was allow the air somewhere to go which meant the water was backing up further.
In my case is turned out the main drainage pipe hadn't been laid...
Hi there
No it doesn't need any loading, it's purely clear plastic to enclose an overhead area between two points, but it still needs to allow the light fully through which was why I was thinking acrylic plastic.
Regards
Chris
Hi guys
I need some assistance from someone in the trade. I need to lay a horizontal sheet of acrylic plastic across a gap 85cm wide, so I was thinking of using 90cm wide sheet. The plastic must not sag so it need's to be thick enough to remain rigid and prevent this happening.
I can't find...
Yep stardanny you know your stuff!
OK so we have 3 toilets in our house. The hatch I lifted earlier only appears to feed the downstairs toilet, and that's never shown a problem. We realised there was another drain cover when we did the upstairs loo and no water came through
When I lifted...
Hi Daniel
Sorry but I don't understand this. Can you explain the logic, why you think it's the drains that's the issue?
Surely if they were blocked or running slow it would make no difference if the admittance valve cap was on or off but yet the issue goes away when the cap is off. Also...
Hi there. Good thought, I went outside and lifted the drain cover. All looks well..
Denso. I'd be happy to fit a new one, but certainly one piece of it is soldered onto the waste pipe so I can't remove that. Also what part exactly would be sticking closed. I expected to see springs or...
Hi guys
I'm hoping you can help me as I'm no plumber! I live in a townhouse that's about 5 years old, we moved in last summer. Since pretty much day one we noticed the shower and toilets drain slowly. In our ensuite bathroom the toilet pan can sometimes fill close to the top when flushing...