Recent content by waynetheforestfan

hi - thanks i did what you said - although i had to cut some of the stub stack off as the air admittance valve was solvent wlded in! - then the toilet flushed! i bought a push fit aav and it is fine now, only thing is my stub stack is about 5-6 inches shorter now-not that it makes a...

How do you test to see if an air admittance valve , like on top of a stub stack, is working correctly ? as looking under the toilet will not flush FAQ section it says this may be a cause and i am a bit confused how to check for this. please can anyone clarify? thanks in adv.