Hi, could anyone please tell me what this is please?
It's behind the toilet, if I hold the top part I can push it down.
Does it need a maintenance?
Thanks
Automatic air vent for the stack by the looks of it - it will probably push down (and the black pipe it's attached to) as the pipe isn't tightly gripped by the push fit boss in the stack.
It may be able to be removed, cleaned and refitted but if there isn't any issues then best to leave alone.
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