Trapped air in toilet filling system

Each time the cistern refills after a flush we get a hum that sounds like trapped air. Has got progressively worse last couple of days.
Just does this with the downstairs cloakroom loo only.
Is there an easy way to bleed air from the system to stop this happening or might there be another reason for this?

Thanks as usual


  • southcoastrgi
    southcoastrgi Forumite Posts: 6,298
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    change the washer in the ball valve/fill valve
    I'm only here while I wait for Corrie to start.

    You get no BS from me & if I think you are wrong I WILL tell you.
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