I've a bath tap/shower mixer. When the shower's selected, there's a considerable dribble through the bath outlet, reducing the flow rate to the shower head.
The shower's selected by pushing a plunger on the mixer.
This seems to be the offending part: tinyurl.com/k3tqu8e
When fitted into the vacant groove, the rubber O ring seems to be a little too large to drop into the hole and completely block the flow to the bath outlet. I don't recall ever replacing it.
The O ring dimensions are: ID 23.4mm, OD 30.5mm, cross section 3.4mm (as close as I could measure them). The groove the O ring fits into is 25mm.
It's an old fitting and may well be imperial, in which case the dimensions would be: ID 15/16", OD 1 3/16", cross section 1/8".
Anyone with plumbing experience suggest a fix before I venture round the usual places with my vernier gauge?
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Plumbing problem new
Plumbing problem new
