In an earlier contribution to this discussion,
Ian & Hilda Dedic wrote:

Hi Chaps,
I have a wickes bath mixer tap with a shower hose outlet which may be
scaled up. The flow to the tap outlet is fine but the pull up diverter
lever is very stiff and results in a much reduced flow from the shower
head. This thankfully is not our main shower.

Am I right in thinking the diverter valve has become scaled up? We are
in a very hard water area, and the shower hose is not much used,
especially now the flow is so poor.

Is there any way I can de-scale the tap, or is there some other fault
that this is symptomatic of.

Any suggestions (except the angle grinder one!) or links to how to
pages greatfully accepted.

dedics

Well, there's a blockage somewhere - but it could be in any one (or more) of
3 places - so a bit of investigation is required.
1. The diverter part of the tap
2. The shower hose
3. The shower head

When you remove the head, how much water comes out of the end of the hose?
When you remove the hose from the tap, how much water comes out of the
nozzle to which it attaches?

Answers to those questions should give a clue as to the root cause of the
problem.

The shower head is perhaps the most likely candidate because it has a lot of
small holes which are easily blocked. Soaking it overnight in vinegar
sometimes helps by dissolving the scale - even better if it comes to bits
easily - otherwise just soak the whole thing.
--
Cheers,
Roger
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