Hot water/flow problems

15 Apr 2009
Reaction score
United Kingdom
Any ideas on the following?

It is a Worcester junior combi boiler.

Only a trickle of water at the kitchen sink on the hot side. A plumber said that the pressure was good and the tap was faulty,, but changed the tap and no different.

There was normal flow and hot water at the bath but again only when the C/H was turned on. But now flow is less and intermittent hot water at varying temperatures. Now also notice 'rust particles' in the bottom of the bath, (and inside shower head) about the size of tea leaves.

As the water supply to the kitchen sink has got progressively worse over the months,, and it now seems to be effecting the bath supply,, are these rust particles gradually blocking the pipe,, and what causes them?

The kitche sink is about a 10-12 metre run from the boiler,,, the bath about 3 metres.
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