Heating fine but no hot water in Brownhills? Usually the diverter valve, not the boiler. Clayhanger, Walsall Wood, Pelsall and Shire Oak.
A diverter stuck towards the heating side gives you this exact fault and nothing else. Replaced as a valve or a cartridge depending on the boiler.
Airing cupboard, cylinder, a small motor on the pipework above it. When that motor or its thermostat fails you get warm rads and cold taps, and the boiler is blameless.
The water here is hard. A scaled plate exchanger gives lukewarm water that fades to cold, which is a different fault from no hot water at all, and often a flush rather than a part.
Which part, why, and what it costs, before the work starts rather than after.
No. Diverter valves and motorised valves are common parts and normally carried or got next day. It is a next-day job, not a week.
Usually. This particular fault does not say anything about the rest of the boiler. If age is genuinely the issue you should be told that separately, not sold it on the back of a cold tap.
Ask to see the Gas Safe ID card and look at the back, which lists what they are signed off to work on. It is a normal thing to ask and nobody genuine minds.
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