Heating fine but no hot water in Brownhills? Usually the diverter valve, not the boiler. Clayhanger, Walsall Wood, Pelsall and Shire Oak.
If the radiators are warm and the taps are not, the boiler is lighting and burning perfectly well. It is just sending the heat to the wrong place.
On a combi, that is the diverter valve. In the older Brownhills houses that still have a cylinder in the airing cupboard, it is the motorised valve or the cylinder stat. Both are parts. Neither is a reason to be quoted for a new boiler.
A diverter stuck towards the heating side gives you this exact fault and nothing else. It is 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 radiators and cold taps. The boiler is blameless.
The water here is hard. A scaled plate exchanger gives lukewarm water that fades to cold. That 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.
A diverter valve is usually a one-visit job of one to two hours. Where a part has to be ordered, it normally arrives the next day. You are not left for a week.
A photo of the boiler and its display. Say if you have a cylinder. Tell us whether the water runs cold throughout or goes warm and then fades.
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. You should not be 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.
Which part failed. A valve is simpler than an exchanger. The engineer confirms it first, then quotes for that part and the labour.
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