Ive got heating but no hot water

Question

When I switch my boiler on I have heating but no hot water. Can someone advise please?

Craig · Accepted Answer

Have you got a combination boiler or or cylinder and boiler suspect motorised valve

Mark · Answer

If it’s a combi boiler. Probably the divertor valve. If heat only boiler the three port valve or controller

Kori · Answer

If you’ve got a thermostat, and a reset option, try that first. Alternatively try operating your boiler manually, if that still fails, it could likely be your diverter valve on the boiler.

Dean · Answer

Is it a combi boiler or standard regular boiler? If combi then the diverter valve may be the issue and if regular then most probably the zone valve

Saqib · Answer

Hi.
Quite possibly you require a new diverter valve, as
it may have become stuck, on a combi boiler it switches from hot water to heating  but when it gets stuck you either get one or the other but not both.
Hope that helps.

Paul · Answer

This is usually a faulty 2 or 3 port motorised valve which is found by your hot water cylinder.

Alexandra · Answer

Hi,

Possibly you need a new diverter valve, it may be stuck.

Anthony · Answer

Depends on your system, if you have a cylinder then the first place to look is the zone valve.

Ive got heating but no hot water

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