Why is my boiler giving me hot water but no heating?

Why is my boiler giving me hot water but no heating?

If you’ve got hot water, but no central heating then there are more issues it could be if it’s not the thermostat or the boiler pressure. Common reasons for this particular fault are broken diaphragms and airlocks, or a motorised valve failing.

Why does my Potterton boiler not fire up?

Like most boilers, fan faults like this on a Potterton can be narrowed down to: Loose or damaged wiring – the circuit board isn’t receiving the signal it needs. A faulty air pressure switch – the switch is sending the wrong signals to the boiler.

Where is the diverter valve on my boiler?

It’s usually a lever that’s situated behind the bath taps that you can pull up or push down. System and conventional boilers don’t require a diverter valve.

Who do you call if your boiler isn’t working?

Turn the boiler off and call the emergency gas line on 0800 111 999. And if your pilot light persistently blows out, have a Gas Safe engineer take a look at it.

How do you fix a boiler that won’t ignite?

If you still can’t light your boiler, there could be debris blocking the jet. Boiler pilot light jets are relatively cheap to replace but can also be removed, cleaned and re-installed. Your heating engineer will be able to advise you on the best course of action and replace the jet accordingly.

How do you fix a boiler flame failure?

To reset the boiler, turn the selector switch to the R (Reset) position. Hold for at least 5 seconds and release. The fault code will be replaced with the boiler’s current temperature. At this point on a neon indicator boiler model, the flame failure light will stop flashing and will be replaced with the burner light.

How do I know if my diverter valve is faulty?

Symptoms of a faulty diverter valve

1. Taps not getting hot water. The most common symptom of a faulty diverter valve is when you don’t get any hot water to your taps and showerheads.
2. Lots of hot water, but no heating.
3. You have hot water only if the heating is on.

Why would my boiler stop working?

There are a variety of reasons why your boiler may not be working; common examples include the boiler pressure being too low or too high, a power cut, gas supply issues, a faulty pilot light, a frozen condensate pipe, faulty internal components or a more complex issue.

What do you do when your boiler isn’t working?

Boiler not working? Try these 5 fixes before calling an engineer

1. Text Version.
2. Run through the basics.
3. Have you had a power cut lately?
4. Check the boiler pressure gauge.
5. Turn up your thermostat.
6. Reset your boiler or check the pilot light.

How do I get the pilot light back on my boiler?

If your boiler has an automatic pilot light, you can ignite it by following these steps:

1. Switch off the boiler at its electrical switch.
2. Take off the boiler’s access panel.
3. Turn the boiler’s gas control knob so it is in the off position.
4. Let the gas dissipate.
5. Turn the knob to its on position.

How do you reset the pilot light on a boiler?

How do you relight the pilot light on a boiler?

1. Turn the gas to ‘pilot. ‘
2. Press and hold the reset switch for one minute and hold a flame to the pilot light at the same time.
3. If all is working as expected, return any casing/doors and turn the gas from ‘pilot’ to ‘on.

Why is my Potterton Combi 80 boiler not working?

I have a Potterton Combi 80 boiler. This evening the central heating won’t come on (it was working fine this afternoon). The hot water works fine. The flame light comes on when I open the hot tap & hot water comes out.

What happens when you turn on a Potterton boiler?

This is an issue that can occur with all boilers and Potterton’s are no exception. When you switch on your central heating, it will push hot water around your central heating system and eventually, that water will return slightly cooler to the return pipe.

Is the combi boiler hot water but no heating?

Discuss Combi boiler, hot water but no heating in the Central Heating Forum area at PlumbersForums.net Not open for further replies. i have an Ideal Espirit 2 boiler, the water is working perfect but the heating is not working.

What causes an error code E125 on a Potterton boiler?

Blockage – A blockage somewhere in your central heating is preventing water from circulating properly. This is usually caused by a sludge build-up. On your Potterton boiler, this is most likely to be indicated by error code E125 or E193 showing up on your display.

I have a Potterton Combi 80 boiler. This evening the central heating won’t come on (it was working fine this afternoon). The hot water works fine. The flame light comes on when I open the hot tap & hot water comes out.

This is an issue that can occur with all boilers and Potterton’s are no exception. When you switch on your central heating, it will push hot water around your central heating system and eventually, that water will return slightly cooler to the return pipe.

What to do if your boiler is working but you have no hot water?

If your heating is working but you have heating but no hot water or vice versa, it is likely to have become stuck. You will need to contact a Gas Safe engineer to solve a problem with your diverter valve .

Blockage – A blockage somewhere in your central heating is preventing water from circulating properly. This is usually caused by a sludge build-up. On your Potterton boiler, this is most likely to be indicated by error code E125 or E193 showing up on your display.