Limescale– If there is a build-up of limescale on the NTC Thermistor, this can affect the sensors ability to measure temperature. If it measures the temperature incorrectly, this means it is likely your boiler will be unable to get hot water up to temperature.

In this guide, we have outlined the five most common problems you are likely to encounter with your Potterton boiler. We have explained what the cause of the problem is likely to be and also what is needed to fix it. The cause of this issue is usually the sensors inside the boiler that monitor the temperature of the water it is heating up. This is the fan and your boiler needs to know that the fan is operating before it can switch other components on. If the fan isn’t recognised, the boiler will not start and if the signal is intermittent, the fan may end up switching itself off and on repeatedly.

In this guide, we look at the various types of Potterton boiler controls and what they can do for you and your home. Potterton Electro-Mechanical 24 Hour Timer This is a problem that you will need an engineer to help you fix. If the problem is being caused by limescale, the engineer will be able to clean things up using specialist chemicals. He will probably do this by carrying out a hot flush. There are also various different fault codes that your Potterton boiler could generate. These include E131, E133, E151, E152, E160 and E161. How to Fix it: Low boiler pressure is a common problem with all boilers and Potterton boilers are as susceptible to this as any others.

A relatively common issue with older Potterton boiler models such as the Potterton Promax, Suprima and Profile models is an issue where the heating works but there is no hot water. Where the problem is a major one, you might end up deciding to buy a whole new boiler. If you do, we have recommended Heatable as the place to look for the best priced new boilers around.Both of these problems usually come down to an issue with the diverter valve. The diverter valve is the component in your combi boiler which directs hot water to either the taps and showers or towards your radiators. On your Potterton boiler, this is most likely to be indicated by error code E125 or E193 showing up on your display.