It is usually recommended to fix an issue with low pressure in a boiler by topping up the system pressure. This is quite simple to do using the internal filling loop. But if the problem is being caused by a leak, it is only a matter of time before it reoccurs. If this is the decision you take, be sure to get a quote from Heatable. Heatable is an online installation firm that offers some of the best prices on a wide range of high-quality boilers from Potterton and all other major boiler manufacturers. My system originally had a multi fuel coal boiler, as we did not have mains gas in the village. We had a radiator in the loft that remained on all the time then, I think all the other rads had TRV's, and from memory I think we had a room stat in the hall but cannot remember.

One issue which is a bit more unique to Potterton boilers is the boiler beginning to heat up the radiators but then cutting off before they have got up to full temperature. If the NTC thermistor itself is damaged, the engineer should be able to replace it. This component is not terribly expensive. If you have an older boiler, you might, therefore, want to consider replacing the whole boiler with an energy-efficient new boiler that could end up saving you money in the long run. # 3 – Cold Return Pipe Potterton offers a selection of optional boiler controls and accessories to help make your heating system as energy efficient as possible. Not only that but Potteron’s boiler controls can improve indoor comfort levels and help to reduce the cost of your heating bills, provided you choose correctly. There are several different controls that you can use with your Potterton heating and hot water system, so it’s a good idea to take a look at all the options available to you before making any decisions. I will ask my mate (he never did the conversion to gas as I did not know him then) about a room stat.On your Potterton boiler, this is most likely to be indicated by error code E125 or E193 showing up on your display. 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. 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.

If your boiler is fairly old, our of warranty, and has a fault with a major component such as the PCB, it is usually wiser to replace the whole boiler rather than fix one component and then wait for the next one to fail.

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Potterton boilers are generally very good, but all boilers can develop issues, especially as they get older, and Potterton is no exception to this. But if the water in the return pipe continues to be cold, this suggests that there is a problem with the water circulating in your system.