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We had a new boiler fitted in June and the system was flushed and balanced at that time. All working well but the rad in the master bedroom will now only get lukewarm. The first time it happened I assumed it was a stuck TRV so removed the head and tapped the pin. This seemed to solve the problem...

thanks there are no fault codes and the thermostat comes on at the allotted times but the boiler doesn't respond to the request

the display shows 0 as the heating does not come on at all. No problem when hot water is requested and display shows water temp. No problem with power

Thanks for the reply. No it doesn't - nothing happens.

I have ferroli optimax 25c which has been nothing but trouble!!. the latest issue is that I have hot water but no heating. This happened prior to Christmas and the plumber that came out managed to get it working citing a problem with the pcb and warning that it could happen again. The same...

Ok thanks very much

Thanks for your reply. Sorry I am a total novice what is a pcb?

I have a ferroli optimax 25c combi but have got home tonight to find no heating. Hot water works fine and pressure is fine. Thermostat comes on in the hall but no response at the boiler. Someone has suggested this could be the diverter valve and I will get a plumber out but is there anything...

I have a 2006 mercedes c class and need to change the bulb unit in the wing mirror. i have removed the glass and the motor but don't know how to remove the unit to access the bulb unit. Can anyone please help??

thanks for your help

I have a Ferroli optimax combi boiler and recently the hot water temperature has started to vary. Running any tap will see hot water which then turns lukewarm and eventually back to hot again. The central heating works fine. Any suggestions gratefully received

thanks for your help

thanks for the reply Sorry I should have said that as well as the expansion vessel in the boiler we have an external one on the system so it shouldn't be that should it? Wouldn't this mean that water escaped via the PRV? thanks for your help

I have a ferroli optimax 25c combi boiler that is rapidly losing pressure. We have ruled out the aav and prv and suspect the leak is under the concrete floors. there is no sign of water anywhere Before we excavate just wanted to check could this be a leak on the heat exchanger as a fair...

thanks for the replies. It is a ferroli optimax condensing combi boiler. Have not seen any water in the casing.

thanks for the reply. Yes these were all done previously and prv is ok. We also had a second expansion vessel fitted outside the boiler. It is a ferroli and only a few years old

I have a combi boiler which has been losing pressure. Pressure would drop drastically overnight and I was told that there must be a leak in pipes buried in the concrete floors. Specialist contractors with thermal imaging were called and they used a specialist gas to highlight any leaks...

thanks for your help, will do that

pressure is dropping very slowly but still nothing like before the specialist leak finders have been back and are baffled. Could anything on the boiler explain this??? AAV has been replaced , the prv is not leaking and expansion vessel is ok Help!!

thanks for the reply. This started whilst still using the heating. It would lose pressure as it cooled and by morning would have dropped significantly. After stopping using the heating to test if it was the heating or the boiler I isolated the valves on the boiler and pressure would stay...