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Thank you for all your input.

Thanks, can you be a bit more detailed please?

Hello All. My Ariston A23 Combi boiler has started to make a rattling sound coming from the flue and it's fan. It doesn't happen all the time but just very annoying when it does. Is this a simple fix of removing the flue 90˚ pipe and cleaning it out please or is it something more serious...

Thanks Madrab.

Thanks for replying DP. But do you have a solution to the problem please? Plus, what does pcbs mean? Regards

UPDATE: Just did another process of pushing the pressure up to just over 2 Bar and switched the heating on, then switched to service mode and swicthed back to CH, repeated a few times over a course of 5-10 minutes. Drained the pressure back down to just over 1 Bar and the hot water appears to be...

Sorry but it should write.... With this process, the problem goes away but slowly creeps back in, which kinda tells me it is NOT a ignition/burner problem.

Thank Madrab. Apologfies for not getting back to you sooner but my email alerts on this topic are not working! Also apologies for not explaining about the 2.5B. That was the instruction to riase it to when switching between CH and service. Once this was complete, I reduced the pressure back do...

Hello. I know alot of you don't like the Arsiton Combi A23 but I am still running my trusty combi as I can't afford a new replacement. Please can anybody advise what I can do about sorting out the hot water problem? I run the HW and the burner ignites then quickly goes off. Sometime it will...

Thanks for the explanation. Nice to know.

Thanks for your info. Everything appears to be fine, apart from the usual age on parts thing. Please expand on your comment on illegal installs....

Hello All. Please can anybody tell me what the PSI/Bar of an expansion vessel should be with an Ariston Eurocombi A23? The system pressure is set just above 1 Bar. Thank you.

Thank you crank39 for the top info. Will do.

Many thanks for replying, Jurassicspark.

Happy New Year all. I am looking to replace the sealant on my UPVC door/window frame (externally) where the frame meets the brickwork, after finding a huge gap that is now filled with expanding foam. What is the best sealant please? Silicone or something else? I have attached an image...

Thanks for replying and clearing that up!

When the CH kicks in the fan (Part 57) has started to become rather noisey. Am I able to get to it myself and give it a clean or is it a 'book and engineer in' to get it looked at please? I have been told not to remove the quarter pipe as it may break the seals. Is the fan situated inside the...

Just to follow up on how I corrected this, for future reference, I was told to turn the pressure up to 2.5 bar, turn the central heating on, let it run hot, then switch over to test mode and let that run then switch back to central heating then back to test mode. This cured it! So I then...

Thank you for all your replies. I drained the system and removed the heat exchanger and cleaned it out with SoS. I also stopped the leak coming from the Pipe main flow positive and negative signal by repalcing the o rings. So far, all is going brilliantly. As for the comments about the...

Hello All. Just recently, when I turn on the hot tap, the boiler fires up to heat the water but then goes out immediately, only for it to come back on a few seconds later. The hot tap has been constantly running during this time. Anyone have any suggestions in helping to cure this problem please?