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Any ideas on the above cleaning conundrum anyone? Then i promise to be quiet! Jack

Thanks Tony. Makes sense just to clean old one with citric acid and not worry about the seal issue. Final question (promise!), as this is in a tenant's house - is there a quick or efficient way of cleaning? Ie: I suppose I have to remove HE and leave in citric over night? Can I put citric in...

Thanks Tony. Bought a new HE, arrived (Alfa laval cb16 from euro boiler parts) apparently a better replacement than the original. Problem; when I attach it, get a high pressure spray ie: poor seal. All seals find when I put original HE back on. What's going wrong? New o rings? Seem to be...

Hi All, Posted on here once before and got a great answer first time round, so relying on you guys once again! DHW is going hot and cold. When there is hot water demand, boiler fires up and gives boiling hot water, then after 20 secs the boiler flame cuts out with a click and then...

Yes that adds up, the sides are sealed and screwed underneath the front panel of chamber. Will get an RGI in to sort. Tony - thanks for your expert opinion. Jack

Hi Tony, Thanks for your help - the manual says to remove the side casing. If you were to not wanting to remove the casing then removing the gas valve in front of it would an option (for an Rgi obviously). The question is, can I remove the side casing without upsetting the combustion...

Hi Guys, Very quick one I hope. I have a heatline vizo 24 boiler. Installed 6 years ago with no problems. Over the past week or so it has has classic signs of a clogged up heat exchanger. The dhw is going hot and cold. I hoped to solve this myself by draining the boiler, unscrewing the...