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I have a 6 year old Halstead Ace High boiler which has many recurring problems due to a bad fitting. It was never flushed out causing the heat exchange needing to replaced TWICE through clogging and then there were problems with the inflation device so a new one was added to the exterior of the boiler. Now the pressure won't repressurise past 0.5, there is no sound at all when the valve is turned. Hot water comes and goes with the boiler switching itself on and off after a few minutes so showering is usually a very streeful and chilly experience! Have spent so much on it but it never seems to work for long. The water pressure is low in general as we share our water with our restaurant downstairs although they have their own boiler. The house has a shower room, one bathroom and 2 kitchens. If someone is using water elsewhere in the building then there is little if any water available to use until they finish. I have been offered many different solutions, all of which are way over my budget: replacing the boiler with a new one, adding an extra boiler, getting a seperate water supply fitted... I'm at a loss what to do, please help!!

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Firstly your system needs a power flush to get rid of the grot, then it needs a good inhibitor to slow up the reappearance of the sludge.

Changing the boiler won't help. Any boiler will get clogged up but the halstead DHW heat exchanger is particualrly prone to getting gummed up. You can clean this out and refit without having to buy a new one. - but without a power flush it will happen again.

Posted on Apr 16, 2009

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