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    Potterton Combi boiler not firing for DHW

    Apologies for the delay in updating but the boiler is now working again! I took your advice and had a look at the valve cartridge which was broken up and stuck inside the assembly. I had to wait over Xmas for parts to arrive but now have replaced the entire assembly/motor/cartridge (as the...
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    Potterton Combi boiler not firing for DHW

    Do you think it is stuck in the CH position? In DHW only mode I get the same lukewarm water through
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    Potterton Combi boiler not firing for DHW

    Noticing today that while the symbols are all showing correctly the water is not getting up to temperature (e.g if DHW is set to 55 degrees the boiler is only showing ~45 degrees upon heating) I had the heat exchanger replaced around a month ago as it was gunked up and it has worked fine since...
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    Potterton Combi boiler not firing for DHW

    Tap symbol is showing when hot water taps are turned on. Only the burn light failed to come on I turned the boiler off including power supply for around 10min while looking over the circuit board for any signs of wear and it has now started working again. So completely unsure of what the issue...
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    Potterton Combi boiler not firing for DHW

    Potterton gold Combi boiler is firing and heating CH but not for DHW. The burn on light is not coming on at all for DHW leading to a lack of hot water. Any ideas on what this could be?
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    Combi hot water ebbs and flows

    Replaced the heat exchanger over the weekend and had my first consistantly hot shower since moving in! The existing exchanger it was completely gunked up on the DHW side. Thanks again for the advice on fixing this!
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    Increasing mains water pressure with Mainsboost

    Hi, I currently have a combi system and would like to increase the water pressure for all outlets (mainly shower). I have been looking at the stuart turner mainsboost flomate mbf 12 as this states it increases mains pressure by 1.5bar...
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    Combi hot water ebbs and flows

    Thanks for the quick response. Is the secondary heat exchanger something i should look at trying to descale or replace entirely?
  9. Y

    Combi hot water ebbs and flows

    I have a Potterton Gold Combi 28 HE on a brand new system following full renovation. However I am unable to get a consistant flow of hot water to any outlet. The temperature holds as hot for around a minute before fluctuating between luke warm and warm. Boiler has previously been sat in dry...
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