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Recent content by charleszhuang

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    Savio GAIA 424S DHW problem

    Dear all, It's the Savio GAIA 424S again. (BIASI family) I had an engineer came in and replaced 2 diaphrames but still Hot water is not working. Now he says I have to change the pump which will cost £200-£300. shall I let him proceed and will it be the end of the paying? Please help...
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    Boiler dhw problem

    Also once it fires then it will continue to work till it is stoped for some time and cools down
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    Boiler dhw problem

    Why is it that when the ch is on the dhw works?
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    Boiler dhw problem

    I cannot see exactly the pin but I can see that the switch is pushed on whenever tap is turmed on. So the pin must be working. Can it be that flow pin that is slow to come out creating the problem? Sorry, what is the eye of the pump and how can I clean it please? Also what is HE? Many...
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    Boiler dhw problem

    Yes! I can see the switch now but cannot see the pin because the other parts are so near blocking the view. Yes, the safety clip holding the switch is rusty. Charles.
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    Boiler dhw problem

    it's strange, when I switch the ch on the pin comes out immediately and the dhw works fine. when I switch the ch off the pin refuses to work till a few minutes of taps on.
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    Boiler dhw problem

    Yes, I can see the flow switch. the flow switch is not rusty and not damp but it takes that few minutes and after taps on and off for the pin to come out to knock the switch on. Once it is warm then it will come on immediately the tap is on.
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    Boiler dhw problem

    Hi Tony, Thanks for your support. I did get to replace the diaphragm but it still takes at least 2.5 minutes of tap on to get the dhw going. sometimes it takes about 4 - 5 minutes of taps on to get it firing up. Can it be something else that need changing? Many thanks. Charles
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    Boiler dhw problem

    Thank you very much. I'll give it a go!
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    Boiler dhw problem

    Hi again everyone. After so much of your effort I have got the membrane but I couldn't get the 2 pipes away from the hydraulic actuator. I removed the 2 forks but the pipes refused to move away. I do not use a plier for fear of bursting the pipes. Is there any special way to get the pipes away...
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    Boiler dhw problem

    Thank you very very much. I'll try to go to Chelmsford to find the centre, failure of which I'll try the Colchester branch. Charles
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    Boiler dhw problem

    Thank you very very much. I'll try to go to Chelmsford to find the centre, failure of which I'll try the Colchester branch. Charles
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    Boiler dhw problem

    Thank you very much Dave and all. You have taken a great load off me but still more to go before it is all fixed. I will try out your suggestions. By any chance any of you know a parts centre around Witham, Chelmsford, Braintree, Maldon, Tiptree, Colchester? Many many thanks again. Charles.
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    Boiler dhw problem

    Yes, in the manual it is part no.16 BG1011 102. It could be the same part as yours, Dave.
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    Boiler dhw problem

    Oh yes ! right at the bottom of the manual shows BIASI U. K. Ltd. it is about 8 years old. wonder if we can get the parts from the company.
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