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    vaillant Thermocompact refilling the system

    Ah a real 'ginger beer'! Thanks very much - I did actually find the braided hose and valve 2 rooms away! Filled it up no problem and now all is well. Thanks again. (Hope it was an F3!)
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    Re-pressurise Vaillant Thermocompact

    Mr Gas and Kevplumb you are both brilliant! I turned off the pressure pump and turned on the valve on the braided hose while my son watched the pressure guage. I have charged it to 1.5 bar and now hope that the pressure stays there and the banging on start stops. Is it normal for the pressure...
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    Re-pressurise Vaillant Thermocompact

    The picture kindly posted by kevplumb is exactly one of the pipes I have in the cupboard and it leads to a pipe that disappears under the floor. It's valve is in the off position, I just tentatively opened it a bit and I can hear water flowing - it also runs my pressure pump that runs whenever...
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    Re-pressurise Vaillant Thermocompact

    There is no braided pipe leading to the boiler itself - only the 3 solid pipes. In the utility cupboard the only 2 braided pipes seem to be there to get a couple of the multifarious pipes round corners. One goes up to the small expansion? tank above the main tank - it seems empty when tapped...
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    Re-pressurise Vaillant Thermocompact

    I have a Vaillant Thermocompact which has reduced to 0 Bar pressure. Whenever it starts up there is a banging sound for a few minutes, but this dies away and it does actually work for both heating and hot water, but the noise is clearly not right and I think associated with the zero pressure. I...
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    vaillant Thermocompact refilling the system

    Hi, I have just joined as you have been discussiong my exact problem. I have a Vaillant Thermocompact which has reduced to 0 Bar pressure. Whenever it starts up there is a banging sound for a few minutes, but this dies away and it does actually work for both heating and hot water, but the...
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