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    vallaint losing pressure after removing some rads

    Hi, Hopefully someone can point me in the right direction. I have recently removed all of my upstairs radiators and shut off the valves feeding them. Reason for doing this is for plastering to be done in the coming weeks. This is all fine. Obviously i drained down the system fitted a...
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    Valliant combi issues ??!?!?

    It is a three bedroom house with two bathrooms and an extension. A total of 11 radiators. I know i should have TRV's which i plan to fit at a later date so as to better regulate temperature (wasnt mentioned by the plumber but subsequently have found out i need them). What more information...
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    Valliant combi issues ??!?!?

    Thanks kev. System is currently 'cold' and is 1.5 bar. So i guess thats correct then. Its the heating thats really bugging me. Should it go up to 2.4bar when in central heating mode ? I'm curious as I think before the programmable stat was fitted it didnt seem to make as much noise. Is...
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    Valliant combi issues ??!?!?

    Hi, Hopefully someone knows the answers to some of my questions,. I have recently had a vallaint exclusive combi boiler fitted and the plumbing firm who installed it insist it is fine. My issues: The hot water comes out 'misty' then after 30 seconds clears -is this normal. If not any...
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    Vaillant VRC 430 issue ?

    I've got reciepts and a gas certifcate and i've seen his cards so i guess he's ok. I get lots of pressure from any given tap if its the only one turned on. By loads of pressure i mean if i turn the tap on full it will splash lots of water out of the sink but if i turn two taps on (hot) i...
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    Vaillant VRC 430 issue ?

    I have spoken to the installer and he says he's done all that he needs to. As far as i know no benchmark has been completed and the radiators weren't touched except to be bled. Also does anyone know if you should be able to run two hot taps at the same time on a combination system ? Does...
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    Vaillant VRC 430 issue ?

    Thanks for the replies. Sorry I have no idea how I would check if the central heating was rated ? What's d .0 ? Oh and the rads weren't replaced just the boiler so no trv's fitted. Thanks for the help everyone !
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    Vaillant VRC 430 issue ?

    I can get to the installer menu with the default code i just cant see where to change it. I'll have another look at the instructions tonight. Thanks for your help. Has anyone any ideas on the noisy radiators. The noise sounds like - slow tick tick tick then fas tick tick then slow tick...
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    Vaillant VRC 430 issue ?

    Thanks for the reply. No there are no trv valves fitted just the normal restrict the flow style 'ends'. Also it may be worth mentioning before they did the 'powerflush' and changed the boiler for a combi i had no noises from my radiators or pipes and they were working perfectly before - i.e...
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    Vaillant VRC 430 issue ?

    Hi, I've newly had a Valliant Exclusive combi boiler installed and all worked fine, without a controller installer that is. The plumber came back and fitted the vrc 430 and now its seems i have a few issues. (He didnt know how to configure it so its now with me !) The vrc appears to be...
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