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Advice needed from on a couple of queries regarding pressure and flow rates

Discuss Advice needed from on a couple of queries regarding pressure and flow rates in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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jimbosweed

Hi, thanks in advance for any replies,I have been plumbing for 3 years now so I have a good basic knowledge of most plumbing and heating systems , but there is a couple of issues I am trying to understand with pressure and flow rates on different systems. 1, how does an unvented system allow more than one tap or fitting to be used at once without the pressure or flow rate being affected? And is it possible to run hot and cold pipework fed from a combination system, so that the flow rate Isn't affected completely when two or more taps or fittings are used at the same time? Thanks

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