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How can I measure water pressure

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campari | 20:27 Thu 14th Dec 2006 | Home & Garden
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I have just bought a shower (not an electric one} that says it needs bar pressure of at least 1.5 We have a combi boiler but the pressure upstairs isn't that great. How can I measure it Thanks
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Ideally you need a pressure gauge but they can cost quite a lot of money.

They have a rubber connection that you push onto the tap then tighten up using a jubilee clip.

Best going to a plumbers merchants instead of B&Q for it though.

If the pressure is too low then you can get booster pumps relatively cheap (look on ebay) to increase the pressure.
Hi Campari,

As a rule of thumb: put the palm of your hand over the tap spout and if you can stop the flow of water then the pressure is low. If on the other hand you cannot stop the water then you have no problems.

Regards
If you buy a thermostatic shower you must make sure that it is designed for use on a combi system, other words you are left with a shower that will not opperate to maximum efficiency.
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Thanks everyone. But I am now confused, about thermostatic showers. Will it say on the shower box?
Yes, They would normally say that they are for use with Combination Boilers on the packaging. If it does not say it do not buy it.
get the water board to come out and do a pressure and flow test free of charge. Its not always the pressure which is a problem it can also be the flow due to old lead pipes or being on a shared pipe. You should have more than 1.5 bar, as this is the minimum water companies are obliged to supply. i would say you would have at least 2.5 at a rough guess. phone them up say you have a poor supply and insist they come out, Tell them it is a long standing problem

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