Harringay, Haringey - So Good they Spelt it Twice!
Choosing taps for the local water pressure
I'm currently in the process of choosing things for our new bathroom, and I hit a slight stumbling block with my choice of taps. The bath taps I like are described as being suitable for high pressure systems, with a minimum pressure of 0.5 bar. We live in the Westbury Avenue area, which is reasonably low-lying, in a 1900's house. The water pressure downstairs is pretty decent, but it's not great upstairs, though that could be due to the rubbish taps. We've got a combi boiler that's quite old but in reasonabe shape, and it's not a gravity fed system.
So my question is, should I be fine with a tap that needs 0.5 bar, or do I need to invest in a pressure sensor to get a better idea? When a manufacturer says 'high pressure systems only' does that really just mean 'good mains pressure and a combi'?
Help would be appreciated!
Paul
Replies to This Discussion
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Permalink Reply by Christopher Fowler on
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The water pressure from hot taps off a combi boiler is not usually very good. Although the feed to the boiler is from the rising main, at mains pressure, the rate at which it is then fed to the hot taps depends on how fast the boiler can heat the water. I suspect you won't get anything resembling high pressure except from a system fed from a hot water tank in the top loft; and, probably, if you add a pressure pump.
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Permalink Reply by DrWhams on
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I found in my previous flat that our combi boiler (which was the same as the one in our current house) fed the taps at a decent enough pressure, though it was on the same floor; in my house the boiler is downstairs. The bath taps say they need a minimum pressure of 0.5 bar (the shower only needs 0.3), so my concern is more with the bath taps. What's going to be the impact of not having enough pressure? Is it that the mixer tap won't mix properly (ie hot or cold will dominate)?
Thanks for the response
Paul
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