Hot water cylinder


Postby Wendito » Sat Feb 07, 2009 5:53 pm

Hi, I am a complete noivce when it comes to all things heating and plumbing related, but am currently looking at buying a house where the hot water cylinder is located in an airing cupboard in a bedroom. Not a problem in itself, however the room is quite small and I would like to be able to reclaim some of the space taken up by the cupboards and cylinder. I know it is possible to relocate the cylinder, but could I put it into the loft space? Would this be an expensive job (I would be paying someone else to do it!!)?
:D
Thanks in advance.
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Postby nitro23456 » Sat Feb 07, 2009 8:47 pm

It is possible but will adversely effect hot water pressure unless you take steps to improve it.
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Postby nitro23456 » Sat Feb 07, 2009 8:48 pm

It is possible but will adversely effect hot water pressure unless you take steps to improve it.

fairly major job, you wouldnt be looking much change from £1k
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Postby Wendito » Sun Feb 08, 2009 5:06 pm

Thanks for that. I had a feelings that if it was possible, it wouldn't be cheap!
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Postby rosebery » Sun Feb 08, 2009 5:21 pm

I'd say no. You'll have zero head between the CWST and the HW Cylinder and the pressure will be pants.

How big is the house? You could ditch the cylinder altogether and fit a combi boiler.

Alternatively you could go for an unvented cylinder in the roofspace.
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Postby Dave From Leeds » Mon Feb 09, 2009 9:43 pm

The critical head here is between the cold water storage tank and the highest hot water outlet (tap or shower head). Moving the hot water cylinder to the loft shouldn't be a problem provided that the CWST remains higher than the cylinder. This may therefore involve raising the cold tank as well.

Another point, the smaller feed and expansion tank for the central heating also needs to be higher than the cylinder heating coil top inlet to keep the system primed, assuming that you have an indirect hot water system.
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