Cold Tank to Hot Water Cylinder

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Hi,
Could anyone advise the pipework size for the feed from cold water tank in loft to the direct vented hot water cylinder in airing cupboard, 22mm or 28mm.

Thanks
 
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depends on what size pump you use and also your connection onto cylinder!!
 
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even with a big pump 15mm would be **** poor

anyhow you will be pumping from the cylinder not the CWS so the bigger the better to the cylinder as this will be gravity

:)

mind you I have had a few so I could be taliking *******s so to all the other boyos feel free to rip the urine

:)
 
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Terrywookfit said:
depends on what size pump you use and also your connection onto cylinder!!

Most likely 2-2.5 bar pump, have not got cylinder yet, so not sure about connection sizes!
 

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