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Power shower pumps may cause a problem if the
cold water header tank can not replenish the hot water tank
in time. A 20 litres cold water header tank supplied with a
low mains water pressure and flow may run out of water if a
pump is used and cause a vacuum. Though a 115 litre hot and
60 - 115 cold should be ok.
Intergrating a cold water cistern and a hot water cylinder
in a compact all-copper unit, are an effective way of providing
adequate supplies of hot water when storage space is limited,
it also enables a 'dry loft' thus lessening the risk of freezing.
This system is ideal for rented accommodation due to is low
maintenance requirement, or partially used properties where
frequent draining and re filling by the owner is required.
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