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power shower with combi boiler

PostPosted: Mon Dec 31, 2012 1:09 pm
by Allan
can a power shower be used in conjunction with a combi boiler

Re: power shower with combi boiler

PostPosted: Mon Dec 31, 2012 3:27 pm
by James
No - the water flows through a combi under mains pressure, the flow rate usually determined to give the output temperature - a power shower pumps the water - the flow of the pump would be greater than the normal flow through the combi so the temperature lower (if you can force the water through faster).

You can't use a power shower where the feed is from the mains, you need some form of unpressurised water storage.