Hi there - for a 4-shower house what would the water pressure need to be for all rain showers to be functioning at the same time or would this be impossible? (while the dishwasher and washing machine are also on for example).
It’s normal to apply diversity to these things and not assume that everything is running full blast all at the time. If I was looking to run four showers at the same time then I would consider power showers (it would be important to keep in mind the electrical load as well with this solution) or a large hot water tank or two+ combi boilers. You could also go down the hotel style pressurised tank and pump route. It depends to a great extent on what system you have at the moment and how much you are prepared to change it.
We have a 4 bar system and have 3 showers which have operated together while the dishwasher and washing machine was going with no problems. We did this installation which included redoing all the plumbing including new bathrooms as our old plumbing would not have worked with a pressurized system.
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Chris Morgan-Jones
rob derbyshire
siobhanmcgee90
cambellaOriginal Author
siobhanmcgee90