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  • I was going to say this. @Fox your pressure will be ~6m lower in the loft than incoming. Being in London your pressure will be 2-3bar

  • yep, you just need zone valves and to wires it diffenet.

    We have invented upstairs in our house and combi runs downstairs hot water.

    I do agree that combis aren’t the best for big baths, even the big whopper ones are the best!

  • Yes you can have - the benefits are hot water 'instant' and same pressure as the mains.

  • Yes, but it's odd, according to the plumber that was here most recently. We "rescued" the old combi but put in a cylinder expecting to have the combo die one day and the cylinder serving the future loft conversion.

    Currently we have bathroom sink hot tap off the combi with the kitchen hot and bath / shower off the cylinder. Rational being always hot water to wash hands in bathroom, but no cold surprises when someone runs the kitchen sink while you're having a shower...

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