Shower buying advice
Comments
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I've read in a few places that my regular boiler wouldn't be compatible with a pressurised HW cylinder and that I'd need a system boiler. Is this not the case?
Also seems to be a risk that the pipes might not be able to handle pressurised water flow. I think we have headroom in the attic so I'll lok into raising the cold water tank.
I believe either boiler(regular or system) can be used with an unvented cylinder see:
https://www.boilerguide.co.uk/articles/vented-and-unvented-hot-water-cylinders
The 'pressurised' hot water flow is no higher than the mains cold water supply, so why would the pipes not handle this pressure?0 -
I've read in a few places that my regular boiler wouldn't be compatible with a pressurised HW cylinder and that I'd need a system boiler. Is this not the case?
Also seems to be a risk that the pipes might not be able to handle pressurised water flow. I think we have headroom in the attic so I'll lok into raising the cold water tank.
What sort of boiler is it? Make/model?
I have just converted my house to unvented hot water ("pressurised"). The pipes are fine, it's the toilet ball valves & tap washers etc that start leaking when they are subjected to main pressure water instead of a cold tank in the loft. The install of the unvented system also balances the hot and cold pressures via a valve, so your shower would work better in this case.
I'd be tempted to follow this route and put the £400/£500 cost of installing and redecorating a pumped local shower with an unvented cylinder.Signature on holiday for two weeks0 -
This is my boiler: https://www.worcester-bosch.co.uk/products/boilers/directory/greenstar-ri-12kw-to-24kw
The cold water pressure from the taps is high so I'd assume the hot water taps/pipes would be able to handle mains water pressure.
Can someone recommend an unvented HW cylinder if I do go with this option please?0 -
This is my boiler: https://www.worcester-bosch.co.uk/products/boilers/directory/greenstar-ri-12kw-to-24kw
The cold water pressure from the taps is high so I'd assume the hot water taps/pipes would be able to handle mains water pressure.
Can someone recommend an unvented HW cylinder if I do go with this option please?
Your link showing your boiler lists the Worcester-bosch cylinders all with a 25 year warranty:
https://www.worcester-bosch.co.uk/products/cylinders/directory/greenstore-unvented-cylinders
I have a Gledhill 180 litre unvented cylinder - also with a 25 year warranty. I will let you know in 20+ years if it is reliable!0 -
I've got a Daikin 200l unvented with 25 years warranty but with only 18 years to go.
Most of them are stainless steel, have a decent 25 year warranty and are usually a lot better insulated than your average hot water tank, so in the end you pays your money and takes your choice.Never under estimate the power of stupid people in large numbers0
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