Hot water cylinder replacement

I

iateyoubutler

Evening DIYnotters :)

As people will know from my previous posts I have a very traditional system with the vented HWC in the airing cupboard. Back in March I had a new boiler, and everything is working nicely.

The only snag here is, I have no idea how old my cylinder is - I`ve been in this house for 10 years and it certainly wasn`t new then, so it`s age is anybody`s guess. Now due to this I have decided to splash out (play on words haha!) and have it replaced just for piece of mind as I dread coming home one day to find it has flooded my house.

Just weighing up the options is like for a like a good idea? Or go for unvented, convert the CH to sealed, and get rid of the roof tanks? I do like the idea of a dry loft as sub zero weather does worry me when it comes to water in the roof, but I don`t like the idea of loads of potential leaks caused by putting the hot water system onto mains pressure and then pressurising the CH system, as it`s all 45 years old now.

Which is the best path to take because I don`t know......

Thanks
 
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Your cylinder will last a lot more than 10 years as long as your local water isn't too hard (the cylinder i have upstairs at the mo did 35 years in my first house & has come in very handy here). So don't replace it just cos you think it might fail. Tanks, loft pipework etc won't freeze if they're properly lagged.
Unvented dhw can be great but check your water supply static & dynamic pressure and flow rate- if you're still on lead pipe from the street you def won't see any real benefit.
 
Thanks for your reply. The water here is really soft, so perhaps that goes in my favour then? :)

We aren`t on lead pipes here, as the house was built 1977, not sure about the pressure and flow figures. The loft setup was all cut out and replaced shortly after I moved in so is quite up to date where standards are concerned, doesn`t stop me worrying about it though!
 
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