Why would you need ...
 

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[Closed] Why would you need a cold water tank if you've got a combi boiler?

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As per the title, went to view a property last night which had a combi boiler put in circa 2009, but there is still a (new ish looking) cold water tank in the loft space. Why would you need to retain it if the boiler is into the mains? We're looking at doing a loft conversion so need to consider moving/getting rid of it if possible.

Any advice appreciated, ta.


 
Posted : 08/08/2013 10:25 am
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they couldn't be bothered to / couldn't take it out is the normal explanation


 
Posted : 08/08/2013 10:27 am
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No need to retain it. Lots of good reasons why it might have been though. Is there a mixer shower running off it which runs sweetly with pressures as they are? Would the sensible replumb to get rid mean ripping tiles off a newly done bathroom or kitchen, and the job has been postponed until those rooms are redone?


 
Posted : 08/08/2013 10:28 am
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taps and cisterns might not be mains rated

ie stick mains pressure on them and they will pass water - rather than change all taps and cisterns and pipework probably easier just to leave the tank in situ/fit a new one.

Or you are in a low pressure area and need the height and the volume of water to get a decent flow rate?

but what he said - probably just CBA repiping everything else.


 
Posted : 08/08/2013 10:30 am
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I've lived in an area with woeful mains pressure. Was very tempted to lob a cold water tank in to try and make running a pressure washer or filling a sink with cold water in less than 10mins possible.


 
Posted : 08/08/2013 10:33 am
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Cheers folks, we'll be looking at re-doing the plumbing anyway with possibly a pressurised hot cylinder in the loft space so hopefully nothing to worry about.


 
Posted : 08/08/2013 10:47 am
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had a house like that once - the only thing the loft tank supplied was the toilet cistern - can only assume the plumber who fitted the combi and removed the upstairs cylinder some time in the past couldn't be bothered to run a new supply a few feet


 
Posted : 08/08/2013 1:50 pm

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