Backup for a combi ?

wanleg · 9 Nov 2006

Daft question but if you had the necessary pipework, valves etc...is it possible to install a 'hot' standby combi boiler so that if the main one failed you could just turn a few valves, fill it up and be back online ?

Expensive I know but is it possible ?

sime10 · 9 Nov 2006

Anything is possible

Yes can be done quite easily

holty · 9 Nov 2006

yes your right it is a daft question. whats your worry about, if your original combi went wrong just get it fixed

wanleg · 9 Nov 2006

I'm not contemplating it that seriously......getting it fixed is one thing, getting it fixed by someone same day and in one visit is a whole other stretch of road.

JohnD · 9 Nov 2006

If you'd got a system boiler instead of a combi you'd just have to turn on the immersion heater and the fan heater.

wanleg · 9 Nov 2006

If you'd got a system boiler instead of a combi you'd just have to turn on the immersion heater and the fan heater.

And miss out on all that legendary combi reliability....never

scatmanjohn · 9 Nov 2006

wanleg said:
I'm not contemplating it that seriously......getting it fixed is one thing, getting it fixed by someone same day and in one visit is a whole other stretch of road.

Ring kevplumb.. he be a monkey hanger too

Paul Barker · 9 Nov 2006

I happen to think that two cheap 24 KW combis in tandem is better than one 40kw combi. Not always practical due to two flues and two boilers competing for space, but highly practical and cheaper but not lesser.

bster · 9 Nov 2006

Electric shower for hot water and thermal undies for CH is the cheapest backup

irose · 28 Dec 2006

Paul Barker said:
I happen to think that two cheap 24 KW combis in tandem is better than one 40kw combi. Not always practical due to two flues and two boilers competing for space, but highly practical and cheaper but not lesser.

Paul,
Have you tried this approach anywhere? I'm considering doing just that.

fitz1 · 28 Dec 2006

seen two viessman combis running a rugby club and also supplying a 500 litre unvented cyl.

ChrisR · 28 Dec 2006

It's quite common. Most manufacturers will support it but a few say they can't approve it. Nothing hard really, though you get a lot of pipes... I've not had trouble of any sort with ones I've put in or worked on, apart from some silly wiring.

Agile · 28 Dec 2006

Having a second combi piped up seems a waste of time.

If you are paranoid about continuity of service then by all means have a second boiler of the same model and the whole unit can be changed.

Tony

irose · 28 Dec 2006

Its not that, Tony. I need to replace my existing system as explained in the following post:

//www.diynot.com/forums/viewtopic.php?p=496490#496490

Someone on Screwfix forum suggested perhaps 2 combis in tandem as solving my problem as apposed to megaflos/heat stores etc.

I just happened to stumble across this old thread and looking for some feedback on practicality.

MOD 2

start a new thread

kevplumb · 28 Dec 2006

scatmanjohn said:
wanleg said:

I'm not contemplating it that seriously......getting it fixed is one thing, getting it fixed by someone same day and in one visit is a whole other stretch of road.

Click to expand...

Ring kevplumb.. he be a monkey hanger too

thees right bonny lad

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Backup for a combi ?

holty

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