Combi boiler + hot water cylinder?

[bear p]

Hi all,
I've just moved in to a house that has a worcester bosch combi boiler but also has a hot water cylinder that is getting hot? Even when i turn the central heating and hot water off on the control pannel about every hour the boiler kicks in for about a minute or so to keep the water hot i assume as ther is always hot water?

Any ideas?

 

[Simon F]

Hello Bear,:welcome:
is any hot water supplied from the combi?
is there an immersion to the cylinder?
do you still have storage tanks in the loft?
a bit more understanding of the set up is required me thinks

 

[broggo]

Think a cple of pics are needed.
We def sure it's a combi?

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[mcniven]

U sure it's a combi & not just a system boiler

 

[broggo]

U sure it's a combi & not just a system boiler

My thoughts exactly


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[Simon F]

U sure it's a combi & not just a system boiler

your probably right with that, I just took it as said that its a combi, and then curious as to how its been set up.

how many pipes come out from the boiler bear?

 

[bear p]

I think the hot water is supplied from the combi, there is an immersion on the cylinder connected to a timer but this is turned off. yes there is one small cold water tank in the loft. I think it's a combi, I was told it was by a plumber who came out to do some other work, It's a preasurised system if that helps, it's got a bar pressure guage on the front of the boiler.

 

[bear p]

3 pipes, 2 of them are warm and a smaller bore that is cold.

 

[broggo]

That's not a combi.
3 pipes =
1Flow - hot
1Return - slightly cooler than Flow
1Gas

You have a system boiler pal. It's firing up every now and then to top up the hot water in the cylinder. Check your programmer and alter the times to suit you.


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[bear p]

Nice one, cheers,
the plumber that came out wanted £500 to plumb it in "as it should be!!" so he said!
Thanks for the advice guys.

 

[mcniven]

Because its pressurised doesn't mean it's a combi but from what uv said its a system boiler

It is just coming on to keep the hot water topped up with heat

 

[mcniven]

Broggo beat me to it 😛

 

[broggo]

Broggo beat me to it 😛

(Blows raspberry)

Lol


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[TBServices]

Nice one, cheers,
the plumber that came out wanted £500 to plumb it in "as it should be!!" so he said!
Thanks for the advice guys.

Maybe someone has plumbed a combi in as a system boiler and needs converting over?


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[jtsplumbing]

Had one of these so calld plumbers round to a system i install'd in Penzance, told customer that it was all wrong and need'd a lot of work to put it right Vaillant boiler / large cylinder heating , told customer everthing wrong, customer chucked him out, did not know differance between combi and system boiler, how do these chaps manage to get work ???

 

[mcniven]

Had one of these so calld plumbers round to a system i install'd in Penzance, told customer that it was all wrong and need'd a lot of work to put it right Vaillant boiler / large cylinder heating , told customer everthing wrong, customer chucked him out, did not know differance between combi and system boiler, how do these chaps manage to get work ???

It's scary!