celsia / British Gas 24LE Fast Hot water issue

carvaletingpro · 23 May 2011

WE've just moved nito a house and it has teh above mentioned boiler which was serviced before we bought the house.

the problem is that when you run hot water into the bath you can run the tap at full as the boiler cant keep up so it takes 15 minutes to run a bath. i can only turn the tap say 15 dergrees before you start to loose warm water.

Down stairs is fine. Any ideas Cheers

nickso · 23 May 2011

it's only a 24 kilowatt boiler so may be struggling with the volume of water you are trying to heat. you need to measure the flow from the bath tap and the temperature of the water coming out. this boiler will probably only realistically give you approx 30 degree temp rise at 10 litres a minute. I can check the actual figures if you need them.

petit_pablo · 23 May 2011

Basically what nick said.

Its a small combi, 24kw isnt enough to run a bathtap flat out and still heat the water sufficiently.

carvaletingpro · 23 May 2011

thanks for the quick answers guys much aprreciated, can beleieve they didnt get a bigger one when it was put in. it is coming up 10 years old though now. whats sort of KW would be best

petit_pablo · 23 May 2011

24kw combis are cheaper and BG salesman tend to gloss over the fact they arent V good!

Ideally go for a minimum 28kw combi, you could go bigger if your flow rate is good.

gasafengineer · 23 May 2011

31kw minimum for decent hot water flow rate.

carvaletingpro · 23 May 2011

i think our flow rate is pretty good coldwater blasts out

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celsia / British Gas 24LE Fast Hot water issue

carvaletingpro

nickso

petit_pablo

carvaletingpro

petit_pablo

gasafengineer

carvaletingpro

DIYnot Local

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