iconsistent hot water temp !!


Postby misery » Wed Dec 08, 2010 7:48 pm

Hi guys
Have posted this problem in plumbing section 3 times now with no reply,so can only assume was in the wrong section or my question is really stupid ,please help.
I have a Heatline C28 combi boiler which works perfect for the central heating,but having a problem with the hot water .when the hot taps are open water will start off cold,which I understand ,will eventually become quite hot and then will fluctuate between fairly hot and tepid ,absolute nightmare trying to fill a bath because just with the hot tap on the bath can at best be described as warm.
As I said this happens with every hot tap in the house ,the shower works ok though ,the temperature remains constant.
Would really appreciate any help,thanks
Misery
misery
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Postby stoneyboy » Tue Dec 14, 2010 11:04 pm

misery,
You need to get a gas man in to check out the boiler.
end
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Postby misery » Sat Dec 18, 2010 10:33 pm

thanks stoneyboy
I was hoping someone might be able to help with the problem before I called someone in .
misery
Posts: 26
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Postby jouls » Fri Mar 04, 2011 9:35 am

misery wrote:thanks stoneyboy
I was hoping someone might be able to help with the problem before I called someone in .


I have same problem with same boiler, 4 plumbers cant fix it :-( did you get anywhere?
jouls
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Postby jouls » Fri Mar 04, 2011 9:36 am

misery wrote:thanks stoneyboy
I was hoping someone might be able to help with the problem before I called someone in .


I have same problem, did you get it sorted?
jouls
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Postby Kenj » Fri Mar 04, 2011 2:47 pm

Hi misery,

The fact that your shower is working properly suggests that the boiler is ok.

Filling a bath from a combi boiler will always be a slow process, because a combi can only heat a relatively small amout of water at any time. If you fully open a bath tap I would expect it to run hot and cold as you have described. Similarly opening more than one tap at a time can easily overload a combi boiler.

Try reducing the water flow to a more gentle flow ( do not shut it down to a trickle or the boiler will go out ) and see if the temperature remains constant. If it does it suggests that you are simply demanding too much water too quickly.

I doubt this will be of any help to Jouls, unless the 4 plumbers you called out are totally incompetent.
Kenj
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Postby dorris » Wed Mar 16, 2011 10:57 am

In my perception you need a proper technician who can resolve your problem

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Dorris
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Postby Kenj » Fri Mar 18, 2011 4:11 pm

I believe what is needed is feedback from the two people who have raised this query.

This would help others who may have a similar problem, and those who spend time suggesting a solution. As well as being common courtesy.
Kenj
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Joined: Mon Jan 28, 2008 8:30 pm


Postby Cheesie1 » Thu Mar 24, 2011 5:15 pm

agree with kenj, slow water flow down, see if remains constant, common problem on combi.
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Joined: Tue Oct 26, 2010 6:38 am


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