Cold water Temperature

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Old 12-15-19, 02:07 PM
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Cold water Temperature

Hi
We have just had a new boiler system installed (Unvented and balanced system). Since it has been fitted we have noticed that the cold water taps take around 1 minute to get to a very cold temperature. Before that the temp gets up to about 28c which I am guessing is because of the ambient temperature of the pipework. Is this something I should be worried about in terms of bacteria forming?


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Last edited by PJmax; 12-15-19 at 07:30 PM.
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Old 12-15-19, 06:02 PM
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To get that hot, I don't think it's just pipes in proximity with each other.

I assume the boiler doesn't provide domestic hot water too?

Maybe the check valve was forgotten in the refill portion of the boiler? So as the water heats, it's back-filling into the potable water. Definitely not something you want happening.

I'm sure the boiler experts will be around to help.
 
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Old 12-15-19, 07:32 PM
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Welcome to the forums.

I've noticed that the systems we use here in the States differ from how yours are setup.
You may need to check with someone local and more knowledgeable in the system you have.
 
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