The guy who fixed the boiler was a recommended plum er ( not a heating engineer ) . There are 2 pipes that vent into the large tank, none into the smaller tank. I can't tell if the water is dirty running into the tank should I take a sample ?. Boiler is off at moment . Can I use immersion to hear water ?
Hot water venting into cold water tank
- Thread starter Pepsi123
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There should be one into each cistern. Better get that looked at as well.
yes.
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It's coming from your overheating boiler. Not from your hot tapwater or hot cylinder.
You need a heating engineer who can determine why your boiler is overheating.
The overheat stat should only come into play if the functional temperature control has failed.
So you appear to have two faults on your boiler.
The overheat stat should only come into play if the functional temperature control has failed.
So you appear to have two faults on your boiler.
The reason why it is overheating/over pumping needs to be established and corrected. You also need the pipework looking at, and any necessary alterations made. If boiler is overheating, then water should be being vented into the small cistern, not the big one.
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