This is a question about the hot water.
Recently i have noticed that my system is 'coming on' every few minutes or
so to heat the water.
also the pipes are 'clunking'.
Is this normal? or is my system overheating the water?
I believe the water thermostat dial is under my gas fire (with back boiler)
and is currently set to 2 and a half.
Thanks in advance
Sounds as if you have a gravity fed system with no tank thermostat. If this
is the case the boiler will just cycle on and off as the water in the system
heats and cools. Eventually, your hot water will be approaching the
temperature you have set on your boiler thermostat. if this is the case then
you should fit a tank stat to shut the boiler down when the water
temperature has reached the desired temperature. This may not be as easy as
it sounds though because if there is no zone valve and the heating operates
only by switching the pump on and off then the domestic hot water will still
become to hot when the heating is running. How old is th installation?
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