On 28/02/2018 09:59, Brian Reay wrote:
On 28/02/2018 09:38, Steve Jones wrote:
I have had a Valliant ecotec 832 fitted about a year ago and have
recently found that two radiators are not getting hot, or even warm,
they are next to each other in terms of piping. If I turn off the
other radiators they get hot, but otherwise they dont. Is it worth
turning up the pump speed or flushing or what, any help appreciated.
Thanks


Try adjusting the 'balance' of the rads.Â* Each rad has a lockshield
valve at each end. One is for on/off, the other is to balance the system.

You can do it with temp sensors- setting for the right drop across each
rad.

Or, simply adjust them to get the rooms / rads right.

Worth bleeding the system first.



I should have mentioned, some rads may only need the valve open a tiny
amount and still get hot. I'd open the coldest one, close the others,
then gradually open them, perhaps closing the cold one(s) a bit, until
you are happy.



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