Hi, Iâ€™m new here â€“ glad to have found this site.
My problem is that even though I changed the setting of the heating system (Potterton Netaheat) to the hot water only, the radiators are still very hot.
The same problem happened a year ago and I called an engineer â€“ he fixed it, but at the beginning of winter, the radiators didnâ€™t warm up, so I called him again and he fixed it again.
Iâ€™m a bit fed up having the same problem every time I change the setting.
Iâ€™d like to ask your advice â€“ is this something I can fix by myself?
Should I call the same engineer or someone else?
it seems like your 'engineer' may simply have locked the three port valve in one position if you have that set up....
ask around for an electrician who wires central heating systems for local plumbers, there is bound to be one, he should be able to check the system.
i had a similer prob just not as bad
my heating engineer showed me were the 3 way valve was and he took the top (stepper motor/soliniod) part off and freed up the valve part which can stick, it was very easy to do and i,d be able to do it next time.
as i understand it the hot water comes up a pipe from boiler then there is a T section of pipe with a valve on top, (which may be sticking) hot water one way central heating the other or fully open for both, mine is located next to the hot water tank in the airing cuboard.
Cheers Beanie....I removed it with 2 x screws and worked the valve up and down with a spanner to free it. Seems to be ok but if it goes again i'll change the whole unit. They are selling for around Â£25 - Â£30 on ebay.
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