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Hi Pete, Thank you for your reply. I'm a bit confused when you say "If the rads are heating when only hot water is selected..." there is no place (or I don't know about any) where I could select that. I thought that it's the thermostat sets it on and off according to the temperature set on...

Hi John, I finally managed to go to my parents house and find out. There are two valves from what I have found and reading on the internet about the motor valves and their diagnostics there should be a lever which allows manual closing and opening the valve. If it's pulled it should close or...

I just realized that they mentioned it happened after the power outage they had so it's quite possible it damaged the valve. Do I need to replace the whole valve ? Or only this motor bit ? Is it something I can do or I need a professional ? Also if the valve will be fine does that mean the...

Hi, I'm looking for some help and hopefully somebody will be able to advise here. My parents live in the house from 1940s. The central heating installation is not that old I guess but it's something what I presume it's called and based on the single function boiler. There is a water tank...