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- 24 Feb 2008
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Last winter I had a lock shield valve start to leak on me so I drained the system to change it. I figured if one was on the way out the rest wouldn't be far away... so I changed the rest of them while the system was already empty. However as I was desperately trying to switch the water off I turned the by-pass valve. I've set it to be almost shut, but open just a crack. I don't have trvs fitted downstairs. So more closed than open seems right to me.
I've since bled and balanced all the radaitors and I think I've done an ok job of that. The radiators all get pretty hot pretty evenly all the way to the top. As the colder weather has hit the house has been a bit cold and the boiler isn't lit, even thought the wall thermostat is calling for heat. So I turned up the thermostat at the boiler. That made things worse, it seems to me that with the thermostat turned up the boiler gets too hot and cuts out.... it then takes 15 minutes or so to cool down and re-start.
The best balance seems to be when the Boiler thermostat is at about 25%
Anyone got ideas? Beginning to wonder if my house is just too drafty?
Thank in advance.
I've since bled and balanced all the radaitors and I think I've done an ok job of that. The radiators all get pretty hot pretty evenly all the way to the top. As the colder weather has hit the house has been a bit cold and the boiler isn't lit, even thought the wall thermostat is calling for heat. So I turned up the thermostat at the boiler. That made things worse, it seems to me that with the thermostat turned up the boiler gets too hot and cuts out.... it then takes 15 minutes or so to cool down and re-start.
The best balance seems to be when the Boiler thermostat is at about 25%
Anyone got ideas? Beginning to wonder if my house is just too drafty?
Thank in advance.