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Hi all, I've got an issue with the radiators in the below rooms from the top. Boiler is in the bedroom on top floor the radiator in that room gets hot. The bedrooms on the next floor don't come on and the downstairs are the same. I've tried bleeding them but no joy. Hot water is working fine...

Hi Grundfos UPS 25-40/60 130 pump is running constantly on downstairs even though the thermostats has been switched off and the boiler. The pump is only used for my UFH downstairs. I've 2 thermostats 1 upstairs running the heating the other downstairs is for UFH. Last week I noticed that my...