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Ill drain it down tommorrow and try again. Fingers crossed. The pump wasnt stopping after i switch off at the programmer.I didnt leave it too long(5-10 mins maybe) because i thought it was a problem, i had never noticed that before.So i switched off just in case. Is there a certain...

I think ive bled the whole lot...

I decided to replace the pump because the radiators downstairs were cold and the pump was noisy.Another problem was , i could hear a clicking sound from the 3 port valve (danfoss) and when trying to switch it manually the lever was very stiff and hard to move. So i drained the system and...