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Hi seen to be having problems with the Expansion tank...i heard the tank filling overnight when the heating was off I checked this morning and thought the part 2 ball valve was faulty so changed that over however .. The expansion tank is not overflowing. The water level in the ET is constant as...

Got a rad thats causing me problems... 1 small ensuite rad gets warm no problem however when i went to open the bleed valve no water or air is released ive taken the rad of jet washed it and put it back on and its still the same Any ideas ?

Any idea how I adjust the setting on this currently on .05 need it back on .03 ?

Hi looking for some advice just had a Alpha2 Auto Adapt replaced as developed an issue direct from Grundfos they sent me the latest Alpha 1 15-50/60 130 in its place ...i fitted it myself after turning the head so that the flow arrow matched my existing pump .Issue is its supposed to be whisper...