Since my lost note.
I still have no rads working downsatirs and full heating upstairs (Hot Water is Fine)
My Boiler downstairs runs for 2 mins (Pilot is on) then cuts out then repeats
My pump appears to be ok, i have removed it cleaned it up etc..
I noticed that my rads downstairs get...
CH working upstairs, downstairs i have no radiators working, the boiler starts up runs for two mins cuts out and then goes through this cycle constantly.
Hot water everywhere ok
Help