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  1. K

    DANFOSS BFP21L3 Problem

    Thanks to oillecky ofr the info. I have now managed to get the heating up and running again. Basically from the info in response to my post I then backtracked all the wiring from the solenoid to the control unit (Satronic TF832.3) and found a short in one of the cables the was dropping the...
  2. K

    DANFOSS BFP21L3 Problem

    Thanks for the replies, the dog is not on the old pump, it was changed over, fits fine and is turning the pump OK. I am presuming it is some sort of electrical problem since I know I have fuel 'inside' the pump but it is not being pressurised and coming out so was wondering what the solenoid...
  3. K

    DANFOSS BFP21L3 Problem

    Hi, I have a very old oil boiler, just trying to nurse it along until the house is extended when it will be replaced. The problem is with a new DANFOSS BFP21L3 fuel pump. This was a direct replacement for the previous pump that simply wore out. The problem is that I have a single pipe system...
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