Recent content by tsm22

Just had the engineer round, as you said pcb. He guessed that there was a stuck relay. But as the controller has space for two pumps (the unit only having one) we are now running on 'B' side, so no cost! :D

Hello All, My Grundfos Home Booster has worked fine for 2/3 years, but recently will not stop running, it now has to be turned on/off at the wall. It is set to 3.6 Bar with a 2 Bar differential and all other settings are auto/as it came. But the panel on the front always says 5.5...