Product Information: The printed circuit board or ( pcb ) is the boilers central control. It oversees every process that occurs via the sensors, switches and thermostats. It also enforces the safety measures, making sure that the boiler ceases to function if any of the internal readings point to any kind of error or fault. The printed circuit board is effectively the brain of your boiler, It is programmed to ensure everything is running as it should.
This part is present in 5 different boilers in the Vaillant range including the Vaillant ecoTEC PRO (2006-2010), ecoTEC PRO (2005-2010), VUW 246/3-3 R1 , VUW 286/3-3 , VUW 286/3-3 R1 .