Truma Combi 230v PCB 

34020-63800
 
Used in a range of Truma Combi Boilers:
Combi 2 E UK (03/2012 – 06/2018)
Combi 4 E UK (06/2007 - 06/2018)
Combi 6 E UK (06/2007 – 06/2018)
Combi D 6 E (04/2013 - )