Sabre Spares have a PCB For a Microturbo 40MDF.
"Z437278 PCB MICROTURBO 40MDF MAXOL 437278"
You'll have to check Your Gas Council number on your boiler. Just to make sure you are ordering the right part. Gas Council Number will look something like GC. No.41-202-15
Don't know price, sorry...
M
March 2009