Hello,
Sorry to bother, just have quite a similar problem - F.25 - with my boiler which is also Vaillant 828/2e. I was wondering what did you do to fix it?
Would be very grateful if you couild reply,
Kind regards,
Alex
Sorry to bother, just have quite a similar problem - F.25 - with my boiler which is also Vaillant 828/2e. I was wondering what did you do to fix it?
Would be very grateful if you couild reply,
Kind regards,
Alex
