Worcester Bosch Highflow 3.5 leak

Hi,

I have a slow leak coming from a boiler in an empty house where the heating has been left on continuous for a couple of months with the stat set to 12 degrees. The water seems to be coming from the small tank in the left of the boiler (Heat Exchanger). I can get a part for £200 and am technically minded but should I be attempting this or should I get a pro? Could there be anything else wrong as well as or instead of this?

Thanks

I think I am going to go into business selling those heat exchangers. As I mentioned before, I used to work for the company that manufactured them, we sold them to Worcester for between £7 and £10 each.

Robbing gits

My plumber has quoted £600 plus VAT. I know he is having a laugh but is it a straight forward job? I'm assuming the circa. 12" x 8" tank is the heat exchanger covering in insulation?

Normal trade price for 87161206550 is over £400.

Do WB do a fixed price fix?