I will do that if necessary just thought if this was an issue someone else has run into before then might be an easy fix. I'm not looking to disassemble the heat exchanger or anything just checking on a water leak.
I have a Vitodens 100 Boiler that is leaking inside the unit. Took me a while to figure out where it was leaking but I can see it leaks at the top of the heat exchanger where the flue gasket is. I've visually inspected it by temporarily removing the vent pipe adapter and it doesn't look to be...