Boiler dropping pressure when heating turned off

[jeff the gasman]

Just gone out to the bag this morning and it was damp with a tiny little bit of water in the bottom

If you put the bag on when the boiler was hot you’ve proved nothing.
Re-pressurise when cold fit bag and fire up.

 

[Ajcreece]

If you put the bag on when the boiler was hot you’ve proved nothing.
Re-pressurise when cold fit bag and fire up.

Will be a job for the morning cheers for advice will report back

 

[Ajcreece]

You boys where right left the bag on the pipe outside and its filled up with water!