On Thursday, 13 February 2020 12:45:39 UTC, Mike Halmarack wrote:
There was a piece of insulation or other gunk blocking the outlet.
Pokey thing gone to top of list.

This was in the actual cylinder, not any pipe/valve. We'd already drained what we could from the pipe and /thought/ the cyl was completely empty and had started walking it out.

Two people + two buckets required.

Owain