Steam Boiler

Hot Water posted:

Firewood posted:

Here's a few nasty pictures of scale build-up in an un-washed boiler.

 http://www.discoverlivesteam.c...gazine/190/index.htm

Very interesting link.  Reminds me of the photos of what UP 844 looked like inside.

Ugh! Say it's not so! Well into the danger zone with that build-up.