FREE online Plumbing Inspection course, 103 pages, pictures, MASSIVE!!!

http://www.nachi.org/plumbingcoursereleased2008.htm

Thank you Nick!!

More coming.

I will take the course tonight.
I did a quick glance and did not see expansion tanks in regards to water heaters.
Correct me if wrong.
Did see in regards to boilers however.
Great addition to the library however.