[cbr]

I've now linked that from the article; thanks!

(I read that page when I was first reading about this the night of the spill, but had forgotten about it. Holohan is amazingly knowledgeable about old heating systems.)

[tadfisher]

Did your home inspector note the upfeed system in the pre-purchase report? Did you sign a waiver limiting the inspector's liability?

[cbr]

Just reread the inspection report; they didn't notice it.