Gas appliances are divided into four venting categories based on vent operating pressure and whether they are condensing or non-condensing. Category I is negative pressure, non-condensing. Category II ...
Hunker.com on MSN
Galvanized Stovepipes: Completely Safe Or Ludicrously Dangerous?
Is it safe to use galvanized stovepipe indoors? Conventional wisdom says the pipe gets hot and releases toxic zinc fumes that ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results