I just noticed that I misspelled the name of Cozy heaters (I had it spelled Kozy). Maybe they are both the same company for all I know. Southern Heater is a time tested, excellent heater but I have used Williams heaters for many years and have never had a problem with them. The sealed combustion chambers on all are of stainless steel and other than the metal shroud, I have personally never had a problem with rust. I added on to my growing space this spring and found a 25,000 BTU input Cozy direct vent heater brand new in the box on ebay for <$200 including shipping. I do remove the heaters each spring. It only takes about 10 minutes. Perhaps that contributes to the lack of rust problems.
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Jerry
""Many a scientific investigation has been lost for years if not forever in the jungle of journals and the tangle of tongues. Unknown"
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