Does anyone break down furnace gas valves? I've always thrown mine in the dirty aluminum barrell, wondering if it would be worth it to save them for a rainy day. Also, while I was breaking down furnaces tonight I decided to finally tear out the secondary heat exchangers to see just what they are made of. Each one that I did yielded a little over 10 pounds of non-magnetic stainless. You can bet I'm kicking myself for all the stainless I've been throwing away over the last few years!
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