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I’ve read in the Taut on Press book “Plumbing a House” by Peter Hemp that using galvanized fittings with black gas pipe is the way to go to hard pipe for natural gas. He states that the zinc used in the galvanizing process reduces the number of pinholes in the fittings, a problem I’ve encountered myself. Most people I’ve suggested this to are horrified and think this simply shouldn’t be done. A re from the natural gas company didn’t see a problem with this however.
I think this issue developed when there were more contaminants in the natural gas, but this is speculation. I haven’t had the gumption to ask the local inspector. Any Thoughts? Could/Should Galvanized pipe be used in say exterior situations?
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I've read in the Taut on Press book "Plumbing a House" by Peter Hemp that using galvanized fittings with black gas pipe is the way to go to hard pipe for natural gas. He states that the zinc used in the galvanizing process reduces the number of pinholes in the fittings, a problem I've encountered myself. Most people I've suggested this to are horrified and think this simply shouldn't be done. A re from the natural gas company didn't see a problem with this however.
I think this issue developed when there were more contaminants in the natural gas, but this is speculation. I haven't had the gumption to ask the local inspector. Any Thoughts? Could/Should Galvanized pipe be used in say exterior situations?