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genter11/05/20251 replyview on HN

For water heaters and wall furnaces with a gas control valve, yes. For old stoves, they don't.


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K0balt11/05/2025

TBF the amount of gas used in old style pilots is really tiny. I’m sure it’s possible to accumulate dangerous quantities somehow, perhaps in a sealed subterranean basement if using propane instead of natural gas.

Natural gas is mostly methane, which is lighter than air and easily escapes most structures.

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