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jojohohanon11/05/20251 replyview on HN

Pilot lights are often designed so that the heat from the flame holds a bimetallic switch in the open position. Should the light go out, the bimetallic switch will shut as it cools.


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genter11/05/2025

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

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