natural gas boiler belongs to the explosion-proof area

natural gas boiler belongs to the explosion-proof area

Do Hazardous Areas need Explosion-Proof devices?

Mar 02 2017 · Do Hazardous Areas need Explosion-Proof devices? ... Thats every home with a gas furnace. However for 250HP boilers and greater NFPA-85 clarifies: A.5.3.8.1 Locations at which natural gas ...

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