• Suitable gas: Natural gas, gaseous propane (from top of tank), artificial coal gas, air, or other inert gases. (available on our website). • Brass connections are 3/4" NPT (National Pipe Thread). Flow: 212 ft³/ hour (Natural Gas: 219,420 BTU/hr, Propane: 527,456 BTU/ hour at 60ºF, temperature dependent).
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