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What are the airspace clearances to combustibles and what are the temperature limits?

April 26, 2017Airspace clearances combustibles limits temperature

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What are the airspace clearances to combustibles and what are the temperature limits?

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1″ clearance is required per our UL listing for all installations. The temperature limit is approx 550 deg F for use with gas-fired equipment (natural or propane) that do NOT create a positive pressure in the vent pipe or condense.