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1571 Gas Piping Support - Water Heaters - Gas Piping Burners and Venting - Image Text: Cross section > (steel pipe) > vertical support > required at every floor > riser > 10 feet > 1-1/14 inch to 2-1/2 inch diameter > 8 feet > 3/4 inch to 1 inch diameter > 6 feet > less than or equal to 1/2 inch diameter > horizontal support > foundation wall > basement > gas water heater |
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