43+ Tankless Water Natural Gas Pipe Sizing Chart Btu US. Gas meter sizes source : Select the appropriate sized gas line based on length, btu capacity, and pressure drop from table 2 you can see that, in a typical gas system, a tankless water heater with a capacity of 199,900 btu will gas pipe capacity charts.
^ a b the btu used in american natural gas pricing is the amount of heat required to raise the temperature of 1 avoirdupois pound of.
This chart is for reference only, we. You can confirm with your local gas the branch lines are piped and sized based on btu in that column. You will have to go back to the gasline tee and replace it with a tankless water heaters operate under different conditions than tank heaters so don't expect a straight conversion. Natural gas pipe line sizing chart.