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  1. G

    Pressure testing a gas line for min and max PSI

    Hi Glen, thank you for your response. The heater does not have a perssure guage, but I do own one already. When I test the line for leaks I used the air value like fitting to pump pressure into the line and it did not leak. I needed to verify the pressure from the gas input. So tonight I...
  2. G

    Pressure testing a gas line for min and max PSI

    I am exprienced DIY, but I have new project to install a tankless water heater. The mfg requires the pressure in the gas line to be with 4. to 10.5 w.c. (aprox 1/8 to 1/2 PSI). What is the procedure for testing the gas w.c.? I know I need to disconnect the tankless water heater to do this...
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