Hi all, I am in the process of adding a new coated 1/2" natural gas line underground to a patio area. I wanted to pressure test it before I bury it and I cannot seem to find the leak. I have a gas pressure valve from Home Crapo that goes up to 15psi. I filled the pipes up with this on and...

I have installed an 1 1/4 underground gas line per code. I am ready for inspection and have installed a pressure gage and pressurized to 20 lbs of air. The pressure holds for 24 hours and then will drop to 8 0r 10 lbs. I have filled it up twice to make sure it will pass inspection but get the same...

I just has a gas line installed for a gas stove. They performed the pressure test and the inspection was approved. The gage was left on and 4 days later the pressure has dropped to 4lbs. Is this a problem? The gas line was ran outside along the foundatio, then puched through the wall into the...

What are the basic requirements for testing propane gas lines. What pressure do you have to use and for how long? I have a new propane fireplace. The propane company will not deliver because they say there is a leak, but the installers say they tested the system and show no leaks. Each side has...

I am installing a new LP gas line into my basement. I have the line run and have a pressure tester connected to the line. I am getting conflicting info on the pressure and time I need to test to. I found an old thread (Aug 2005) on this forum that said 10 psi for 15 minutes. I also found a City...