Pressure Testing Gas Lines For Leaks! Natural Gas & LP Propane!

In this HVAC Training Video, I show How to Pressure Test Gas Lines to Search for Leaks! Natural Gas and LP Propane Gas Pipes must be Pressure Tested before Connecting the Tubing to the Meter, Regulator, and Appliances. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

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Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
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[mike-ypuk]

I don't work on this stuff but I actually enjoy watching you teach because of the in depth knowledge. Great video

[propanetechllc]

Solid video, sir. I trust you to run gas in my house. Very impressed that you know not all gas valves are rated for high pressure.

[boby]

Good video but I'd like to add some helpfully suggestions and insight that may help some of your viewers .My experience comes from 35 years as a first responder/ service fitter for the natural gas utility in St Louis, Mo. #1 you may want to add an appropriate pressure rated cock ( shut off) between your gauge and fuel runs you are pressure testing ( this way you can isolate your gauge to ensure it is leak free and use it for isolating; you can shut it off during the pressure test and turn it right back on to verify no gauge drop.).#2 best method for use of approved liquid leak detector is a spray bottle or a round parts cleaning brush. Use of dobber just can't get to every area efficiently. #3 active leaks should be located with a tick rate electronic leak detector and pinpointed with approved liquid leak detector ( never an open flame, let me repeat never).#4 after all the appliances are connected to the fuel runs one more pressure test should be completed ( this is the low pressure test completed with a manometer, 7 to 13 inches water column). This will ensure you have no leaks on the appliance connections & no appliance gas controls or valves are passing gas. Hope this helps and stay safe out there.

[scottmichael]

can you pressure test with a 2psi to 1/2 psi regulator or do those have to be installed after ? I have a few appliances that come off each regulator and would be inline in the attic with the gas lines but cant find if the regulators are ok to be pressure tested

[dcagle]

How much does pressure testing the gas line cost?

[ChrisMasto]

This is very interesting. I just had a line added to my existing system for a generator and the installer told me that the pressure test failed because of a leak somewhere in my existing pipes. Specifically they said they tested at 4.5 psi and it dropped to 4. They're charging me a lot of money to come tomorrow and find the leak.

If I understand correctly, they shouldn't have pressure tested the whole thing, just the new line.

[phillipjoy]

Where I live the gas company makes us test at 20 psi here in Easley s.c.

[snubnose]

What Size Air Compressor Do I Need Please?

[bshoff]

If you think you have a leak, can you test with the blue spray stuff with gas in the line?

[randysavage]

Hey Craig I got a question. Is it possible to start an apprenticeship in one state, then halfway through you move to another state and finish the apprenticeship there? Will the credentials carry over to the other state? I live in NJ and I want to start my apprenticeship now. But I know I am moving out of state in 1 to 2 years, and I dont want to have to start it all over again. Thanks.

[phillipjoy]

The inspectors were I live there’s no consistency.It is very frustrating

[boardwalkbw]

The dang gas company turned off our gas so how do we find leak now??

[fathom]

Ball valve closed only rated at half a psi? Where are you getting this info? Nibco gas valves are max rated at 125 psi. Never had a problem testing a line using the ball valve in the closed position.

[rickybrown]

The kind of guys that test the gas leaks with a lighter are the kind that try to fight when you teach them something...YouTube is the only place where professionals are...out here...it's a mess