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Opening a gas line.

648 views 5 replies 4 participants last post by  no2498 
#1 ·
Hey, that should get some attention, eh?


I have a couple of tasks planned that might go better if I could disconnect the copper LP line between the tank and the three regulators mounted on the house. They say that if you let the tank run empty, there is a a service call and charge required to fill and check the system. Can I disconnect the copper without running the risk of requiring that service call? I'd be taking pressure off the regulators and allowing air into the copper, but I could purge that with the gas range after reconnecting it.

Um, yeah, I would close the valve on the tank first. :tango_face_angel:
 
#2 ·
I worked on natural and propane gas lines as a plumber,,,turn off the valve at the tank and do your repairs . Turn the gas back on and sniff the repaired areas, to check for leaks,,propane has quite a smell ,,,or get a bucket of soapy water (similar to what you would use for leaky tires)and put soapy water on the repaired areas to check for leaks. If there is a leak the soapy water will bubble up like a leaky tire. You will have to purge the air out of the lines and relight all your pilot lights. Propane lines are all flare joints on copper lines between the tank and regulators in michigan ,,make sure you use fittings that are the same as what the copper line was originally installed with. If you feel comfortable working with gas line ,,,go ahead,, I don't see any need to call the gas company.
 
#3 ·
I'm not too worried about leaks. I know how to check for those and I have the flaring tools. I've opened lines from the regulator to the appliance with no problem. I wasn't sure about the line between the tank and the regulator though.

There are no full time live pilots. Stove and furnace are both electric spark ignition. The only pilot is on a blue flame wall heater and I turn that off for the summer. Everything else including the WH is electric.
 
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