Lubricant For Gas Line Fitting?

[SG]

Outside coupler/fitting where I plug in the grill sticks occasionally, the female end. Sometimes it goes right in, other times need to fiddle around for 5 minutes or so to get it to lock on. What is a safe lubricant I can use should any get in the line?

Thanks!

[clare]

Any light pertoleum penetrant should be safe - just try not to get more in the fitting than necessary.

[Stormin Mormon]

What kind of a device are we discussing?

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Thanks!

[clare]

Sounds like a natural gas quick-connect.

[Stan]

Would silicone be safe and not collect dirt

[trader_4]

IDK about not collecting dirt, might collect less than an oil based lubricant. I would use it, I don't see any safety issue with either.