DO NOT USE COMPRESSION FITTINGS IN PROPANE LINES!
Encountered a RV where the owner was noticing the faint smell of propane. Tracked the issue down to a modification to the factory propane system to install a quick connect for a grill. The installer had used soft copper tubing and compression fittings for the extension.
From a practical standpoint even when tightened very tight the compression fittings from the hardware or big box stores have a tendency to leak. An almost non existent leak in a water line isn’t a safety issue, combustible gas is a different story.
From a “code” standpoint, the National Fire Protection Association standard for RVs (NFPA 1192) allows flare fittings or brazing to join copper tubing. Compression fittings are not allowed.
As typical there are Is almost always an exception. Some connections within appliances like water heaters and furnaces use compression fittings. These are allowed as the appliances are separately tested and approved.
Encountered a RV where the owner was noticing the faint smell of propane. Tracked the issue down to a modification to the factory propane system to install a quick connect for a grill. The installer had used soft copper tubing and compression fittings for the extension.
From a practical standpoint even when tightened very tight the compression fittings from the hardware or big box stores have a tendency to leak. An almost non existent leak in a water line isn’t a safety issue, combustible gas is a different story.
From a “code” standpoint, the National Fire Protection Association standard for RVs (NFPA 1192) allows flare fittings or brazing to join copper tubing. Compression fittings are not allowed.
As typical there are Is almost always an exception. Some connections within appliances like water heaters and furnaces use compression fittings. These are allowed as the appliances are separately tested and approved.
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