How to Purge RV Propane Lines

An RV propane line purge is an essential part of regular maintenance for your recreational vehicle. Propane is a highly combustible gas, and it’s important to keep the lines that carry it free of dirt and debris. A simple purge will remove any build-up in the lines and help keep your RV running safely and efficiently.

What are the symptoms of a propane leak in your RV?

There are a few tell-tale signs that you may have a propane leak in your RV:

  • You can smell propane near the RV.
  • The pilot lights on your stove or furnace won’t stay lit.
  • Your fridge isn’t staying cold.

If you notice any of these symptoms, it’s important to take action right away. A propane leak can be extremely dangerous, and even a small amount of propane can cause an explosion.

How often should you purge your RV’s propane lines?

You should purge your RV’s propane lines at least once per year, preferably in the spring before you start using them for the season. This will help ensure that the lines are clear and free of any build-up.

How to Purge Your RV’s Propane Lines

  • Step One: Turn off all appliances that use propane. This includes the stove, oven, furnace, water heater, and any other devices that run on propane.
  • Step Two: Open all doors and windows in the RV to ensure proper ventilation.
  • Step Three: Locate the propane tank shut-off valve and turn it to the “Off” position.
  • Step Four: Disconnect the RV propane regulator from the tank.
  • Step Five: Using a wrench, loosen the nut that secures the RV propane supply line to the regulator.
  • Step Six: Place one end of a length of clear tubing over the open end of the RV propane supply line.
  • Step Seven: Open the bleeder valve on the RV propane regulator by turning it counterclockwise.
  • Step Eight: Hold the other end of the tubing near a flame. A lighter or match will work for this purpose.
  • Step Nine: Observe the tubing as propane flows through it and out of the RV propane lines. Continue until all traces of propane have been purged from the lines.
  • Step Ten: Close the bleeder valve on the RV propane regulator.
  • Step Eleven: Reconnect the tubing to the RV propane regulator.
  • Step Twelve: Turn on the RV propane tank shut-off valve.
  • Step Thirteen: Check all appliances and devices that use propane to ensure they are functioning properly.

Tips for preventing future propane leaks in your RV

There are a few simple things you can do to help prevent propane leaks in your RV:

  • Regularly check the condition of your RV’s propane lines and hoses. Replace any that are damaged or showing signs of wear.
  • Never store or transport your RV with the propane tank connected.
  • Always turn off the propane tank when you’re not using it.
  • Don’t smoke near open flames or appliances that use propane.

How to safely store propane tanks in your RV

Propane tanks should be stored in a well-ventilated area of your RV, away from any heat sources. If possible, store them outside the RV in a shady spot.

When transporting propane tanks in your RV, make sure they are secured so they can’t move around. The best way to do this is to strap them down with ratchet straps.

Never store propane tanks inside your RV or near any open flames.


Yes, you can safely purge your RV's propane lines yourself with a few simple tools. However, if you're not comfortable doing it yourself, you can always hire a professional to do it for you.

Purging your RV's propane lines is important because it removes any build-up that could cause a leak. This simple maintenance task can help prevent a dangerous propane leak in your RV.

If you don't purge a propane tank, the build-up of propane inside the tank can cause it to explode. This is why it's so important to Purge your RV's propane lines on a regular basis.

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