how to connect 100lb propane tank to rv

Connecting a 100lb propane tank to an RV involves several steps to ensure a safe and secure connection. Here’s a guide on how to do it:

Materials You’ll Need:

  • 100lb propane tank
  • Propane regulator with a POL valve
  • Propane hose with the appropriate fittings
  • Propane wrench
  • Leak detection solution (soapy water)
  • Adjustable wrench
  • Safety glasses


  1. Safety Precautions:
    • Before you begin, make sure that the RV is turned off, and all propane appliances inside the RV are shut off. Additionally, keep the area well-ventilated and away from open flames, sparks, or smoking.
  2. Select a Suitable Location:
    • Choose a location outside the RV where you can safely and securely place the 100lb propane tank. Ensure that it’s positioned on a stable and level surface.
  3. Inspect the Propane Tank:
    • Examine the 100lb propane tank for any signs of damage, rust, or corrosion. Ensure that the tank is within its certification period and is not expired.
  4. Check the Regulator and Hose:
    • Inspect the propane regulator and hose for any damage or wear. Ensure that they are in good condition.
  5. Prepare the Regulator:
    • Attach the propane regulator with the POL valve to the propane tank’s valve outlet. Use an adjustable wrench to secure it snugly but not overtightened.
  6. Attach the Propane Hose:
    • Connect one end of the propane hose to the outlet on the propane regulator and the other end to the propane inlet on your RV. Use the appropriate fittings and make sure they are tightened securely.
  7. Check for Leaks:
    • Apply a solution of soapy water to all the connections, including the tank valve, regulator, hose connections, and RV inlet. Turn on the propane tank’s valve briefly (one-quarter turn) and check for any bubbles or foam forming at the connections. If you see bubbles, there is a leak.
    • If you detect a leak, immediately turn off the propane tank valve, tighten the affected connection, and recheck for leaks. If the leak persists, consult a professional for repairs.
  8. Open the Tank Valve:
    • Once you’ve confirmed that there are no leaks, slowly and carefully open the propane tank valve by turning it counterclockwise. Open it fully to provide propane flow to the RV.
  9. Test Propane Appliances:
    • Inside your RV, test each propane appliance (stove, furnace, water heater, etc.) to ensure that they are working correctly and safely.
  10. Secure the Propane Tank:
    • Make sure the propane tank is securely fastened to prevent it from tipping over during travel or high winds. Some RVs have built-in compartments or brackets for this purpose.
  11. Regular Inspections:
    • Periodically inspect the propane tank, regulator, hose, and connections for signs of wear, damage, or leaks. Perform this check before every trip and at regular intervals.
  12. Turn Off the Propane Tank:
    • When you’re finished using your RV or before driving, turn off the propane tank valve by turning it clockwise.

Remember that propane is a flammable gas, so it’s essential to follow safety precautions and regularly inspect your propane system for leaks and wear. If you’re unsure about any part of the connection process or suspect a problem, consult a professional RV technician or propane service provider for assistance. Safety should always be the top priority when dealing with propane systems.

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