Winterizing Tips

Winterizing the Airstream Basecamp (Without Using Antifreeze)

Winterizing your Airstream Basecamp without antifreeze primarily involves draining all water and ensuring no residual moisture remains in the lines that can freeze and cause damage. Here's a step-by-step guide to help you through the process.

Materials Needed:

  1. An air compressor
  2. Fresh water hose
  3. Basic hand tools


  1. Prepare the Interior

    • Remove all perishable items.
    • Ensure all cabinets, closets, and storage compartments are dry and free from moisture.
  2. Drain All Tanks

    • Empty both the fresh water and black/grey water tanks.
    • Turn off your water heater and let it cool. Once cooled, drain it.
    • Open all faucets, including the shower and any exterior outlets, until water stops running.
  3. Bypass the Water Heater

    • This step ensures that you don't unintentionally introduce air into the water heater. If your Basecamp is equipped with a water heater bypass, turn it to the 'bypass' position. If not, consider installing one to make the winterizing process more efficient in the future.
  4. Blow Out the Water Lines

    • Connect the air compressor to the city water inlet. Ensure the compressor is set to no more than 30-40 psi to avoid causing damage.
    • Turn on the compressor and open each faucet (both hot and cold) one at a time until only air blows out. This step ensures all water is purged from the lines. Remember the toilet, outdoor shower (if equipped), and low-point drains.
    • Turn off the air compressor once all lines have been blown out and ensure all faucets are closed.
  5. Prevent Battery Drain

    • If you won't be using your Basecamp during the winter, disconnect the battery to prevent any parasitic drain. Consider storing the battery in a warmer, dry place and occasionally charging it to keep it in optimal condition.
  6. Inspect Seals and Exterior

    • Walk around your Basecamp, checking for any damaged seals, especially around windows, doors, and seams. Any cracks or gaps can let in moisture. Ensure you reseal any areas that need attention.
  7. Tires and Stabilizing

    • Inflate tires to the recommended psi. This helps prevent flat spots from forming over the winter.
    • If your Basecamp will be stationary for the winter, think about using stabilizing jacks to alleviate some of the weight off the tires.
  8. Prevent Pest Entry

    • Make sure all exterior vents and openings are securely closed or screened to deter rodents or other pests from seeking refuge inside your Basecamp.
  9. Final Check

    • Double-check that all windows and doors are securely closed and locked.
    • Store any propane tanks in a safe, dry location.

By following this method, you ensure that all water is removed from your Basecamp, reducing the risk of damage from freezing temperatures. It's a good idea to periodically check on your Basecamp during the winter to ensure everything remains in order, especially after cold spells.


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