As temperatures start to dip in the Pacific Northwest, ensuring your RV’s plumbing system is properly winterized becomes a top priority. Water left in pipes or tanks can freeze, expand, and cause significant damage, leading to costly repairs when you’re ready to hit the road again. Follow these essential steps to drain and protect your RV’s plumbing system, ensuring it stays safe throughout the winter.
Drain All Water from the System
Start by draining your RV’s freshwater, gray water, and black water tanks. It’s important to remove every drop of water from the system to avoid freezing and cracking.
- Drain the Tanks: Begin with the freshwater tank, followed by the gray and black water tanks. Don’t forget to drain the water heater as well, since even a small amount of water left behind can cause damage.
- Tip: Use the low-point drains on your RV to help ensure all water is emptied. Be sure the water heater is turned off and cool before draining.
Blow Out the Water Lines
Once the tanks are drained, use compressed air to blow out the remaining water from your RV’s water lines. This step helps ensure no water remains to freeze during the colder months.
- Blowout Method: Connect an air compressor to the city water inlet and set the air pressure to around 30-40 psi. This will push any residual water out of the lines.
- Tip: Open all faucets (hot and cold) to allow air to pass through and clear the water lines.
Add Non-Toxic RV Antifreeze
After the water is drained and the lines are blown out, it’s time to add antifreeze to your RV’s plumbing system to ensure it is protected throughout the winter.
- Pour Antifreeze into the Lines: Use RV-specific, non-toxic antifreeze. Pour it into the water lines by connecting a hose to the winterization valve, which bypasses the water heater.
- Protect Drains and Toilets: Pour antifreeze directly into the drains and toilet to prevent water from freezing in the P-traps and holding tanks.
- Tip: Make sure to flush the antifreeze through the entire plumbing system by running the faucets briefly until the antifreeze appears.
Protect Your Water Pump and Filters
Don’t forget about your water pump and any filters installed in your RV. These components are especially vulnerable to freezing and should be addressed as part of the winterization process.
- Drain the Water Pump: Run the pump for a few seconds to clear any remaining water. Then, disconnect the pump and allow it to drain fully.
- Remove Water Filters: If you have water filters installed in your RV, remove and store them separately, as antifreeze can damage filter elements.
- Tip: Consider bypassing your water heater with a winterization kit to prevent antifreeze from entering the heater.
Final Check: Ensure All Faucets and Valves Are Closed
Once you’ve completed the winterization process, make sure all faucets, drains, and valves are securely closed. This will help keep everything sealed and protected from any unexpected weather conditions.
- Tip: Label your RV as winterized with a note near the water heater, faucets, and water tank to remind you in the spring before your first trip.
Protect Your Investment: Avoid Costly Plumbing Repairs
Properly winterizing your RV’s plumbing system in the Pacific Northwest is crucial for avoiding frozen pipes, water damage, and expensive repairs. By following these steps, you’ll ensure your RV is ready to roll when camping season returns in the spring.
Contact Adventure Trading RV Today
Thinking about upgrading your RV before winter? Adventure Trading RV buys and sells quality used RVs. If you’re ready to sell your current RV or find a new one for your next adventure, call us at 503-756-5601 or visit our Oregon City dealership. Let us help you find the perfect RV for your needs!
