De-winterizing your RV trailer is crucial for ensuring a safe and enjoyable camping season after its winter hibernation. This process involves removing the antifreeze, sanitizing the water system, and thoroughly inspecting all components to prevent costly repairs and ensure everything is functioning optimally.
Understanding the Importance of De-Winterizing
Failing to properly de-winterize your RV can lead to a host of problems. Stagnant water and antifreeze residue can contaminate your water system, posing health risks. Freezing temperatures can cause undetected damage to pipes and appliances. A thorough de-winterization process will not only guarantee safe water but also extend the life of your RV.
Step-by-Step De-Winterizing Process
De-winterizing can seem daunting, but breaking it down into manageable steps makes it considerably easier. Here’s a comprehensive guide:
1. Gather Your Supplies
Before you begin, make sure you have everything you need:
- Fresh water hose (specifically for potable water)
- Water heater bypass valve (if applicable)
- Water tank cleaner/sanitizer (bleach or a commercial RV sanitizer)
- Tools (screwdriver, wrench, pliers)
- Bucket
- Water pressure regulator
2. Drain the Anti-Freeze
- Locate and open all faucets (hot and cold), including the shower and outside shower (if equipped).
- Drain the RV antifreeze from the low-point drains (typically located under the trailer or behind access panels). Usually, there are two – one for the hot water line and one for the cold water line.
- Open the drain plug on the water heater. Important: Make sure the water heater bypass valve is set to bypass the water heater to prevent filling it with antifreeze during winterization. Ensure the water heater is cool to the touch before draining to avoid burns. Replace the drain plug securely after draining.
- Flush the toilet several times to remove antifreeze from the black water tank.
3. Flush the Water System
- Connect the fresh water hose to the city water inlet on your RV.
- Turn on the water supply and let it run through each faucet (hot and cold), toilet, and shower until the water runs clear and there is no trace of antifreeze (usually pink or blue). This may take some time, so be patient.
- Don’t forget the outside shower and any ice maker lines.
4. Sanitize the Water System
Sanitizing the water system is vital to remove any bacteria or algae that may have accumulated over the winter.
- Prepare a sanitizing solution: Mix 1/4 cup of household bleach for every 15 gallons of water tank capacity. A commercial RV water tank sanitizer can also be used according to the manufacturer’s instructions.
- Pour the sanitizing solution into the fresh water tank.
- Fill the fresh water tank completely with water.
- Open all faucets (hot and cold) until you smell the bleach solution. Then close the faucets.
- Let the solution sit in the water system for at least four hours, but preferably overnight.
- Drain the fresh water tank and flush the entire water system with fresh water until the bleach smell is gone. This step is crucial; continue flushing until no bleach odor remains.
5. Inspect and Test the Plumbing
- Check for leaks: Carefully inspect all faucets, connections, and pipes for any signs of leaks. Turn on the water pump to pressurize the system and check again.
- Inspect water pump: Ensure the water pump is functioning correctly and not making excessive noise. Check the strainer for debris.
- Check the toilet: Flush the toilet several times to ensure it is working properly.
6. Prepare the Water Heater
- If you bypassed the water heater during winterization, reset the bypass valve to allow water to flow into the water heater.
- Ensure the drain plug is securely tightened.
- Fill the water heater and check for leaks.
- Test the water heater’s heating element to ensure it is working correctly.
7. Battery Check
- Clean the battery terminals with a wire brush and baking soda solution (if corroded).
- Check the water level in the battery (if applicable) and add distilled water as needed.
- Charge the battery fully before your first trip.
8. Propane System Check
- Check the propane tank levels.
- Visually inspect the propane lines for any damage or leaks.
- Test the propane appliances (stove, oven, refrigerator, furnace) to ensure they are working properly.
- Consider a propane leak test using a soapy water solution on all connections.
9. Tire Inspection
- Check the tire pressure and inflate to the recommended pressure (found on the tire sidewall or RV door jamb).
- Inspect the tires for any signs of wear and tear, such as cracks or bulges.
- Check the torque on the lug nuts.
10. Exterior Inspection
- Inspect the roof for any damage or leaks.
- Check the seals around windows and doors.
- Clean the exterior of the RV.
- Lubricate all moving parts, such as door hinges and awning arms.
Frequently Asked Questions (FAQs)
FAQ 1: Can I use regular antifreeze instead of RV antifreeze?
No! Never use regular automotive antifreeze in your RV’s water system. It is toxic and not safe for potable water systems. Only use RV antifreeze, which is specifically designed for this purpose and is non-toxic.
FAQ 2: How do I know if I have a water heater bypass valve?
Look for a set of valves located near the water heater. Typically, there are three valves. In the bypass position, water is diverted around the water heater. Consult your RV’s owner’s manual for specific instructions. If you are unsure, consult a qualified RV technician.
FAQ 3: How often should I sanitize my RV water system?
Sanitize your water system at least once a year, after winterization, or whenever you suspect contamination. If you frequently use your RV, sanitizing it every six months is recommended.
FAQ 4: What if I still smell antifreeze after flushing the system?
Continue flushing the system with fresh water. It can sometimes take multiple flushes to completely remove all traces of antifreeze. If the smell persists, try adding a small amount of baking soda to the water tank during the final flush.
FAQ 5: My water pump is making a lot of noise. What could be the problem?
A noisy water pump can indicate several issues, including air in the lines, a clogged strainer, or a failing pump. Check the strainer first, and then bleed any air from the lines by opening and closing faucets. If the problem persists, the pump may need replacement.
FAQ 6: How do I check for propane leaks?
Mix a solution of soapy water and apply it to all propane connections. If bubbles form, it indicates a leak. Never use a flame to check for propane leaks. If you suspect a leak, turn off the propane and contact a qualified RV technician immediately.
FAQ 7: Can I use a pressure washer to clean my RV?
While pressure washing can be effective, be extremely cautious. Use a low-pressure setting and avoid spraying directly at seals, windows, and vents. High pressure can damage the finish and force water into the RV.
FAQ 8: What should I do with the low point drain caps?
Keep them in a safe place where you won’t lose them. It is important to replace them after draining the antifreeze.
FAQ 9: How much antifreeze should I use to winterize my RV?
This will vary on the size of your RV. Consult your RV’s user manual to see the amount of antifreeze needed.
FAQ 10: What if I forgot to bypass my water heater before winterizing?
You will have to bypass your water heater and drain it before you can de-winterize.
FAQ 11: How do I store my RV’s battery when not in use?
Ideally, store the battery in a cool, dry place on a wooden pallet to prevent it from discharging on a concrete floor. Check the charge monthly and top it off as needed. Consider using a battery maintainer to keep it charged.
FAQ 12: What if my RV’s water heater smells bad?
This is usually due to sulfur bacteria in the water heater. Drain the water heater, flush it thoroughly, and then sanitize it with a bleach solution. You may need to repeat the process several times to eliminate the odor completely.
Conclusion
De-winterizing your RV trailer properly is a crucial step in ensuring a safe and enjoyable camping season. By following these steps and addressing potential issues proactively, you can avoid costly repairs and enjoy worry-free adventures on the road. Remember, when in doubt, consult a qualified RV technician.