RV
Winterization Service
When the temperature drops, your RV’s water system is the first thing affected. Frozen lines, cracked fittings, and damaged pipes lead to expensive repairs.
We provide professional RV winterization service near you to help protect your camper during cold weather. Our team has worked with RV owners across Vancouver and Portland and understands how to prepare every plumbing line, tank, and appliance before freezing temperatures arrive.
RV Winterization Services We Offer
From draining water lines to checking storage-related components, we prepare your RV for cold conditions or long-term parking. Our motorhome winterizing services include the following tasks.
RV Toilet Base Leak Repair
RV Toilet Seal, Gasket, and Flange Repair
RV Toilet Running Water and Valve Repair
RV Toilet Foot Pedal and Linkage Repair
Dometic, Thetford, Aqua Magic, and Sealand Toilet Repair
Draining and Bypassing Water System
Any water left in your RV’s lines, tanks, or fittings can freeze and damage the plumbing. Our winterization service drains the fresh water tank, low-point drains, city water connection, and clears hot and cold water lines. We also empty gray and black tanks to make sure the system is free of standing water.
If you prefer the air method, we use the correct air fitting and compressor setup to remove water safely. Pump suction lines, check valves, and bypass valves are inspected and prepared so the plumbing stays protected through winter.
Our shop serves RV owners in Vancouver and Portland, providing winterizing work that helps prevent leaks and cold-weather damage.
Antifreeze Application and Protection
Missing even one line or fixture during winterization can cause problems later. We run non-toxic RV antifreeze through the plumbing system including the shower line, toilet, bathroom sink, faucet, ice maker, washer, and dishwasher. Fresh water, gray, and black tank protection is also included.
We handle water heater bypassing, tankless water heater preparation, and hydronic heating system winterizing. Our motorhome winterizing service focuses on complete coverage so the plumbing system stays safe during freezing weather.
Checking Seals and Exterior Protection
Cold air and moisture can enter through worn exterior seals. Our RV winterizing service includes inspection of windows, doors, vents, and exterior fittings.
We reseal areas when needed, prepare outside faucets and exterior showers, and secure city water entry points to limit drafts and potential freeze-related issues. Our team provides mobile winterizing service options for RV owners in Vancouver and Portland.
Battery Maintenance and Storage Tips
Cold weather reduces battery performance, especially when the RV remains parked for long periods. As part of our winterization service, we inspect the battery, check the charge level, and confirm that the storage setup is safe for the season.
We also explain practical storage steps that help maintain battery health through winter. Mobile RV winterizing service is available if you prefer assistance at your location.
Tire Pressure Check and Winter Protection
Low temperatures lower tire pressure and can lead to cracks or long-term wear. When preparing your RV for winter, we inspect tire condition, check pressure, and explain safe storage practices to help prevent damage.
With our winterization service near you, your RV will be ready for storage through colder months.
Dewinterization
When the camping season returns, your RV needs to be prepared again for normal use. Some RV owners experience leaks or weak water flow after storage because the plumbing system is not fully restored.
We provide de-winterization services that include flushing antifreeze from the system, resetting the bypass, and testing each fixture and appliance. Our team checks the freshwater system, pump, and connections to confirm they are ready for regular travel.
Why OGRVS?
At OGRVS, we are experts at RV repairs. We are serving in Longview, WA, Battle Ground, WA, Vancouver, WA, and Portland, OR. For technical RV help, call us and get ready for your next adventure!
Certified & Experienced RV technicians
Reliable local service in Longview, Kelso, Vancouver, Portland, and nearby areas.
Frequently Asked Questions
What happens if I don’t winterize my RV?
Freezing temperatures can damage pipes, fittings, appliances, and tanks. Repairs are often expensive and may require replacing multiple components.
How long does RV winterization last?
It usually lasts through the winter season as long as the RV remains stored in cold conditions without running water.
When should I winterize my RV?
Most RV owners schedule winterization when nightly temperatures drop to around 35 to 40°F.
Do I need to de-winterize my RV?
Yes. Antifreeze must be flushed before normal use, and the plumbing system must be restored to regular operation.
How do you de-winterize an RV?
The process includes flushing antifreeze, resetting the water heater bypass, testing fixtures, checking the pump, and preparing gray and black tanks for use.