Winterizing an RV
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Learn how to properly winterize RV plumbing lines for cold weather living and storage
Empty the RV's gray and black tanks. Flush the black tank clean. Then, drain the fresh water tank
Drain Water Lines
With your gray tank dump valve(s) open, open all faucets inside to drain any residual water.
Drain Water Heater
Drain the water heater by removing the plug & opening the pressure relief valve. Then, turn on the water heater bypass.
Put Antifreeze in Lines
Pump nontoxic RV antifreeze through your water lines, using the winterize setting on your RV.
Add Antifreeze to Drains
Pour one cup of nontoxic RV antifreeze into the kitchen sink drain, bathroom sink drain & shower drain.
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See more details on the RV winterizing process and learn about proper winter RV storage!
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