Keystone RV: How To Winterize Your RVs water system

I'm really glad I found this series of tips from Keystone RV Company on YouTube. They are great because they help me understand our new Premier travel trailer much better. This video explains how to winterize the RV's water system.


  1. It should be stated that the black tank spray system should be blown clear whether you are winterizing by air or by rv anitfreeze.

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  3. I have a cougar, can't get the hot water to run. The heater works, the by pass valve is off, the heater has water in it. turn the faucet on, nothing, pump works on cold side, not on hot side, won't even come on with city water hooked up. When bypass is on works fine but no hot water, of course. Pop off valve on heater works water is hot when opened. thought maybe I had an air lock. can't figure why heater fills with water but won't come out the faucet, even when hooked direct to city.


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