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Old 11-11-2013, 02:44 PM   #1
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Newbie wInterizing an RV

Hoping for some winterizing advise. We have a forest river xlr and have never used the water heater or water pump. We only hooked up to park water one time and used one faucet and toilet. Is it necessary to do the full winterizing exercise or is it possible to just drain the black and gray tanks?
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Old 11-11-2013, 02:49 PM   #2
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if you hooked up to park water,then you have water in your lines to the sink,vanity tub and toilet.also ,unless your w/h bypass was on,you will have a water heater full of water.
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Old 11-11-2013, 03:21 PM   #3
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Being around Ft. Worth, I would fully winterize. It's been known to freeze in that part of Texas.
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Old 11-11-2013, 05:18 PM   #4
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Quote:
Originally Posted by munndl View Post
Hoping for some winterizing advise. We have a forest river xlr and have never used the water heater or water pump. We only hooked up to park water one time and used one faucet and toilet. Is it necessary to do the full winterizing exercise or is it possible to just drain the black and gray tanks?
Yes you need to fully winterize it.
Being hooked up to park water is the same as using your pump for winterizing purposes.
Don't forget to drain your freshwater tank also. Even if you didn't put water in it, the dealer probably did to test the pump etc..
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Old 11-11-2013, 05:53 PM   #5
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Thanks for the advise! So now I need to know if the bypass valve to the water heater was on or not. Where is that located? Is that on the outside panel or would it be under the sink?
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Old 11-11-2013, 05:59 PM   #6
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On my Cruise Lite it is under the sink. There are actually three valves. you close the two going to the water heater and open the one that then bypasses it.
Once you see it, you will see what I mean.
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Old 11-11-2013, 08:14 PM   #7
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No luck finding any kind of valves. Looked under sinks, under bed and outside.
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Old 11-11-2013, 08:46 PM   #8
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You can tell where your water heater is on the outside. Figure out where that is on the inside. It's got to be there somewhere.
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Old 11-11-2013, 09:17 PM   #9
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I have unscrewed every panel remotely near the water heater and nothing. Is it possible to pump the antifreeze in without bypassing the water heater? I know it will use more...
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Old 11-11-2013, 09:56 PM   #10
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Your bypass valves are going to be on the backside of the water heater itself.
Yes, you can winterize by filling the water heater with antifreeze, but nobody likes doing that. It'll use 6 gallons of anti freeze in the water heater alone.
It is possible that your camper did not come with a water heater bypass installed, though that is rather rare these days.
Once you find the backside of the water heater, ensure that you can see one water line going into the cold fitting (bottom) of the water heater, and one water line coming out the hot fitting (top), with no connecting line between the two lines with one or more valves in the circuit.
If you establish that you do not have a bypass kit installed, I'd recommend purchasing one and installing it yourself, then winterizing. They really aren't that hard to install.
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