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Old 09-14-2016, 08:25 AM   #1
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Winterizing (yeah sorry) a 31FK

Our 2016 Greyhawk 31FK is new to us; we're second owner so no PDI.

I'm just wondering that if I flip the control valves to Winterize, does the water filter come out of the loop? Or do I need to pull the back wall down to get to the filter and flip some valves by the filter itself?

Hope that question makes sense.
thanks!
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Old 09-14-2016, 08:53 AM   #2
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In most cases the filter will need to be removed and the manufacturer should have included a length of hose to take it's place when winterizing.
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Old 10-17-2016, 11:18 PM   #3
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I would take it out and leave it out and use a Camco inline filter on your hose.
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Old 10-18-2016, 11:25 PM   #4
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Originally Posted by pconroy View Post
Our 2016 Greyhawk 31FK is new to us; we're second owner so no PDI.

I'm just wondering that if I flip the control valves to Winterize, does the water filter come out of the loop? Or do I need to pull the back wall down to get to the filter and flip some valves by the filter itself?

Hope that question makes sense.
thanks!
Well, here's what I learned tonight doing our first winterization - hope it helps another 31FK owner. [ I'm in a 2016 31FK with a Girard Gen II water heater. ]

1. You have to remove the filter from the canister. I didn't see a way to isolate the filter from the flow
2. Closing the valves to the water filter canister stops the flow - leave them open (hence #1, remove the filter)


It took 2 gallons and here's my procedure:
1. Turned off water heater (red off button) outside
2. Flipped valves to "Winterize" (It's '2' and '4' if I remember)
3. Removed water filter from canister, put canister back on
4. Flipped screen on City inlet around, so the peak points in and depresses the check valve
5. Hose from City in, and into pink RV antifreeze
6. Enter coach and flip water pump on.
7. Run sinks (hot and cold), shower (hot and cold) and toilet until pink stuff appears
8. Water pump off. Pour antifreeze down p-traps.
9. Head outside, pump back on and run outside shower (hot and cold) until pink antifreeze appears
10. Pump off
11. Propane off. Power off.


I'm pretty sure that I have a filter canister filled with antifreeze, so be careful when you remove it to put the filter back in.

Hope that helps someone else!
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Old 10-19-2016, 12:04 PM   #5
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Did you drain the water heater?
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Old 10-19-2016, 12:47 PM   #6
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what about draining the fresh water tank? antifreeze thru commode line and in bowl and in traps shower and sinks
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Old 10-19-2016, 03:45 PM   #7
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The tankless water heaters do not need to be drained during winterization. No tank to drain!
PConroy, Good procedure and description. I do not use the house water filter. I use the Camco exterior filter as someone mentioned above. I have never opened the canister that is below the bathroom sink.
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Old 10-19-2016, 04:20 PM   #8
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Maybe tank less water heaters need not be drained on Long Island but I would not bet on that in Denver. JMO, no experience with tank less water heaters but lots of experiences with freezing.
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Old 10-19-2016, 10:55 PM   #9
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Maybe tank less water heaters need not be drained on Long Island but I would not bet on that in Denver. JMO, no experience with tank less water heaters but lots of experiences with freezing.
Yep - forgot to mention to drain the tanks: fresh, grey and black.



There's nothing to drain on a tankless. At least not like my old Atwood 6 gallon one. There's no tank to drain - just lines running thru the boiler.

But I did pump antifreeze thru everything. That's why I shut mine off. When the water heater senses flow thru the hot lines, it'll fire up.

So I shut it off and then ran the faucets until pink stuff came out of hot and cold.
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Old 10-24-2016, 07:49 AM   #10
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Don't forget to take the batteries out of the keyless entry lock or it will be corroded in the spring!


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