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Old 04-11-2021, 11:49 AM   #1
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Long term storage empty tanks

Hi
We have a 2019 Fleetwood Pace arrow LXE 38K diesel pusher.
The coach will be stored plugged in, under cover from April to November.

Need thoughts on storage tanks, fresh, Gray and Black.
Should we leave some water in them or drain them completely?

Will add Diesel Kleen to Fuel tank and then top it off.
Neighbor will check batteries periodically.

Thank you
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Old 04-11-2021, 01:14 PM   #2
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No water period IMHO if in NJ. Seen freezing temps in October.To be safe.Possible cost too high for a freeze up or expecting someone unfamiliar to prevent it. I would be winterizing as well as pink in traps to keep from drying out letting stink past traps ,and toilet some pink backed up to sewer drains to keep seals wet. Empty water heater.
Maybe a dehumidifier set to cycle at higher setting per humidistat , in shower right to drain with gray open. He would only about unplugging it and dump some pink in that drain if it got cold for extended periods.
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Old 04-11-2021, 01:32 PM   #3
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Leave a little water in the black and grey tanks so that any solids won't turn into concrete. The fresh tank needs to be empty.
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Old 04-12-2021, 09:30 AM   #4
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Leave a little water in the black and grey tanks so that any solids won't turn into concrete. The fresh tank needs to be empty.

I agree. Also keeps the seals from drying out.
And yes, if freezing is a concern, then winterize and some pink stuff to gray and black tanks also to protect the seals.
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Old 04-12-2021, 09:36 AM   #5
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I agree. Also keeps the seals from drying out.
And yes, if freezing is a concern, then winterize and some pink stuff to gray and black tanks also to protect the seals.
Sounds like good advice to me!
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Old 04-12-2021, 12:53 PM   #6
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We try and dump the tanks 100 miles before we get home...and recharge them and add back a couple of cups of Oxyclean.... that and say 10 gallons of water in the black tank... a few miles from home we dump the tanks again.... we are surprised how dirty the black tank water is... awful...



Once it's empty we again add the 10 gallons of water and Oxyclean and put the unit away.... if its stored where it can freeze even though we have a heated bay.... we dump all the tanks.... and blow out the fresh water tank an lines.... leaving all the valves open so it can breath and vent off moisture before the bad weather....
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Old 04-12-2021, 02:44 PM   #7
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Good advice

Thank you everyone.
The coach will be stored near Lakeland Florida, freezing highly unlikely

take care
George
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Old 04-12-2021, 07:45 PM   #8
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The pink in the traps/toilet or at least make sure they are full if after any driving and some time with a dehumidifier is still decent plan.
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Old 04-12-2021, 08:03 PM   #9
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You might also want pour a tablespoon or so of mineral oil down drains that have p-traps and in your toilet. Do not use any type of oil besides mineral oil. The reason for this is that it will float on top of the water and keep the water from evaporating and letting the stink out. Good luck.
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Old 04-12-2021, 08:24 PM   #10
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For the diesel I would use CLEAR-DIESEL FUEL & TANK CLEANER by power service.

I just drain my tanks at the end of all trips.
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