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Old 12-07-2009, 04:36 PM   #15
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It takes more than just opening the drains to winterize your Airstream properly. You could still have major problems if you don't do a proper procedure to protect your supply and drain lines. It requires either blowing the lines out or adding rv anti-freeze to your water lines and drain traps to prevent them from freezing. Even a couple of inches of water in the bottom of a drain can burst it open. Same with water supply lines.
Good luck with your winter fun. I'm trying to seal up some very pesky leaks that have eluded me for a year now.
Rich the Viking
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Old 12-08-2009, 12:02 PM   #16
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Yeah, I kinda figured from all the threads on winterizing it takes more than that! But in an emergency, I can only do the best I can! Willamette Valley Oregon is not usually a below 30s place, so now I know to next time plan for the worst and make sure the propane furnace is working!

I did pour glycol into the drains yesterday, so that's done. And today a handyman friend is going to come check the furnace and the water, so cross fingers!

Camilla
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Old 12-08-2009, 12:16 PM   #17
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Good luck to you Camilla!
My copper supply lines were subjected to freezing at some point in their life, maybe repeatedly. They were visibly swelled, but had no leaks, so just because you have a freeze, doesn't mean you will have a leak.
If you can't get the furnace working try using a space heater or two to keep the temps up inside, and leave the lower cabinet doors partially open to allow warm air into the plumbing areas. If you can maintain the inside temp above freezing reliably, you can leave the water on full-time and not have to deal with winterizing. Also, if you are not moving your rig regularly you may want to put a skirt of hay bales, or plywood panels to keep the wind out from underneath your Airstream, and retain some of the heat you are losing out the floor now.
Happy holidays to you!
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Old 12-08-2009, 12:21 PM   #18
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There's also the light bulb under the tanks—incandescent lights are so inefficient that they are really heating devices that give off some light.

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Old 12-12-2009, 09:17 AM   #19
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If we know it's going to freeze...we will turn the water off outside at the source, and then open all the faucets in the house so the water will drain out. I think if I remember right - that airstreams are built in a way that the water will drain out. And of course we have the trailer under pinned so wind won't pass below.
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Old 12-13-2009, 11:08 PM   #20
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Freeze

Wintering in Central Oregon has caused me to become concerned with low temps. We just went though several days of under 30 deg high and nights of -10. Did go through a lot of propane and still had freeze of shower trap and the pipes crossing under floor from pump on street side to curb side, toilet and sink, and galley sink.
The fix of the cross over was easy once I knew where to find it. Just behind the pump the pipes go though a chanel under floor that is not heated enough. By useing a short piece of 2" flex ducting and "T"ing it off the heating duct that serves the mid heat vent, when ever the furnace runs the chanel and pipes are heated, no freeze. But you do have to uses the furnace. In real cold weather don't turn the heat way back at night. I do use a small space heater to assist furnace.
What I have been doing with the shower trap is blowing it out after use with plunger and then plug outlet so any water left in the show does not enter trap. Seems to be working but I am going find out how to access the trap and heat it with furnace duct.
The only other trouble was toilet when closed the sliding door to the cabinet next to base of toilet.
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Old 12-15-2009, 01:31 PM   #21
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Scott, why not just put some antifreeze in the shower trap? That seems a lot simpler.

Haven't seen any posts from you in quite a while—has your new FC been leakfree?

Gene
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Old 12-15-2009, 02:34 PM   #22
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I might have some mid-20 nites ahead of me but days in the 40's... Do I understand it right that running the furnace and some anti-freeze in both holding tanks should get me thru this? Asume I don't have winds blowing around... Is the fresh water tank heated enough by the furnace?

Above freezing during the day is probably big help...

Thanks!
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Old 12-15-2009, 02:50 PM   #23
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Hi Gene, No leaks at this time and we have had a lot of rain and now freeze. I consider the anti freeze and may use it but use of small plunger is working fine untill I get a heat duct to it.
I emailed the ducting photo the Dave S at AS and he has forwarded to engineering. To simple not to be used.
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