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10-30-2013, 01:26 PM
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#1
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2 Rivet Member
2014 25' FB Eddie Bauer
Knoxville
, Tennessee
Join Date: Aug 2013
Posts: 33
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Tank heaters-forced air?
I thought my 25EB had tank heaters, but I see it is "forced air". I guess that means I have to have the furnace on to heat the tanks? Trying to decide whether to winterize or keep unit heated this winter. Stored in carport attached to brick house, thinking of skirt with heat lamp underneath, maybe running furnace with cabinet doors open..... It can get cold in E TN. Any suggestions?
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10-30-2013, 01:41 PM
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#2
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Rivet Master
2012 25' Flying Cloud
Battle Lake
, Minnesota
Join Date: Jun 2009
Posts: 7,714
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Definitely winterize it. Too many ways the heat could fail or not be enough and you would have severe and costly damage to your plumbing system throughout the trailer.
Winterizing is easy, a good method is in the owners manual.
__________________
Doug and Cheryl
2012 FC RB, Michelin 16, ProPride 1400
2016 Ram 1500 Laramie Crew Cab 4X4 Ecodiesel 3.92 axles
The Truth is More Important Than the Facts
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10-30-2013, 01:41 PM
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#3
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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I performed a mod whereby I can run my furnace blower at a variable speed independent of furnace operation. That way I can put in an electric heater and keep warm air flowing to the tank areas whenever I want, without burning propane.
As an alternative, since you are further south, when the forecast is mid 20's or below for more than overnight, set your furnace to 40 or 50* and open the cabinet doors.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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10-30-2013, 01:43 PM
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#4
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2 Rivet Member
2007 27' Safari FB SE
Springfield
, Virginia
Join Date: Aug 2010
Posts: 82
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Quote:
Originally Posted by Jfed
I thought my 25EB had tank heaters, but I see it is "forced air". I guess that means I have to have the furnace on to heat the tanks? Trying to decide whether to winterize or keep unit heated this winter. Stored in carport attached to brick house, thinking of skirt with heat lamp underneath, maybe running furnace with cabinet doors open..... It can get cold in E TN. Any suggestions?
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Winterized it. I store my 27FB in east TN at my Dad's house (he has covered storage). One year I winterized but forgot about the water filter under the kitchen sink and the thing exploded after a freeze.
It's quick and easy to winterize. Running the furnace, even at a low temp setting will be expensive due to propane use. Skirting and heating might work, but I'd be wary. Another thing you must consider is loss of electricity and you not around to address the issue.
My recommendation is to winterize.
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10-30-2013, 01:44 PM
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#5
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Moderator
Vintage Kin Owner
...
, ...
Join Date: Jul 2007
Posts: 11,696
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Most of your freeze protection efforts should be focused on water lines and p-traps. You can blow the lines clear with compressed air or fill them with RV antifreeze. A shot of antifreeze in the p-traps usually does the trick there.
If you are storing for the Winter then the tanks (fresh, gray, black, and water heater) are typically stored dry, though some do fill the water heater with RV antifreeze. Even if a small amount of residual water remains in the tanks after your emptying effort there is usually room for freeze related expansion.
__________________
"One of the best lessons I've learned is that you don't worry about criticism from people you wouldn't seek advice from."
William C. Swinney
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10-30-2013, 04:26 PM
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#6
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Moderator
2004 30' Classic Slideout
Fenton
, Missouri
Join Date: Mar 2002
Posts: 10,408
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Quote:
Originally Posted by Jfed
I thought my 25EB had tank heaters, but I see it is "forced air". I guess that means I have to have the furnace on to heat the tanks? Trying to decide whether to winterize or keep unit heated this winter. Stored in carport attached to brick house, thinking of skirt with heat lamp underneath, maybe running furnace with cabinet doors open..... It can get cold in E TN. Any suggestions?
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Winterize. It won't take that long. I blow out my lines and then pump in RV anti-freeze via the water pump. As others have noted don't forget to winterize the spray hoses (sink and toilet) and pour some anti-freeze directly into the drains to winterize the traps. If you have an outside water faucet don't forget to blow it out and pump some anti-freeze through it. The low water drains, hot and cold need to be blown out. Since they are low those are the last two valves I open up when pumping anti-freeze.
I leave the water heater drain plug out. What ever water is left in the tank will cause no concern. Same goes with the fresh water tank. While opening up the drain valve may leave a small amount of water in the tank, what is left will cause no damage.
Blowing out with air will remove most of the water. For most of us the anti-freeze is a safety in case some droplets of water were left behind in the blow out process. Leave some anti-freeze in the toilet bowl itself. That will keep the seal lubricated and moist. Any pink color on the bowl left from the standing anti-freeze can be removed in the spring.
Jack
__________________
Jack Canavera
STL Mo.
AIR #56 S/OS#15
'04 Classic 30' S.O.,'03 GMC Savana 2500
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10-30-2013, 04:49 PM
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#7
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Rivet Master
1974 Argosy 20
2014 20' Flying Cloud
Kooskia
, Idaho
Join Date: Jul 2009
Posts: 4,591
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In addition to what Jack Canavera says above, don't forget to use compressed air to blow out the black water tank wash system. There is a check valve in it, and there is no way to drain the line without blowing compressed air through it. This applies to all of the newer Airstreams with black water tank flush factory installations.
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10-30-2013, 06:42 PM
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#8
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Moderator
2004 30' Classic Slideout
Fenton
, Missouri
Join Date: Mar 2002
Posts: 10,408
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Quote:
Originally Posted by idroba
In addition to what Jack Canavera says above, don't forget to use compressed air to blow out the black water tank wash system. There is a check valve in it, and there is no way to drain the line without blowing compressed air through it. This applies to all of the newer Airstreams with black water tank flush factory installations.
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Well you just turned a new page with me. I've never investigated this component. I guess I thought it was a direct connect with the inlet sitting directly against the tank with the sprayer on the other side. I've never blown this out in 10 years of use. Do some models have a significant piece of pipe connecting the inlet to the spray assembly in the tank?
Jack
__________________
Jack Canavera
STL Mo.
AIR #56 S/OS#15
'04 Classic 30' S.O.,'03 GMC Savana 2500
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10-30-2013, 07:55 PM
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#9
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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Jack,
I think on your unit you'll find, under the bath sink, the flush line runs up the wall about 18" and then back down to the black tank. There is a check valve at the hose connection, so water sits in the line from the hose connection up to the top of the rise. (about 3' of line)
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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10-30-2013, 08:12 PM
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#10
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Moderator
2004 30' Classic Slideout
Fenton
, Missouri
Join Date: Mar 2002
Posts: 10,408
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Quote:
Originally Posted by dznf0g
Jack, I think on your unit you'll find, under the bath sink, the flush line runs up the wall about 18" and then back down to the black tank. There is a check valve at the hose connection, so water sits in the line from the hose connection up to the top of the rise. (about 3' of line)
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Quite frankly I'm surprised that in my trailer's first 3 years of life, when I stored it outdoors that I didn't crack a pipe. I used it a couple of weeks back on my last outing of the year. The last 6 years Ive stored it in a garage and although the garage isn't heated, it is well insulated and based on the thermometer in the trailer, it hasn't gotten below freezing for quite a few years. Before winter sets in I think I'll drive out and take my compressor and blow it out. I'll look for that pipe in the bathroom sink cabinet. Thanks for the heads up. I'll let you know what I find.
Jack
__________________
Jack Canavera
STL Mo.
AIR #56 S/OS#15
'04 Classic 30' S.O.,'03 GMC Savana 2500
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10-30-2013, 08:29 PM
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#11
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Rivet Master
1974 Argosy 20
2014 20' Flying Cloud
Kooskia
, Idaho
Join Date: Jul 2009
Posts: 4,591
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Jack: Some of the people with the Interstate have had that line freeze, or the check valve to it, and apparently it is virtually impossible to get at in those units. What happened to them is when they went to use the black tank flush, they had a serious water leak.
On my 2014 FC 20' the same black flush line is located behind the shower and there is no way to get at it short of total shower removal (or so I think). So that is why I added that to your list of things to do when winterizing the newer Airstreams which have this feature.
Best to be safe at any rate.
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11-16-2013, 04:34 PM
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#12
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2 Rivet Member
1967 24' Tradewind
Greenville
, North Carolina
Join Date: May 2013
Posts: 38
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I have an older Airstream (67 Tradewind) with no diverter valve on the (original) hot water heater.
Does anyone know any tricks for getting antifreeze into the hot water supply lines without having to fill up the 10 gallon hot water tank? Or do I just bite the bullet and spend $50 on antifreeze, and try to reuse it for a few years.
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11-16-2013, 04:39 PM
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#13
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Rivet Master
1981 31' Excella II
New Market
, Alabama
Join Date: Sep 2011
Posts: 6,145
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Blow the pipes out with air.
Perry
Quote:
Originally Posted by retrocar66
I have an older Airstream (67 Tradewind) with no diverter valve on the (original) hot water heater.
Does anyone know any tricks for getting antifreeze into the hot water supply lines without having to fill up the 10 gallon hot water tank? Or do I just bite the bullet and spend $50 on antifreeze, and try to reuse it for a few years.
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11-29-2013, 11:12 PM
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#14
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Rivet Master
2015 25' FB Eddie Bauer
2013 25' FB Eddie Bauer
2012 20' Flying Cloud
Small Town
, *** Big Sky Country ***Western Montana
Join Date: Feb 2010
Posts: 2,860
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Unless you have a need to use the water system in the winter ... it is much cheaper to winterize than to repair (or pay to) damage from freezing. What causes the most problems are temps in the 28-32 degree range around here. Use air / drain / the hot water heater by-pass to not fill the HWH with anti-freeze.
__________________
2015 25' Eddie Bauer Int'l FBQ / 2023 Ford Lightning ER
2022 Ford F350 6.2 V-8; equalizer hitch + Shocker air hitch
Honda Eu3200; AIR# 44105; formerly WBCCI 2015.1
Terminal Aluminitis; 2-people w/ 3+ dogs
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11-30-2013, 09:57 AM
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#15
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Rivet Master
1988 32' Excella
Robbinsville
, New Jersey
Join Date: May 2012
Posts: 3,164
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Quote:
Originally Posted by retrocar66
I have an older Airstream (67 Tradewind) with no diverter valve on the (original) hot water heater.
Does anyone know any tricks for getting antifreeze into the hot water supply lines without having to fill up the 10 gallon hot water tank? Or do I just bite the bullet and spend $50 on antifreeze, and try to reuse it for a few years.
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Many people install a bypass kit.
Amazon.com: Camco Quick Turn Permanent Waterheater Bypass Kit: Sports & Outdoors
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