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03-31-2024, 10:12 PM
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#1
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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Drain lines above above generator on AI
Hi random question
While under getting her stir ready to change oil I saw two black drain lines adjacent to /above generator. I didn’t try to trace lines, anyone know where they go to /come from. ( Doesn’t make sense that they dump on top of generator housing.)
Thanks
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2021 AI 24GL 4wd, “maRVel”
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06-29-2024, 06:39 PM
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#2
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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Hi.( Bumping )
Still wondering if there an answer out there, thinking the fluid / moisture draining would not be good for generator.
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2021 AI 24GL 4wd, “maRVel”
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06-30-2024, 12:17 PM
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#3
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Rivet Master
2024 Interstate 19
Fulton
, Maryland
Join Date: May 2010
Posts: 4,016
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Please post a photo of the lines so we have a better idea what you are talking about and what fluid they might contain. They could just be the propane lines.
What is the size of these lines? What Is their diameter?
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- - Mike
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2024 Airstream Interstate 19e AWD
Previous: 2013 Airstream Interstate 3500 Ext Lounge
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08-04-2024, 07:31 AM
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#4
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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1/2 or 5/8 of lines
Sorry for delay got busy but was under van yesterday . There also a similair line that run in behind cabinet area and when water pump is in a AI 24GL and dumps to roadway.
Thank you Boxer, my question should have provided more details.
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08-04-2024, 07:38 PM
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#5
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Rivet Master
2024 Interstate 19
Fulton
, Maryland
Join Date: May 2010
Posts: 4,016
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Quote:
Originally Posted by 3OnOurWay
Sorry for delay got busy but was under van yesterday . There also a similair line that run in behind cabinet area and when water pump is in a AI 24GL and dumps to roadway.
Thank you Boxer, my question should have provided more details.
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Those look like low point drains for cold and hot water lines.
Airstream doesn't seem to care where they put them. On the AI19s they are right above the rear leaf spring on passenger side with external valves. Several owners have had them get sheared off by the leaf spring and then lose all their water if pump is on.
See attached photo of their poor design. I moved the valves inside as shown in second photo. I can just reach the internal valves from rear of van. Potential problem solved.
__________________
- - Mike
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2024 Airstream Interstate 19e AWD
Previous: 2013 Airstream Interstate 3500 Ext Lounge
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08-05-2024, 07:56 AM
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#6
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4 Rivet Member
2015 Interstate Ext. Coach
Columbus
, Ohio
Join Date: Sep 2016
Posts: 444
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Quote:
Originally Posted by 3OnOurWay
Hi.( Bumping )
Still wondering if there an answer out there, thinking the fluid / moisture draining would not be good for generator.
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************************************************** ***********
Since the generator will get wet/dirty from normal driving in the rain etc, I wouldn't worry about the water from the low point drains hurting anything. After all, how many time will you winterize it and flush out those lines?
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Adventure before Dementia!
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08-05-2024, 09:30 AM
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#7
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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Thanks all for the responses. I agreed generator does live a hard life down there with road scum. I cleaned it when I changed the oil yesterday.
Unlikely they are Lowpoint drains on the 2021 the low point drains are closer to where the gas connection is and they’re made out of that same PEX type hose. This hose appears more automotive. It’s those two black lines and that’s about the middle of the floor of the MH
__________________
2021 AI 24GL 4wd, “maRVel”
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08-05-2024, 04:47 PM
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#8
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Rivet Master
2015 Interstate Grand Tour
Salem
, New Hampshire
Join Date: Jun 2022
Posts: 1,030
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Quote:
Originally Posted by 3OnOurWay
Thanks all for the responses. I agreed generator does live a hard life down there with road scum. I cleaned it when I changed the oil yesterday.
Unlikely they are Lowpoint drains on the 2021 the low point drains are closer to where the gas connection is and they’re made out of that same PEX type hose. This hose appears more automotive. It’s those two black lines and that’s about the middle of the floor of the MH
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This might help.
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08-05-2024, 06:03 PM
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#9
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1 Rivet Member
Atlanta
, Georgia
Join Date: Mar 2020
Posts: 16
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I think you are referring to the drains from your tankless hot water heater. One pressure relief drain and one freeze protection drain.
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08-06-2024, 09:37 AM
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#10
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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Thank you. I had checked it but didn’t see these two.
I wonder why tankless driving lines are missing off this pdf.
Poster below nailed it.
__________________
2021 AI 24GL 4wd, “maRVel”
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08-06-2024, 09:37 AM
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#11
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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Quote:
Originally Posted by Coffee Break
I think you are referring to the drains from your tankless hot water heater. One pressure relief drain and one freeze protection drain.
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You nailed it. Thank you, Makes sense now!
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08-07-2024, 07:01 AM
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#12
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2 Rivet Member
2022 Interstate 24GT
Austin
, Texas
Join Date: Feb 2022
Posts: 29
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In our GT, you can access the drain valves by removing a cup holder on the curb side just in front of the couch. I would guess your GL is similar. I have used them when I winterized the van by either pumping RV antifreeze or blowing low pressure compressed air through the system.
-Bill
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08-07-2024, 11:48 PM
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#13
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4 Rivet Member
2021 Interstate 24GL
, California
Join Date: Oct 2023
Posts: 429
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GL drain lines
Quote:
Originally Posted by WBB
In our GT, you can access the drain valves by removing a cup holder on the curb side just in front of the couch. I would guess your GL is similar. I have used them when I winterized the van by either pumping RV antifreeze or blowing low pressure compressed air through the system.
-Bill
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Hi thanks yes the curb side drain lines are under the cup holder by rear lounge
And the road side drains are behind drawer under sink on a GL
The lines in picture, above generator are most likely tankless hot water (Thanks to post above )
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