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HVAC, Air Conditioners, Aqua Hot, Primus, Webasto, Chassis Heaters, Furnaces and Water Heaters Questions and information about the wide variety of Heating and Air Conditioning as well as Water Heater systems available are discussed here.

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  #1  
Old 10-03-2017
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pattic777 pattic777 is offline
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Default Aquahot exhaust and sewer hose location

On our 2000 LXi, the Aqua Hot exhaust is right beside the area where the sewer hose connects/exits the rig. We have managed to melt one sewer hose by not considering well where it was located before using the furnace... particularly when we are at campgrounds where the utilities are at the back corner of the bus (like at Casper fairgrounds west side), the sewer hose gets located right past the exhaust of the Aqua Hot.

Other than just being very vigilant and making sure that we run the sewer hose well away from the bus before heading back... has anyone come up with additional solutions? Is there a reason that the Aqua Hot exhaust needs to be right there? I suspect it would be non-trivial to move it, but it seems to me that it would have made more sense if it exhausted from the bay where the Aqua Hot is located...
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  #2  
Old 10-03-2017
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It would be tough to move if the exhaust is through the roof which I think it is on your coach. Just going to have to give that hot pipe some respect and keep the dump hose away or build a shield.
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  #3  
Old 10-03-2017
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pattic777 pattic777 is offline
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Quote:
Originally Posted by Rick View Post
It would be tough to move if the exhaust is through the roof which I think it is on your coach. Just going to have to give that hot pipe some respect and keep the dump hose away or build a shield.
The generator exhausts through the roof, but the Aqua Hot only seems to exhaust to the side. In addition, the generator exhaust is at the bay where I wish the Aqua Hot exhaust was...
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Patti Cartwright, now with just Miss Kitty
home is where we park Miss Doozie, a 2000 43' LXi Millennium Edition F128750
with 2010 Red Jeep Liberty toad
cellphone: 214-952-9415
Patti@Cartwright.net
http://trekincartwrights.blogspot.com/

Current location: http://www.bbirdmaps.com/user2.cfm?user=421
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  #4  
Old 10-03-2017
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why can you not tie into the up pipe exhaust????????

stupid the way they run them out the side
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Old 10-03-2017
Dave Stokes Dave Stokes is offline
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Quote:
Originally Posted by rwoody View Post
why can you not tie into the up pipe exhaust????????

stupid the way they run them out the side
I have often wondered this myself. I figured it must create a problem when the genset is running impeding the exhaust of the AH oo causing too much back pressure for it.
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  #6  
Old 10-04-2017
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Another senior moment. Of course the aqua hot exits below. Safety incase of a fuel failure and very little pressure to move the exhaust fumes. Ever see raw fuel run out the pipe? No good if that were to light.
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  #7  
Old 10-04-2017
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Quote:
Originally Posted by Rick View Post
Another senior moment. Of course the aqua hot exits below. Safety incase of a fuel failure and very little pressure to move the exhaust fumes. Ever see raw fuel run out the pipe? No good if that were to light.
Ah... ok... now I understand why it doesn't run up to the top. Thanks for that!

Does anyone have an inspired method to protect your sewer hose from the Aqua Hot exhaust?
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Patti Cartwright, now with just Miss Kitty
home is where we park Miss Doozie, a 2000 43' LXi Millennium Edition F128750
with 2010 Red Jeep Liberty toad
cellphone: 214-952-9415
Patti@Cartwright.net
http://trekincartwrights.blogspot.com/

Current location: http://www.bbirdmaps.com/user2.cfm?user=421
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  #8  
Old 10-04-2017
rrueckwald rrueckwald is offline
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Having had "the experience" once, it is probable you will never make that "experience" again. Why mess with it?

In thinking about it, the design seems to unfold like this, my guess. BB wanted the genset exhaust as far back as they could, and through the roof, for CO reasons, especially going down the road. The A-H exhaust would have to be aft of that to avoid having to cross the pipes underneath, making one far too low. Ergo, it is where it is. Seems logical.

Rick is right; in some failure modes raw fuel does come out the pipe. Had that myself.
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Last edited by rrueckwald; 10-04-2017 at 09:46 AM.
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  #9  
Old 10-04-2017
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Randy Dupree Randy Dupree is offline
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I have a magic hose.
I dump the tank,then i put the hose away! hah!!! Magic! no more burned up hoses!
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  #10  
Old 10-04-2017
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Lee Davis Lee Davis is offline
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Default AH exhaust

If it's hitting the pipe I suspect Rick's idea of putting a shield on that side of the pipe would work OK. Might take some creativity.

If it's the heat coming out, I got an extension for the exhaust pipe that I can aim in different directions so I don't do something like burn dry grass under the bus. I take it off when the AH is not being used, I suspect you could put a heat shield on an on-and-off exhaust extension pretty easily.
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