Skip to main content ↑ ↓
Topic: Aquahot Register Orientation (Read 508 times) previous topic - next topic

Aquahot Register Orientation

Been lurking on the forum for about a year now, reading as much as I could. We just started the renovation on our coach, first order of business was to take out the couch in our 36' 2000 U320 and replaced it with a small loveseat recliner - which gave us a lot more room between the couch and the drivers seat.  To give as much room as possible I'd like to build a small enclosure for the aquahot register so it is vertical instead of laying flat, but wanted to make sure this would not pose a problem (not sure if orientation is important or not for them - all the others in the coach appear to be horizontal). Does the register orientation matter?

Thanks, Tim
Pursuing God's Delicious Unknown
in a 36' 2000 U320

Re: Aquahot Register Orientation

Reply #1 –
Tim, I don't believe there is any issue with orienting the AH heat exchanger vertically.  Make sure there is at least as much incoming air opening as output and the hoses are supported.  Rudy would have a definitive answer.
Roger Engdahl and Susan Green
2001 U320 3610 #5879 (Home2) - 2014 Jeep Cherokee or 2018 F150
Hastings, MN

Re: Aquahot Register Orientation

Reply #2 –
One of the hoses is incoming hot coolant and the other is outgoing coolant.  It would be best to have incoming on the lower end and outgoing on the upper end.  This helps prevent an air bubble being stuck in the fan coil.  All the best determining which is which.
Rudy Legett
2003 U320 4010 ISM 450 hp
2001 U320 4220 ISM 450 hp
1995 U320 M11 400 hp
1990 Granvilla 300 hp 3208T
Aqua Hot Service Houston and Southeast Texas

Re: Aquahot Register Orientation

Reply #3 –
We mounted our front aqua hot register vertical on our wall last year and there are no issues with this.  Works like it should.  Did not know about incoming or outgoing, like Rudy stated, but either it didn't make a difference or I got lucky!  Who knows.  I have photos on here doing our renovation of our coach flooring and installing 2 RecPro recliners! 
Joe & Dottie Allen
Sold!  December 2023.      2000 U320; build # 5645
Our coach " Maxine"
Motorcade #  15922;  Escapee 150950; FMCA F330833; Boondockers Welcome;  Harvest Hosts;  Thousand Trails
'98 U320 from 2000-'06
USAF '62-'66

"Do not spoil what you have by desiring what you have not; remember that what you now have was once among the things you only hoped for." ―Epicurus

Re: Aquahot Register Orientation

Reply #4 –
I just want to reiterate what was said about making sure to properly support & route the hoses wherever you end up placing it.  I had one of my registers temporarily relocated during some interior work and stressed one hose, not thinking it would be an issue.  I was living in the coach at the time, and I woke up to a floor covered in anti-freeze due to a hose failure.  It failed right at the barb.  Bye bye carpet.
2000 U320 4010