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Old 07-25-2011, 05:46 PM   #1
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Join Date: Aug 2002
Location: Greenville,SC, USA
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Aqua-Hot 375LP question

I am currently looking at the 2012 Entegra Aspire 40DRQ, and buried in the specs is a note that the Hydraunic unit available in that coach is the Aqua-Hot 375 LP. I went to the Aqua-Hot site and found the unit but it appears to be the smallest capacity unit they make, and, as implied by the LP at the end of its model number, it is a propane unit.
I am somewhat concerned about this unit both with respect to capacity, and perhaps even more with regard to the LP aspect. I would appreciate any and all feedback from this forum. SZ

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Old 07-25-2011, 09:18 PM   #2
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Newmar Owners Club
Spartan Chassis
Join Date: Oct 2009
Location: Deer Creek, Davenport FL
Posts: 7,443
Our 43' rig has the 375D, essentially the same unit except for the fuel. We had problems right out of the box that the dealer was not successful in repairing. Eventually an Aqua Hot rep got his hands on it and it has worked since. The electric element is more than needed this time of year, just to maintain hot water for showers and other needs. We used the diesel heater over a 4 day dry camping trip a couple weeks ago and it seemed to cycle very infrequently while keeping us supplied with all the hot water we needed. It's our first rig with hydronic heating and we really like the 'furnace' function too (once it was working). Much quieter than any of the LP furnaces we ever had. There too, if the temps are only in the 50s, the electric element may be enough for both heat and hot water. The only thing the 375 does not have that I'd like is the engine loop. The 475 model will use engine heat to get the boiler up to initial temp, or in reverse, to pre-heat a cold engine.

Something I'd be interested in, if contemplating an LP unit, is how much LP is it likely to use under the conditions I'd typically be using it? I always considered having to find an LP outlet that I could get the motor home into a big PITA. For us its now one stop for fuel and all systems are go.

Jay & Peggy Monroe with Dolly
Can't take it with you - don't plan on leaving any behind
2016 Newmar London Aire 4553, Spartan chassis
2017 GMC Acadia toad
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Old 07-26-2011, 07:02 PM   #3
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We are getting ready to take possession of a new Itasca Ellipse 42qd. It has an aqua hot system 450d. I have not had an aqua hot system before, but the fact that it uses diesel was a big plus. In fact the only use for propane is the stove top given we have a residential fridge

Bob Schlesinger
2018 Mountain Aire 4531
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Old 07-27-2011, 12:43 PM   #4
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We have the 450D also. It will keep you warm and toasty when it's cold outside.
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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