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Old 01-03-2014, 07:46 AM   #1
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Remove Aquahot and replace with H2O heater?

We have a 98 Monaco Signature Series. We have had over $4k worth of repairs (this year) to our Aquahot unit that now needs to be completely replaced by a new or refurbished unit. We used the rv 30 weekends this past year. We have 5 in our family so I love the idea of the instant and endless hot water.
Does anyone have experience with removing the aqua hot system and replacing it with an instant hot water heater?
We don't want to sink another 5-8k into this unit.
Thanks in advance!
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Old 01-03-2014, 08:02 AM   #2
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Sounds like it could work. Do they make such units that run on propane... assuming your RV has propane. I think the electric on demand heaters are 230v.
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Old 01-03-2014, 08:10 AM   #3
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Yes. They make propane continuous hot water heaters.
My husband is tired of constantly making repairs on the old aquahot unit.
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Old 01-03-2014, 08:12 AM   #4
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We have a 98 Monaco Signature Series. We have had over $4k worth of repairs (this year) to our Aquahot unit that now needs to be completely replaced by a new or refurbished unit. We used the rv 30 weekends this past year. We have 5 in our family so I love the idea of the instant and endless hot water. Does anyone have experience with removing the aqua hot system and replacing it with an instant hot water heater? We don't want to sink another 5-8k into this unit. Thanks in advance!
Here you posted any of your problems over on Roger Burke's forum? If the same guy who charged you $4k is now telling you the unit is toast, then I think you need a new AH tech. A leak in the fresh water loop or in the coolant pressure tank are the primary issues to cause a replacement.
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Old 01-03-2014, 08:21 AM   #5
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I don't know all the technical terms, but our coolant is leaking out the exhaust. My husband has spoken with people at Aqua Hot (several times unfortunately), a local repair shop (here's your invoice for repairs but we didn't actually fix it), and the latest was a Rv repairman that we've used several times while in Florida (who is amazing but can't work miracles), all who have said the hunit would need to be replaced.
Our other option is to replace with a refurbished unit and keep our broken unit that has been pretty much rebuilt as spare parts. But we really, really don't want to have to put out another 6-8k.
At this point I am willing to get advice from Mr Burke. Thank you for directing me to him
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Old 01-03-2014, 09:00 AM   #6
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I don't know all the technical terms, but our coolant is leaking out the exhaust. My husband has spoken with people at Aqua Hot (several times unfortunately), a local repair shop (here's your invoice for repairs but we didn't actually fix it), and the latest was a Rv repairman that we've used several times while in Florida (who is amazing but can't work miracles), all who have said the hunit would need to be replaced. Our other option is to replace with a refurbished unit and keep our broken unit that has been pretty much rebuilt as spare parts. But we really, really don't want to have to put out another 6-8k. At this point I am willing to get advice from Mr Burke. Thank you for directing me to him
Sorry for your troubles. The shop that charged you all that money should be ashamed. I would ask for a meeting with the shop owner and lay out the facts and ask for an adjustment on the bill. You really need to find an AH shop that know what they are doing.
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Old 01-03-2014, 09:32 AM   #7
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We are 2 hours from the closest AH certified tech. As for dealing with the local guy we'll just have to chalk that up to the "lessons learned the hard way" catagory.
Now we have to figure out the best solution from this point.
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Old 01-03-2014, 09:43 AM   #8
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We are 2 hours from the closest AH certified tech. As for dealing with the local guy we'll just have to chalk that up to the "lessons learned the hard way" catagory. Now we have to figure out the best solution from this point.
Definitely discuss your options with Roger Burke. http://www.rvhydronicheaterrepair.com/

These guys sell complete tested units out of parted out motorhomes:

http://en.visonerv.com/cgi-bin/md/M12009/s1.pl?
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Old 01-03-2014, 01:47 PM   #9
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Thank you so much for the links!
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Old 01-03-2014, 05:34 PM   #10
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If you take the AH out and replace it with "instant hot water" for hot water, what will you do for heat?
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Old 01-04-2014, 06:48 AM   #11
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...since you're obviously out of warranty, as an alternative you can contact a local heating/cooling repair shop that also works with oil burners. These Aquahot/Hydrohot type units are no different than whats found in 99% of any application using "water boilers" for hydronic heat in millions of resi/comm applications. Look around and you'll be surprised at the "markup" in the pricing you're being given - simply because it's an "RV" hyrdonic boiler. I can point out markups as much as 2000% just by looking at their pricing for simple Beckett burner parts - which Beckett burners are probably found in 75% of any oil burner resi or commercial.

Your aquahot is probably capable of around 65,000 BTU. Comparable other brands from Biasi, Burnham, Laars, Well-McClain, Viessman, etc etc etc which have been around for decades heating office buildings and homes. Most of all those brands whom have similar (and in most case higher) BTU ranges, brand new are under $2500.00. Sounds like a good time to look at alternatives. I have talked with many people who've never had any problems using a local HVAC company that specializes in oil burner service to fix their AH or HH unit. Just my $0.02 cents worth.....
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Old 01-04-2014, 07:51 AM   #12
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As for heat....right now we are using the heat pumps. We have 3 units on top. We live in the Southeast and don't travel too much when it's cold.
I believe 1000% that we need heat other than just the heat pump units on top for those cold days traveling.
Our kid race quarter midgets so usually when we travel it's to race and most races we have attended were warm enough for the heat pumps to keep us comfortable.
But when the AH did work the heat was amazing!
Most of the time the heater isn't an issue, but hot showers for a family of 5 that includes 3 stinky boys is an issue
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Old 01-04-2014, 07:58 AM   #13
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...since you're obviously out of warranty, as an alternative you can contact a local heating/cooling repair shop that also works with oil burners. These Aquahot/Hydrohot type units are no different than whats found in 99% of any application using "water boilers" for hydronic heat in millions of resi/comm applications. Look around and you'll be surprised at the "markup" in the pricing you're being given - simply because it's an "RV" hyrdonic boiler. I can point out markups as much as 2000% just by looking at their pricing for simple Beckett burner parts - which Beckett burners are probably found in 75% of any oil burner resi or commercial.

Your aquahot is probably capable of around 65,000 BTU. Comparable other brands from Biasi, Burnham, Laars, Well-McClain, Viessman, etc etc etc which have been around for decades heating office buildings and homes. Most of all those brands whom have similar (and in most case higher) BTU ranges, brand new are under $2500.00. Sounds like a good time to look at alternatives. I have talked with many people who've never had any problems using a local HVAC company that specializes in oil burner service to fix their AH or HH unit. Just my $0.02 cents worth.....
One of our BIGGEST problems is the cost and availability of parts. We have replaced countless parts. I agree that the markup is substantial due to it being for an rv. I will check locally for hvac that specialize in oil burners. The compartment that holds the AH is huge so I'm sure a small residential unit would fit.
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Old 01-04-2014, 08:11 AM   #14
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IMHO you have been had by your local shop! I feel Steve is directing you correctly. These units really are not that complicated. We just returned from a trip to see our kids. Next to us AC Rev had trouble with the old Splendide machine, which they chose to remove. A highly trained mobile RIVA tech helped them out. I quizzed him about servicing my AH, his response, "is it working" yes, "does it have black exhaust?" No, then use it, use it, the main issue is little use. We keep ours on 24/7 even when stored, pad with power and water at home. No issues after several plus years best of luck
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