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Old 05-16-2018, 11:31 PM   #15
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Turn on the burner and turn off the electric element.
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Old 05-16-2018, 11:39 PM   #16
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Turn on the burner and turn off the electric element.
That is what I did. I wonder if I had turned on the burner but left the elec element on as well might have been the better choice. That way the element would kick in when there was enough power available so it would burn less fuel.
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Old 05-17-2018, 06:13 AM   #17
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[QUOTE=The Aqua-Hot diesel burner needs to run every so often. It’s when you don’t run it is when the nozzle gums up and then you start having problems with it not firing. The guy that services mine in the Houston area said if you run it at least once a month you can go up to three years.

How ever you want to configure yours be sure to run it thru a couple cycles each month to [/QUOTE]

With ULSD a I think your Aahot guy needs to come into the 21st century... gumming up the nozzle is not a problem. By using electric only except on 30A in the summer, I serviced mine 3 times in 14 years when the diesel did not pass the smell test.
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Old 05-17-2018, 03:18 PM   #18
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The AH uses .4 gallons of diesel per hour. So don't be afraid to use it. Also, there is a gray knob on the right side of the AH when looking at it from the side. That knob is the tempering valve and should be rotated all the way each direction about once a month. The entire system should be operated monthly, if not camping. If in storage, activate the burner, let it run a cycle and turn it off, that's it.
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Old 05-17-2018, 03:31 PM   #19
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The AH uses .4 gallons of diesel per hour. So don't be afraid to use it. Also, there is a gray knob on the right side of the AH when looking at it from the side. That knob is the tempering valve and should be rotated all the way each direction about once a month. The entire system should be operated monthly, if not camping. If in storage, activate the burner, let it run a cycle and turn it off, that's it.
I've added a small instant electric water heater inline to my aqua hot for when were hooked up to electric works great
Nor very expensive
I just cycle my AH a couple times a month
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Old 05-18-2018, 03:23 PM   #20
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The AH uses .4 gallons of diesel per hour. So don't be afraid to use it. Also, there is a gray knob on the right side of the AH when looking at it from the side. That knob is the tempering valve and should be rotated all the way each direction about once a month. .
Just a comment.. on the "mixing valve" knob is a painted stripe (red or yellow) that is the factory setting .... Be sure to return the knob to that setting...
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Old 05-18-2018, 03:28 PM   #21
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This past weekend we stayed at a park with only 30 amp shore power. We turned on the electric element and not the burner. It was pretty hot outside so the ac was working pretty hard and the ems shed the aqua hot elec element and as a result had no hot water. I think this would not have happened had we been on 50 amp. What can I do to avoid this when on 30 amp?
Easy Peasy.. fire off the diesel burner... it will cycle as needed to maintain boiler temps..(It only will consume about .4 of a gallon of fuel per hour IF it ran continuously).. which would be very very rare... You bought it ...USE IT!
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Old 05-18-2018, 06:25 PM   #22
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Iím glad this topic came up. I didnít know about the tempering knob or that you should activate the burners once a month to keep the gums out.

Love these forums. One learns SOOO much!
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Old 05-18-2018, 06:52 PM   #23
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Iím glad this topic came up. I didnít know about the tempering knob or that you should activate the burners once a month to keep the gums out.

Love these forums. One learns SOOO much!
Agreed. I didn't know this either.

...but every time I come to the forum, I have to add something else to my To Do List.
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Old 05-18-2018, 07:20 PM   #24
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Larry....Here is a post I wrote after I bought my new coach with the Oasis Hydronic heating, my first hydronic unit. It's a similar system to Aqua Hot. Even though this is about an Oasis unit, there are MANY similarities, like using electric versus the burner.

One example.....if your in Arizona in the summer and the ground water is 85 degrees, one electric element may be enough to give you a hot shower. If you're in Yellowstone in the winter and the ground water is 40 degrees, you would need both electric units and possibly the burner for a hot shower. It also talks about using the water out of your tank when the ground water is cold.

I was told by Oasis recently, that they actually give people my article when they have questions. It was also good for a discount on a service kit....who hoo.. Hope it answers some questions for you.

http://www.irv2.com/forums/f103/oasi...es-229100.html
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