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Old 10-25-2014, 10:24 PM   #1
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Our Aqua Hot is Making Loud Noises

When burner is on. A roaring sound that lasts about 30 seconds each time. I checked the fluid level and it is about 1 inch below hot level. Any idea what is going on? We have a 14 Aspire 44B
Thanks
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Old 10-26-2014, 01:23 AM   #2
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Might not be getting quite enough air. I had a deep squealing sound and had to adjust the combustion air balance because of altitude.
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Old 10-26-2014, 05:03 AM   #3
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I had that same problem on my 44B. I dealt with Troy and Tim at Aquahot instead of Entegra. Mine made a loud bellowing sound, like a moose in heat is the way I described it..lol Aqua Hot shipped a different exhaust pipe (larger) to my dealer, which they installed and the problem went away. It was also not lighting correctly when I turned on the fuel switch, so they installed a size bigger orifice and fixed that problem too. Mine is an Espire, so it should be noted that it is propane fueled. Hope this helps.
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Old 10-26-2014, 09:21 PM   #4
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I had that same problem on my 44B. I dealt with Troy and Tim at Aquahot instead of Entegra. Mine made a loud bellowing sound, like a moose in heat is the way I described it..lol Aqua Hot shipped a different exhaust pipe (larger) to my dealer, which they installed and the problem went away. It was also not lighting correctly when I turned on the fuel switch, so they installed a size bigger orifice and fixed that problem too. Mine is an Espire, so it should be noted that it is propane fueled. Hope this helps.
Thanks Bill and Doug, mine is also an Aspire with propane. I will call CS first
Thanks again
Randy
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Old 10-26-2014, 09:32 PM   #5
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On the LP unit air is the issue with loud noise during combustion. If you remove the 3 screws holding the cover on on top of the burner you will see a fan with a adjustable air plate. There is a nut in the center and a screw on the top of the plate loosen them slightly and you will be able to rotate the plate to change the air inlet. put a piece of tap on the door switch to hold it down and run the unit. Adjust until it runs nice and quiet. Then set the cover back in place to make sure it runs quiet with the cover on if so snug the nut and screw back up and reinstall the cover. Aqua Hot sets them at 5000 ft elevation so they often need a tune up when down here.
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Old 10-27-2014, 07:57 AM   #6
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Dawg44B,

I'd call Aqua Hot....
They deal with this issue every day. You'll get a more precise and comprehensive answer.


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Old 10-27-2014, 08:02 AM   #7
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On the LP unit air is the issue with loud noise during combustion. If you remove the 3 screws holding the cover on on top of the burner you will see a fan with a adjustable air plate. There is a nut in the center and a screw on the top of the plate loosen them slightly and you will be able to rotate the plate to change the air inlet. put a piece of tap on the door switch to hold it down and run the unit. Adjust until it runs nice and quiet. Then set the cover back in place to make sure it runs quiet with the cover on if so snug the nut and screw back up and reinstall the cover. Aqua Hot sets them at 5000 ft elevation so they often need a tune up when down here.

Thank you so much, you sound like you may be from CS if so great service! If not thanks to you too
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Old 10-27-2014, 08:05 AM   #8
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Originally Posted by 1mainiac View Post
On the LP unit air is the issue with loud noise during combustion. If you remove the 3 screws holding the cover on on top of the burner you will see a fan with a adjustable air plate. There is a nut in the center and a screw on the top of the plate loosen them slightly and you will be able to rotate the plate to change the air inlet. put a piece of tap on the door switch to hold it down and run the unit. Adjust until it runs nice and quiet. Then set the cover back in place to make sure it runs quiet with the cover on if so snug the nut and screw back up and reinstall the cover. Aqua Hot sets them at 5000 ft elevation so they often need a tune up when down here.
Thanks 1mainiac. Your input is always appreciated!
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Old 10-27-2014, 08:11 AM   #9
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Good point 1mainiac. AH are manufactured in CO, so it would be hard for them to adjust the fuel mixture for sea-level. It would strictly be a guess setting and no way of testing.
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