Indirect Water Heater too Hot...


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Old 08-01-10, 05:28 PM
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Indirect Water Heater too Hot...

Hi guys,
I just replaced my water heater on Monday.
I started off by setting it to 120 degrees.
It was too high so I lowered it to 110. Now its set to 100 degrees but its still scolding hot.
I checked the T&P valve and it worked fine.
There are only 2 wires going to the aquastat and it's low voltage.
I don't know if its a dumb question, but if I flipped the wires would it make a difference?
If not what else can I do?

Thanks
 
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Old 08-03-10, 11:44 AM
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I have an update...
I thought maybe it was the aquastat so I changed it with the one from my old water heater but it is still way too hot.
What else can it be?
 
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Old 08-03-10, 12:22 PM
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Does the aquastat in fact shut off the burner properly?

Is the aquastat located in some part of the system that doesn't sample the actual water temperature properly?
 
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Old 08-03-10, 12:52 PM
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Well, the burner does turn off an on, but I don't know if it's responding to the Aquastat when it does that...
Is there a way I could test it?

The water heater aquastat is an emersion type. So, the metal rod of the aquastat is inserted into the water heater.

Also, I have 2 aqustats. The new one that came w/ the Boch water heater. And the one from my old water tank. Both are Honeywell. I don't know the models but I can check when I get home.

I have another question... It's an indirect water heater. The tempature on the burner is set to 180 degrees. Does that mean the burner will also turn on whenever the temp in the burner goes below 180? Could that be what is heating it up too much?
Thanks
 
 

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