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Old 02-02-2020, 02:53 PM   #1
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Water heater question

My new coach has an Atwood 6 gallon tank type water heater with both gas and electric heat. It works fine but when on gas Iíve noticed something outside of my experience. It lights and burns fine but all the while the burner is going the igniter continues to spark. Not rapidly like when lighting the burner but just twice about every three seconds. Click, click pause and repeat. I see no purpose in it and am concerned it will burn out the igniter. On the other hand it is a distinctly different mode from start up so seems intentional. Is this a normal?

Thanks friends.
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Old 02-02-2020, 03:13 PM   #2
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you may be hearing metal/aluminium expanding and not the igniter. Is it a steady click the whole time the burner is on or does it change.?
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Old 02-02-2020, 03:52 PM   #3
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Originally Posted by cavie View Post
you may be hearing metal/aluminium expanding and not the igniter. Is it a steady click the whole time the burner is on or does it change.?


Itís a steady repeating cycle and there is a tiny LED that flashes with the spark so you can see it as well as hear it.
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Old 02-02-2020, 04:16 PM   #4
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can't help with that.
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Old 02-02-2020, 05:41 PM   #5
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Unless Atwood has changed their modus operandus it sounds like a bad control board (Atwood? with bad control boards? ). Call Atwood tomorrow with your model number and pose the question to them.
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Old 02-02-2020, 09:40 PM   #6
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Originally Posted by 16ACE27 View Post
Unless Atwood has changed their modus operandus it sounds like a bad control board (Atwood? with bad control boards? ). Call Atwood tomorrow with your model number and pose the question to them.


Yes, I think thatís the easy button. Thanks.
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Old 02-04-2020, 01:10 AM   #7
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Just to close the loop....called the manufacturer today and a very nice tech assured me itís a bad circuit board. Weíre on a month long snowbird trip to Florida so having a mobile service come and replace it. Seems a waste to have to hire someone else do it but itís warranty item and it seems I canít be trusted to make the call. At least itís an easy fix!
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