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Old 01-26-2010, 12:16 AM   #1
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Propane Water Heater Problems

I attempted to start the propane water heater on our Itasca Horizon and got nothing. When I turn the switch on, the green "Heater On" switch lights and I get no clicking sound to indicate it is lighting. Also, the "Pilot Out" light remains off.

I have turned the switch off and on with various intervals of off time. Still nothing. Any ideas? This is an Atwood hot water heater.

Yes, the propane switch is on and the propane furnace works.
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Old 01-26-2010, 08:08 AM   #2
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I know nothing about your unit. But, is it possible you have a dual fuel unit and while you are plugged in to electric it automaticly selects the electric element? Otherwise, what you say about the control panel is telling me the unit is lit and running. Can you get hot water, after about 1/2 hour?

ed
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Old 01-26-2010, 08:48 AM   #3
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I think it's Atwoods that have a fusible link. the link is encased in a clear tube about 38" diameter. It's on the front of the heater. the purpose of this link is to shut the heater down in the event of flames coming out of the burner tube and potentially causing a fire. On a temporary basis you could jump across the terminals for the fusible link with the door open.
The back fireing of flames could be caused by spider webs, etc. in the burner tube.
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Old 01-26-2010, 01:21 PM   #4
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Today, I found the problem. I did have spark ignition, just could not hear it inside. No propane to burner. After several calls to Atwood, I found I had 13 volts to the circuit board and only 9 volts coming out to the ECO. Minimum of 10.5 volts needed to activate propane valve. Diagnosis: Defective circuit board. I will be ordering a new one today.
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Old 01-27-2010, 10:25 AM   #5
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Circuit board pricing varied widely from $217 at Winnie dealer to Camping World at $179. I ordered online for $124 at American RV Company in California.
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Old 01-29-2010, 12:48 AM   #6
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I received the new circuit board today. It installed easily and now my propane hot water heater works.
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Old 01-29-2010, 09:30 PM   #7
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.... my propane hot water heater works.
LK23, Why do you "need" a hot water heater?
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Old 01-29-2010, 09:53 PM   #8
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No more than your "need" to flame me over my post of fixing my problem.
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Old 01-29-2010, 10:29 PM   #9
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No more than your "need" to flame me over my post of fixing my problem.
Aw common' ... I think a little humor isn't a bad thing. I apologize if you believe that I flamed you. It's actually the most used come back in history on RV boards. Are we OK?
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Old 01-29-2010, 10:54 PM   #10
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We are Ok. I just didn't see the humor in your post.
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Old 01-30-2010, 01:19 AM   #11
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We are Ok. I just didn't see the humor in your post.
Just an old RV joke, real campers don't need half of the luxuries in a MH.
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Old 01-30-2010, 07:21 AM   #12
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Because probably the wife said i need "HOT WATER" and then you do it!

I learned something about what is Flaming?
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Old 01-30-2010, 07:24 AM   #13
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By the way LK23 I had same problem,but mine was a less expensive Thermostat.
I know your feeling,you want it to work when you want it!
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Old 01-30-2010, 10:11 AM   #14
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I learned something about what is Flaming?
"Flaming" is going out of your way to make someone else's life miserable in print on any RV Board and mean it to be derogatory.

The humor is that all though everyone needs a water heater one might find it "humorous" if one refers to a need to heat "hot" water. I can't tell you how many times I was chopped at the knees for saying hot water heater.
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Old 01-31-2010, 12:30 AM   #15
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Quote:
Originally Posted by LK23 View Post
I attempted to start the propane water heater on our Itasca Horizon and got nothing. When I turn the switch on, the green "Heater On" switch lights and I get no clicking sound to indicate it is lighting. Also, the "Pilot Out" light remains off.

I have turned the switch off and on with various intervals of off time. Still nothing. Any ideas? This is an Atwood hot water heater.

Yes, the propane switch is on and the propane furnace works.
check atwood online:

http://www.atwoodmobile.com/manuals/...S%204.9.09.pdf

also:

http://www.bryantrv.com/owners.html
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Old 01-31-2010, 12:53 AM   #16
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I had the owner's manual. It took a call to Atwood to determine the circuit board was defective.
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Old 01-31-2010, 08:47 AM   #17
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In the 7 or more years that I have owned my rig I have found faults at the edge connector on the PCB at connection 13 and on numerous occasions the thermal cutout will blow. Otherwise I have had pretty good luck with the PCB.

Assuring connectivity on one of the worst connectors known to man, an edge connector, and ruling out an open thermal cutoff diode has been successful for me just about 100% of the time.

An edge connector is easily fixed by removing the modular plug and reseating it a few times. The contacts are self cleaning.

The Atwood thermal cutouts come in a package of 2 and are not inexpensive.
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Old 01-31-2010, 08:50 AM   #18
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OK,OK, a WATER HEATER PERIOD. nuf said!
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Old 01-31-2010, 09:23 AM   #19
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So if you heat hot water with a hot water heater is it then hot, hot, water, or if a hot water heater failed would you then just have hot water?
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Old 01-31-2010, 03:26 PM   #20
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So if you mix hot, hot water with cold water do you get deluded water?
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