Question about RTO Atwood DSI-RV Water Heater-6 Gallon

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Attwood RV Water heater model GC6AA-10E overloads breaker when

I just bought this rv and when I turn on the breaker for this circuit I hear a frying noise in my converter box and nothing else works in the trailer. If I leave this breaker off the other circuits are all working. In looking at the heater, I saw the popoff valve has been blown and there is a fair amount of corrosion and rust on pipes down in front of the heater and the bottom of the cabinet.I can replace the popoff valve but I dont think that will fix the electrical problem. Is it possible that something shorted out when the popoff valve blew and how do I isolate the problem. Water heaters arent cheap but I dont want to spend a lot of money on parts and then find out it would be almost as cheap to put in a new heater. I am pretty handy and with a little guidance can fix about anything.Thanks

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  • TPFord Apr 19, 2009

    How do you remove the heating element?

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I would remove the heating element from the hot water tank. Take a look at it as it is probably fried from due to turning on the power to the tank when there was no water in the tank. If it looks ok still do a continuity test on it. I believe that is your culprit.

please mark this answer as a fixya!

Posted on Mar 09, 2009

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  • Joe Hogan Mar 09, 2009

    I would remove the heating element from the hot water tank. Take a look at it as it is probably fried from due to turning on the power to the tank when there was no water in the tank. If it looks ok still do a continuity test on it. I believe that is your culprit.



    please mark this answer as a fixya!

  • Joe Hogan Mar 09, 2009

    I would remove the heating element from the hot water tank. Take a look at it as it is probably fried from due to turning on the power to the tank when there was no water in the tank. If it looks ok still do a continuity test on it. I believe that is your culprit.



    please mark this answer as a fixya!

  • Joe Hogan Mar 09, 2009

    I would remove the heating element from the hot water tank. Take a look at it as it is probably fried from due to turning on the power to the tank when there was no water in the tank. If it looks ok still do a continuity test on it. I believe that is your culprit.



    please mark this answer as a fixya!

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Gas works fine -gets hot water. But electric will not give hot water, only cold. How do you remove the heating element? It is on the inside of trailer in a black box? Model GC6AA-10E Atwood.


I'm thinking when you say black box, that you also have a wall switch with a symbol like a lightning bolt and you switch that on as well as checked breaker panel to make sure breaker is on as well.
With that said, you'll have 2 of 3/8" nuts holding that black cover on. Remove top one and loosen bottom one and pull cover off. ( Be sure power is off to unit while doing this.) You'll find the element in behind it. Put a voltmeter on black to element (red probe or alligator clip) and (black probe) to ground where you see green wire connected to tank. Turn breaker on then switch at wall. You should hear a relay click and 120 Volts should show at black wire ( red probe) . If you've got 120 volts there, shut off all power, drain water heater and replace element.

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Have a atwood GC6AA-10E water heater it will not work on electric or gas


If you've been using it in past on hydro then it should be on, unless someone had a reason to shut it off, like winterizing or something. You normally find it on the side of that cover, but may be on top. Hard to see it usually to confirm it's on, so I grab a small mirror and flashlight . Are you familiar with a multimeter and do you have one or access to one?

Dec 13, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

I have a atwood hot water heater GC6AA-10E its o...


Does yours have the little cut-out diode looking thing in the plastic jacket installed between power wire and thermostat? If yes, remove it from the circuit and connect female spade of wire, to male spade of thermostat,(just removing it to by-pass it) and try it now. Let me know what happens.

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Normally the red light stays on for hydro operation, so within 1/2 hr or so you should have hot water. Red light on gas means problem lighting. A few things to check. Make sure switch at back of water heater is on as well as breaker in panel, for hydro operation.
As far as gas side goes, try going outside and drop cover down, and pull the connectors of and on a couple of times at the spark module, just to make sure you have clean contact, and have someone try switch after, and let me know if it's at least trying to spark. If still not working, there should be a thermal cut-off switch in the brown wire running to center area of water heater to the thermostat, and ECO. ( where square piece of black foam covers them) That thermal cut-off has a clear plastic sleeve over it. Take that out of the circuit. Simply pull it apart at both ends, and then connect wire from spark module directly to THERM/ECO, where it was before.( your just eliminating that piece, and going direct.) See if it lights now, and let me know. Do you have a 12 volt test light, or multimeter? Also, with it turned off, take your finger and push in between spade connectors on the THERM, and ECO, and make sure there isn't a little reset in center that has tripped.

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1 Answer

I have model gc6aa-9e water heater. I think i blew the 120 element by turning on breaker B4 filling water tank after winter; The schmatic that came with camper shows part # 91160. Is this corect and if so...


Yes, That will do it. Most RV appliance parts can be purchase at RV dealerships that have parts department. Camping world has always been very helpful. As far as A part # is concerned I can't confirm although it is good to have it and the make and model of the unit. Good Luck

May 08, 2009 | RTO Atwood DSI-RV Water Heater-6 Gallon

2 Answers

Changing heating Element


1-800-325-9250call this number and they can tell you what you want.

Apr 29, 2009 | RTO Atwood DSI-RV Water Heater-6 Gallon

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