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

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Atwood model #GC6AA-10E water is leaking out of the pressure relief valve?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Changing heating Element

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

Posted on May 02, 2009

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motor1258
  • 6674 Answers

SOURCE: Atwood Model # GC6AA-10E. When I try to start unit

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.

Posted on Jan 23, 2010

motor1258
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SOURCE: just purchaced a 99 jamboree with an atwood G6a-8e

It's gas operation only, but has electronic ignition for propane. ( just to confirm, if you look at back of water heater, it would have a metal or black plastic cover and hydro cable going in side or top of it.)
There are usually 3 things that may cause pressure relief to leak. 1) Faulty,corroded pressure relief valve, which usually needs to be replaced if it goes faulty. 2) water temperature is getting too hot, which could indicate a faulty thermostat. 3) If your hooked up to city water, the pressure may be too high, causing excess pressure build up in hot water tank, thus pressure relief opens. If your running off your on board pump, this is probably not the cause, as they are usually set at 40 psi.
Ist, - try pulling lever on relief valve slightly open ( careful it's hot !!) to clean out any calcium that may be logged on seal thus causing leak. If that doesn't do it, and the hot water isn't running out steady and appear to be under extreme pressure while leaking, then I'd change the pressure relief valve. Remember when you do, shut off water to system, and relieve pressure by opening a tap, and pressure relief as well after that. New one shouldn't be too expensive, just make sure you get same thread, 1/2"NPT or 3/4"NPT. Use a little teflon tape, or pipe dope whatever you prefer when re-installing as well as clean threads a little before.
If it really starts gushing out pressure relief when heating or heated, and water seems hotter than normal, it's more than likely a faulty thermostat. I'll wait for your reply on what condition your experiencing before I go in to how to change the thermostat.

Posted on Nov 17, 2010

  • 69 Answers

SOURCE: I have a 1997 Fleetwood Bounder with an Atwood

Have you checked your fuses? there should be a removable cover to pull off there will be a fuse in side that powers the self ignite..can you take a pic of the panel and post it or send it to my email?

Posted on Dec 01, 2010

motor1258
  • 6674 Answers

SOURCE: have a atwood GC6AA-10E water

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?

Posted on Dec 15, 2010

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I have a gc6aa-10e hot water heater. I only get about 40 sec of hot water. I have raplaced check valve and put new thermostats in the water heater. I really dont know what else i should check. Need help...


Here is website for brochure and support center. http://www.atwoodmobile.com/water-heaters/atwood-water-heaters-brochure.asp

If it's electric it sounds like the elements.

Apr 23, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I have an Atwood model GC6AA-10E and the water is not hot enough on either gas or electric. Is there any temp adjustment on this unit?


Your 2 separate thermostats are pre-set so adjustment isn't possible although you can purchase a hotter thermostat. Normally the complaints I get are that propane is not hot enough, but electric is too hot, so I'm wondering if perhaps you haven't got a valve at by-pass in wrong position, or defective that may be allowing cold to mix with the hot. Make sure any valve in between hot (top line) and cold line (bottom) are all the way in off position. You want flow in to bottom open, and out the top open, and anything else in between, shut off. Have you actually tested a cup of hot water from tap to see what temperature it is? I just don't see both thermostats as being faulty at same time, but?

Dec 18, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

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.

May 20, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I have a GC6AA-9E and the Pop off valve lifted and sprayed all the electrical components and now the igniter will not spark. Any ideas where is the best place to start troubleshooting the controls.


Look for the little round temp switch inside little plastic sleeve, below pressure relief valve . Look where is plugs into at both ends carefully. Now disconnect it (take it out of the circuit) and hook the one end, to terminal where other end went to. Now try it.

Jan 04, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

2 Answers

Burner lights but will not shut off. then pressure


CHECK TO MAKE SURE THE WATER TEMP IS AT THE NORMAL OPERATING RANGE. USUALLY AROUND 120-130 DEGREES. IF IT IS, CHANGE OUT THE PRESSURE RELIEF VALVE. IF THE TEMP IS OUT OF SCALE, CHANGE OUT THE ECO AND TSTAT.

Jun 28, 2009 | RTO Atwood Water Heater - 6 Gal LP

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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