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

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Warm water, not hot , Atwood 6 gal.- burner , propane -ok

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  • mitchbl May 02, 2010

    I don't see any by pass, but it is propane and electric the gas part looks like new , i think its always been on electric

  • mitchbl May 03, 2010

    it's a 99 Dutchmen, I got it last fall, private sale , I have no literature on anything, can the temp. lever on the back of the control be increased

  • mitchbl May 03, 2010

    thx pal, ya hit the nail right on the head !!my old trailer never had a by-passso I didn't know enough to look inside on this one, I've gotcha on my favs list, thanks again;




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Can you turn it up ... ? Maybe the burner needs cleaned ... might have spider web in the burner ... blow out with compressed air or canned air ...

Posted on May 02, 2010

Testimonial: "I,m going to change the thermocouple, it maybe shuting the burner down too soon -- thx bud"

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  • A Miller May 02, 2010

    Thermocouple has nothing to do with temperature ... its purpose is to sense heat at the pilot. If the pilot goes off - no heat on the thermocouple - the thermocouple turns the gas off for safety. Dont mess with the thermocouple!

    Is there a bypass on your heater to help with winterizing? is the by pass open or closed. Warm water will result if the bypass is open. Close it.

    You dont say much about recent history ... has this unit been off for the winter? Did you winterize it ... is it new or new to you. Did it work for you last year or last time you wanted to use it?

  • A Miller May 03, 2010

    electric recovers very slow ... turn on the gas for fast recovery ...

    thermocouple has nothng to do with heat in gas ... not involved at all in electric mode.

  • A Miller May 03, 2010

    There is a lever OR a dial on the gas valve inside the heater cover. they are self explaining to adjust the temp of the water.

    You probably have an Atwood heater in your Duchman but there is no law that says that.

    Please double check the back side of the heater for a by pass ... You will have to look inside a compartment somewhere or under the bed to find what I will describe.

    Typically, there is a cold water pipe going in the bottom and a hot water pipe coming out the top. Typically, if there is a by pass, there will be a pipe connected to the hot and cold and there will be three valves. Typically, the handle indicates if the valve is open or closed with the handle running with the pipe for open and across for closed. For "BYPASS" the Hot and cold should be closed and the bypass valve will be open. For normal operation, the bypass should be closed and the hot and cold should be open. It still sounds to me like you have a bypass and all valves are open.

    I have winterized more than a thousand camper, motor coach and park model hot water heaters. Please double check yours.

    If you require additional information on your heater or other camper equipment, please ask. I dont know it all but I do know a lot.

    Thanks for your continued interest in

  • A Miller May 03, 2010

    thanks for the 4 thumbs up ...

  • A Miller May 04, 2010

    Hi Bruce ... welcome ... I knew we would get to the bottom of it ...

    Glad I could help.




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I have a Jayco pop up with an Atwood water heater, serial # 37C14U-5. My problem is two-fold. The water heater pilot doesn't stay lit after initial run, and propane is leaking out of the vent on the...

Leaking propane is red flag #1 and fire hazard.
Immediately update your insurance and then turn off gas.
If pilot is not staying lit, then gas leak can be cause of pilot problem since pressure on the line is reduced.
Other causes include bad gas control valve, air in the gas line, bad thermocouple, burner parts need cleaning, or all the above.
After fixing leak, replace thermocouple, clean combustion chamber and burner parts, and bleed gas line to remove air.

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Jun 28, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I have an Atwood GGA-8E about 6 months old was getting hot water but now the water is only luke warm, any adjustments?

There should be a temperature setting on the gas valve. It should be on top or front and have several settings normally vacation, warm and hot. Rotate dial towards hot setting to increase water temperature. Hope this helps. Thanks

Nov 17, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I have a new Atwood 6-gal propane water heater (still under warranty). It works fine except that when warm water is flowing, the burner will start heating only after the water gets quite lukewarm. Can one...

If it's manual light, then only dial or lever on gas control is adjustable, and you can try turning it up a little at a time. It will increase water temperature so be careful, but that should also make it kick back in sooner as well. If it's electronic ignition, there is 2 or 3 heat settings available in thermostats ( little disc behind foam cover under pressure relief valve) . Obviously on those, if you choose higher temperature, it cuts back in sooner as well. If you have electric element, they have a thermostat on rear of water heater as well, behind electrical connection box. If your not 100% sure what I'm saying here, get back with model number of heater inside cover and I'll tell you your options. Please remember to be careful of scalding when you turn up the temperature.

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

1 Answer

Water just gets luke warm on propane or electric. has electronic ignition, do i need circuit board? Atwood 6 gal. tank

Run it on propane and let water heater go through a heating cycle, and when it shuts off, CAREFULLY , pull the lever on the pressure relief valve slightly and see how hot the water feels there. If it's hot there, then it's more than likely a problem with your by-pass valve(s) at the back of the water heater. Either in the wrong position, or faulty, and allowing hot and cold to mix. If in doubt which one it may be, you may be able to remove by-pass set-up completely, depending on what system you have. What the ultimate goal is would be to attach your incoming cold line directly to bottom fitting of water heater, and outgoing hot line, to the top. Not unusual in some systems for one of the shut-offs in between the 2 lines to stay partially open, and allow cold to mix with hot, thus -warm only. If it's not hot at pressure relief valve, then I suspect a faulty thermostat, but that would mean they both (hydro and gas) would have to be faulty which is unlikely.

Jun 17, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I have a G6A-7E electronic ignite water heater.

Make sure propane is on and getting to your stove burners ok, first, then try switching it back on. If it fails to ignite, shut switch off and try a couple of times, if still no ignition, get back to me.

May 24, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Atwood water heater light doesnt stay on

That light in the switch should only be on momentarily while it is igniting, and then go out when everything is ok. If light stays on, it's to alert you that for some reason, the burner did not ignite, such as propane is off, or some other reason it didn't ignite. If the light stay out, then the burner should be working properly.

Oct 07, 2009 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I replace my thermal coupling. burner doesn't ignite

is the burner assembly sitting pronperly on it;s cradle,, this will put it at just the right distance for it to ignite,,

Jun 15, 2009 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

After a few minutes of burner heating the water, gas shuts off.

A couple of things to check:

If possible, remove the pilot gas assembly and clean the gas jet and thermocouple - they can get carboned up and stop working properly. Make sure the pilot flame and deflector is aimed properly and making the thermocouple glow red hot. If the problem persists, you may want to replace the thermocouple and also check the propane regulator.

Apr 20, 2009 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

Atwood 6 gallon water heater gets warm not hot. LP

You have a cracked dip tube. Part at hd is under 10 dollars. Remove and replace via cold water inlet side top of water heater. Degree of labor skill 1-10 = 8.

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Apr 04, 2009 | RTO Atwood Water Heater - 6 Gal LP

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