Question about RTO Atwood Water Heater - 6 Gal LP

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10 gal. atwood water heater in 1994 Prowler-Park model.After the water is heated, the pilot light goes out and has to be re-lit. this happens every time. Lately, put on pilot, re-light, turn to on and will not light. Made sure that cold water is in the water tank. Still will not re-lite. Just replaced thermo coupler because of this problem. Do I need to replace the gas valve?

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  • Ned C Cook
    Ned C Cook May 11, 2010

    does the pilot lite lite then go poof when to let go of the control, or just does poof?

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  • 332 Answers

The gas valve is what you need to replace, the thermocoupling only tells the gas valve that it is ready for a flame and lets a little gas out, but the gas valve is not letting the gas out,, there is a screen in the gas valve it may be clogged not letting the gas thru, but at the age of your unit I would even consider changing the unit insted of investinf more money into this one

Posted on Jun 23, 2009

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1 Answer

Pilot light will not stay lit. already replaced thermal coupler. 6 gallon


A thermocouple makes 30MV power by a temperature differential across the end of the thermocouple, many times people set the entire end inthe flame heating the entire end thus dropping out the power, you cannot bake them into working there must be a temperature differential from the base to tip about a 1.5 inch section. It wil not work correctly if the entire end is hot.

Otherwise the gas valve is bad.

Nov 06, 2013 | Atwood 10 Gal LP Gas /Elect. WATER HEATER

1 Answer

Pilot will light after 30 seconds when you try to move knob to on position the pilot goes out and heater won't ignite.


You need to replace the thermocouple.
When you light the pilot it is supose to heat the thermocouple.
the thermocouple produces a small electric current which allows the gas valve to open and keep the pilot going. and allowing the main burner to come on.

Jun 21, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I HAVE A 10 GALLON ATWOOD WATER HEATER IN A PARK HOME THE PILOT LIHTS FINE AND STARTS THE GAS OK WATER IS NOT GETTING HOT IT LOOKS LIKE SOME OF THE FLAME IS COMING OUT OF THE HEAT TUBE GETTING CARBON ON...


I would definitely have the burner tube cleaned and adjusted if necessary. Sounds like a possible spider web in the tube, as well as have heat chamber blown out with compressed air if at all possible to remove soot build up. Stand back when blowing it out, or you"ll be covered in soot.
You can buy a long brush for cleaning barbecue burners, that work well.

Feb 11, 2011 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

Pilot would not keep lit. Bought a new thermal coupling and installed it and pilot still goes out when you release the knob. White Rogers coupling. Do I need a bigger hammer?


I take it is on an RV?

The placement of the thermo coupler would be important - but no bigger hammer required... lol

be sure your connections are good and nothing got pinched off...

Alternatively there are some systems which have a lock out which may have happened and you might need a reset or otherwise let it cool down completely

or it might not have been the thermo coupler to begin with...


Best regards
ck

Jan 05, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Burner lites but goes out after 2 or 3 min.


the white rodgers gas control needs to be replaced;
the way it works is: the thermocouple opens the pilot gas circuit and, holds it open
when it heats up by creating a magnetic field in the gas control then: when you turn
the knob on the gas control to "on" a valve inside the gas valve opens the main gas circuit and, electricity supplied by your RV keeps it open.
the main gas coil inside the gas valve is defective and, can not hold the main gas circuit to the burner open anymore.

Jul 24, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

10 gal atwood water heater goes through 2-3 cycles on gas befor it will stay lit


If propane has been off for some time, good chance air in line, and it takes 2 or 3 tries to bleed air out. If this happens while you've been using it regularly, then maybe a cleaning of electrode would help, as it is a flame sensor as well.

Jan 10, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

The pilot light & will stay lit. untill the burner cycles on/off


MAKE SURE THE BURNER TUBE AND ORIFICES ARE CLEAN. MAKE SURE YOU HAVE THE PROPER LP PRESSURE.

Oct 05, 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

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