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Truma suburban gas eletric hot water heater model no SW6DEA SQ

What does reset switch do? Heater works on 240 v ...but troubles on gas. At last orange indicator light works after 12 tries, eventually getting gas to fire up for only 4 sesonds . Did this 5 times by turning 12 v power off & on again, eventually it stayed on to heat up a full tank yesterday. However today water has cooled off , orange light is on but unit is not firing up. About to hit it with compressed air. Last year i pulled out sacrificial anode all good there, pressure relief valve good ....what is it ? Of course boilerfuse is ok PLEASE HELP Rob Jayco Outback 2013 possible bad control board

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ray gallant

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  • Water Master
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Posted on May 02, 2020


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SOURCE: gas water heater goes cool

The dip tube which carries the incoming cold water to the bottom of the tank is bad/gone. If you can find a rheem dealer you MAY be able to get a new one but it's probably time for a new water heater

Posted on Jun 20, 2009


Randy Marshall

  • 349 Answers

SOURCE: A Noritz 6.3 gal water heater fires then goes out then refires

Check thermocouple , sounds like it's not sensing flame.

Posted on May 12, 2010


Mike Butler

  • 6674 Answers

SOURCE: I own a 31' trailer which has an ATWOOD G6A-8E RV

Most electronic ignition models only show the red light if there is a problem, (did not ignite) for one reason or another. To start with, make sure your propane is on, and you have a good flame at stove top burner, just to be sure the water heater is getting propane, and all air is bled from the line, which may cause water heater to go into check. (red light) If it does, shut switch off, and retry. Let me know what happens. As far as pressure relief opening and emptying the water heater, and your sure it's not a faulty pressure relief valve, then there's 2 things to start with checking. 1st, does the water seem extremely hot, thus a possible faulty thermostat &/or ECO . Secondly, if the incoming water pressure is too high, that will also cause it to leak bad. Try installing a pressure regulator (usually 40 psi.) at your hose connection. Let me know what you find.

Posted on May 25, 2010

Jack Spooner

  • 1015 Answers

SOURCE: My water heater was working fine for 4 years. Then

You said you had the gas line checked does this mean that you had pressure checked to gas valve or beyond to burner. I would check on gas valve and see if there is a test plug.If so I would loosen it and turn thermostat up to call for heat and see if you get any gas flow.If you have gas at this pointthe ignitor does not work then replace ignitorIf it tries to light but won't then I would remove burner assembly and make shure orifice is clean.
If you have gas into gas valve but not out then you probably need to replace the gas valve. With being 4 yrs.old the parys should be covered by warranty.Best of luck and thank you

Posted on Jun 13, 2011


  • 42 Answers

SOURCE: 80 gal power vented gas fired hot water heater.

Have you tried turning the temperature down. If so and still have problem shut breaker off, let cool completely and then drain the tank by connecting a water hose to it. Sediment tends to build up on the bottom. When finished disconnect hose, turn valve closed, let tank completely. Fill before turning breaker on.

Posted on Dec 31, 2014

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Truma water heater water wont come out of the taps when on gas, 12 volt or mains 240 volt

Bleed your propane system by running the stove for a sec. if that doesn't work go out to the heater and listen for the ignitor clicks see if it's trying to lite. My fifth wheel does this first time every season.

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touch your volt meter to the element wires with power on to see if you get 240 that far. if you do your element is bad. they can test good and still be bad. if you dont get 240 to it then you have a bad reset switch

If you need further help, reach me via phone at

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Rheem warrior glass serial num-rh1098154699 model num-71-40d b That is all the information i collected off my hot water heater we have no hot water at all and i dont know how to fix this problem...

The label would also say if water heater is gas of electric.
That would be helpful information that could lead to troubleshooting.
Serial number tells us water heater was made on Nov 1998, which tells us the manual will not be on the Rheem website.

So if you have electric water heater, and no hot water.
There can be 4 causes.
1) Circuit breaker is not delivering 240 to water heater. Test top two screws on upper thermostat to see if tank has 240V.
2) ECO red reset button is tripped. Open top cover on tank and push reset button.
3) Upper thermostat is bad. Replace thermostat.

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Should be able to feel a small piece protruding out between the 2 spade connectors of the ECO. Push it in, if it's that style.

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