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JRMunn

Amador County

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Posted: 05/01/19 11:32pm Link  |  Quote  |  Print  |  Notify Moderator

The Atwood 10 gallon (model E-10?) gas/electric water heater in my 2004 Sunnybrook has stopped working on LP gas. When running, It used to sound like a jet engine. Now, there is a weak, yellow flame that puts out a lot of carbon. One of the tanks was nearly empty, so I tried switching to the new tank thinking that gas pressure might be a little low. There was no improvement. The heater (warm air coming out) and refrigerator (ice in the freezer) seem to be working fine. In my older, cabin appliances, I would think this is from a partially blocked orifice. Maintenance instructions call for cleaning the orifice, but don't show it. Any suggestions on how to fix this problem? And where is the orifice?

JRMunn

P.S. - I tried searching but couldn't find this issue.

2112

Texas

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Posted: 05/02/19 04:57am Link  |  Quote  |  Print  |  Notify Moderator

Go to the last page of THIS and come up a few pages until you find an exploded component illustration. The orifice is item 10.

I hope this help


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midnightsadie

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Posted: 05/02/19 05:33am Link  |  Quote  |  Print  |  Notify Moderator

cleaning is not a hard job,BUT don,t poke a needle in the orfice hole you,ll ruin it. blow air thru it, and if your not handy at take it apart get some one that can.

MFL

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Posted: 05/02/19 06:52am Link  |  Quote  |  Print  |  Notify Moderator

Likely just needs cleaning, the orfice, and blower tube.

Jerry





Old-Biscuit

Verde Valley

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Posted: 05/02/19 08:45am Link  |  Quote  |  Print  |  Notify Moderator

Remove burner tube...clean it out using small bottle brush

Remove spark electrode assembly....clean electrode with emery cloth (soot/carbon)

Remove orifice (unscrews from gas valve)...soak in alcohol then blow it out (LOW pressure air and NO Poking anything thru it)

Run a wire up thru combustion chamber and out exhaust...tie rag to the wire them pull it back thru (Soot/Carbon)

Reassemble....
Fire up on propane.
Adjust 'air shutter' (slotted sleeve on burner tube) if needed.
Expose more slots for increased air (1/4 open is standard amount)


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Fulltimers

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Posted: 05/02/19 09:55pm Link  |  Quote  |  Print  |  Notify Moderator

spiders love LP gas and will spin webs in the burner tubes.


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JRMunn

Amador County

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Posted: 05/07/19 10:54pm Link  |  Quote  |  Print  |  Notify Moderator

I cleaned my trailer's water heater gas orifice today. It was different than I am used to. Instead of a plain circle, it has a small, square step on one side of the hole. This looked like part of the metal, so I left it alone. If this is normal, I understand better the warnings against trying to clean with wire or pin. The job is pretty easy with the right tools - about 1 hour. Unfortunately, there was no change to my weak, yellow flame after re-assembly. Is the next step a new gas control valve? These seem expensive (about $100). And are not easy to find for my old (2004) trailer.

JRMunn

StirCrazy

Kamloops, BC, Canada

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Posted: 05/08/19 06:41am Link  |  Quote  |  Print  |  Notify Moderator

If your thermal couple is going it can cause this, usaly about a 5 buck part.

Steve


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MFL

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Posted: 05/08/19 06:54am Link  |  Quote  |  Print  |  Notify Moderator

If you followed Old-Biscuit's cleaning description completely, and still problem, yes, then you may have a more serious issue. If you didn't do a complete cleaning, I'd try a do over, before buying parts.

Jerry

sayoung

Tx

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Posted: 05/08/19 11:42am Link  |  Quote  |  Print  |  Notify Moderator

Might be your propane regulator is bad & water heater Ok. Just low pressure.

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