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Old 10-13-2013, 01:38 PM   #31
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Lennox Superior Fireplace Problem


Yeah, as long as a Pro checks the flame and other safety issues. I am concerned about all the other readers who might be tempted to do something unsafe with theirs. Don't blow into the burners or debris may clog the orifices/slots and make things worse.

Getting ready to eat some Thanksgiving turkey and get fat on carbs and al the goodies today.

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Old 10-13-2013, 01:40 PM   #32
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Don't blow into the burners or debris may clog the orifices/slots and make things worse.
Okay, will do. Thanks for your help. I'll make sure to post a postscript on this issue so others can benefit from my experience.
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Old 10-13-2013, 01:41 PM   #33
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That would be good. After that Ontario tragedy fireplaces are not to be fooled around with. They do make low level CO detectors and I hear they run $200 and up. Senco makes them. Google them and read the specs.
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Old 10-13-2013, 03:26 PM   #34
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Well it appears that the cleaning worked! The fireplace has been running for about a half hour and it hasn't cut-off. Plus, it turns on immediately. Last season, it took me several tries before the gas would ignite.

On another note, is there anything wrong or dangerous with adding some additional glowing embers (rock wool) to the fireplace? It came with some, but not very much.
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Old 10-13-2013, 08:39 PM   #35
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As long as you don't block the burner ports it should be okay. You can buy them from a fireplace store.
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Old 10-23-2013, 08:56 AM   #36
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An interesting thing happened this morning. If you've been following this thread, you know that I thought I had finally fixed my Lennox gas fireplace. It's been lighting and staying lit fine for weeks.

Since it's getting colder here (47 degrees), I decided to check all of my HVAC equipment, including the fireplace. I flipped the wall switch this morning and nothing. At first, I thought it was due to the change in weather. But I noticed I didn't hear that familiar click of the wall switch activating the SIT Millivolt Gas Valve. I began to suspect the wall switch, like others have suggested, but then I remembered that I already replaced that a few months back.

Then it occurred to me to check the leads going into the SIT Millivolt Gas Valve. I removed and reconnected both, flipped the wall switch and the fireplace fired up. I never thought the connectors could get dirty, but that seems to have been part of the problem. How does one clean these connectors?

Thanks again for everyone's help with this problem.
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Old 10-23-2013, 09:08 AM   #37
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actually that is the most common problem with them beside weak generators, I take them off and sand them with 400 or 800 grit emory paper or scrape them clean with a sharp screwdriver until I see bare metal. Sandpaper is better. The cleaning probably did not solve it but it was a coincidence it fired up. Most likely it is those poor connections.
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Old 10-23-2013, 09:24 AM   #38
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actually that is the most common problem with them beside weak generators, I take them off and sand them with 400 or 800 grit emory paper or scrape them clean with a sharp screwdriver until I see bare metal. Sandpaper is better. The cleaning probably did not solve it but it was a coincidence it fired up. Most likely it is those poor connections.
Okay, I'll try that later today. Thanks Yuri.

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