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My gas log fireplace releases alot of black soot....how do i fix this

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  • Desa Interna... Master
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This needs a service asap soot is poor combustion

Posted on Dec 31, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Need Instructions to use Fireplace Gas Logs

There should be a set of metal cards attached inside the fireplace.
First you should read everything there.

I know you have to first light the pilot light.
And then there should be a wall switch.

The problem I have currently is that it won't stay lit when the artificial logs are there.

Posted on Nov 23, 2008

  • 2522 Answers

SOURCE: light soot around propane fireplace vent

burners burning yellow , in complete combustion , blocked air ways to burner , it needs a service soon as poss

Posted on Jan 12, 2009

mrgrzz
  • 88 Answers

SOURCE: Black sot from vent free gas fireplace

Thanks for your question,
your problem is either impingement on your log set, or a product of incomplete combustion, if you notice soot on your logs, then you will need to take them out, clean them, and reinstall them as to not have the flame touching them, you will need to clean the burners as well, make sure nothing is laying across the burners, as this too will cause sooting, as far as incomplete combustion, was this model a natural gas converted to propane or the other way around ? if so who ever converted it, did they adjust the gas valve according to specs? improper adjustment will cause sooting or hooking up a natural gas unit to propane will do this too, I will recommend using (Rutland White Off) to remove any soot from your glass, it works fantastic for this ! any ace hardware will carry it, please do not use windex or any other cleaner on the glass as it will more than likely leave a rainbow affect on your glass once the glass heats up, hope this was helpful to ya, please rate this solution, thanks agai
mr.grzz

Posted on Jan 25, 2009

  • 1 Answer

SOURCE: gas fireplace will not stay lit

there is a probe that is in the one of the flame... This once heated builds up enough pressure do to the heat to keep the shut/off valve open... (reason, if the flame went out the gas would continue to flow) this "thermocouple is replaceable !! contact me at homeprohandyman@verizon.net

Posted on Feb 23, 2009

SOURCE: I have a Martin ventless gas log fireplace. I

Sometimes when you turn a gas heater off for some time, if the source tank has been turned off, the line will bleed the propane and the line will contain mostly air. This is especially true if the supply line is long. In order to light the pilot, you will have to hold the pilot lighting button down for a while (a full minute or longer, depending on the size and length of the supply line) before pure propane arrives at the pilot light jet. You should keep a lighted lighter at the jet so that when the gas arrives, the lighter will light it. After the pilot lights, you will have to keep the button pressed long enough for the thermocouple to get hot enough to set the pilot to stay on. When it is hot enough, you should be able to release the pressed lighting button and the pilot should stay on. If it does, you should be able to light the heater. If the pilot jet never lights, gas is not getting to the regulator. If the pilot will not stay lit after a period of time waiting for it to heat the thermocouple, the thermocouple or the regulator may be bad and need replacement. :-)

Posted on Jan 03, 2010

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1 Answer

Why gas log fireplace releasing black soot


Logs are likely not placed properly on the burner. Option two is if they are a vented gas log soot is normal, but only on vented sets. Unvented Logs will be soot free. Soot is a sure sign of Carbon Monoxide. Install a detector if you do not have one.

Dec 30, 2012 | Desa International Heating & Cooling

1 Answer

I have a black soot on all my walls through the whole house especially the exterior walls. I believe it is caused by my propane fireplace. Im not sure if it is not ventilating properly or what the problem...


Is a Vented or Vent-free gas fireplace? I really suspect it's Vent-free (ventless) as a vented unit, unless the direct vent is clogged exhaust everything, including 85% of the heat out side.

Here are the things that will cause a Vent-free Gas Fireplace to soot.

  • Not having the fireplace cleaned and serviced, at least annually by a qualified technician.
  • Misplaced logs that impinge the main burner flames.
  • Running a ceiling fan at the wrong speed and in the wrong direction while fireplace is burning.
  • Burning scented candles while burning the fireplace.
  • Low Gas Pressure to the burner.
Here are the solutions to the above listed causes:

  • Have the fireplace cleaned and serviced.
  • Check your Owners Manual concerning the proper placement of each log,
  • Run the ceiling fan Counter Clockwise and at the slowest speed. The fan on the side of the switch should be in the UP position for Winter and Down for Summer.
  • Scented candles soot any way. Add the warm moist heat of the Gas Fireplace and they'll soot 50 times worse. The scent is not natural, it has an alcohol base like after shave & cologne. Stop burning scented candles. It has been proven that they greatly contribute to indoor air pollution.
  • Low gas pressure causes incomplete combustion, which causes the burner to soot. Have it checked by your propane provider.
Based on my 15 years in the hearth and home business and having sold and installed hundreds of these appliances, I am will to bet, it's a cleaning and servicing issue or misplaced logs.

Hope this helps you solve your sooting problem. I woud really like to know how it works out for you.
Please let me know at americanhearthandhome1@yahoo.com

Thanks ... Rich

Feb 16, 2011 | Heating & Cooling

1 Answer

I also deal with soot everywhere. I have propane. We do have a chimney that we vent when using. Still soot.


Soot is a sign of too much gas and not enough air. Have your propane supplier make proper addjustments.

May 14, 2010 | Napoleon 36" Zero Clearance Top/Rear Vent...

1 Answer

Soot on glass,outside vent and on walls of fireplace


you have a problem with combustion.unit is not burning properly you should turn unit off and call a pro the life you save may be your own

Apr 12, 2009 | Leisure HOMEPRIDE Electric Fireplace...

3 Answers

Black soot on glass and black smoke comes out


Remove the burner and clean all holes ,typically at the end of the burner is a cheep sheet metal valve.This valve adjusts the air to gas mixture by rotating it to increase or decrease the combustible air intake.Air must be sucked into the burner as natural gas is injected into it, this makes for a clean flame,The flame should be blue with small yellow tips.If the flame is long and yellow and sooty increase the air intake on the burner valve.

Jan 26, 2009 | Napoleon 36" Zero Clearance Top/Rear Vent...

1 Answer

Black sot from vent free gas fireplace


Thanks for your question,
your problem is either impingement on your log set, or a product of incomplete combustion, if you notice soot on your logs, then you will need to take them out, clean them, and reinstall them as to not have the flame touching them, you will need to clean the burners as well, make sure nothing is laying across the burners, as this too will cause sooting, as far as incomplete combustion, was this model a natural gas converted to propane or the other way around ? if so who ever converted it, did they adjust the gas valve according to specs? improper adjustment will cause sooting or hooking up a natural gas unit to propane will do this too, I will recommend using (Rutland White Off) to remove any soot from your glass, it works fantastic for this ! any ace hardware will carry it, please do not use windex or any other cleaner on the glass as it will more than likely leave a rainbow affect on your glass once the glass heats up, hope this was helpful to ya, please rate this solution, thanks agai
mr.grzz

Jan 25, 2009 | Leisure HOMEPRIDE Electric Fireplace...

2 Answers

We have propane fire place an recently when we use it it is getting a black suit all over the fire place. my step dad thinks it is not burning hot enough but we dont know what the problem is.


Thanks for your Question,
Black soot is the by product of incomplete combustion, with Propane you will get alot more soot than with Natural gas, you need to look at how the flame are hitting your log set, if you have alot of soot on them you will need to reposition them as to not let the flame impinge on them causing the sooting affect, you will also need to check the burner for any type of blockage on them, clear off any thing that is on them, also you will need to check your venting for any blockage, I would also recommened you use a product called (rutland white off) it is a fantastic cleaner for fireplace glass, please do not use windex or cleaners of that type as they will cause a rainbow affect on the glass after heating to a certian point, hope this was helpful to ya, please rate this and let us know how we did, thanks again,
mr.grzz

Jan 25, 2009 | Desa International Wall/Window Air...

1 Answer

Light soot around propane fireplace vent


burners burning yellow , in complete combustion , blocked air ways to burner , it needs a service soon as poss

Dec 22, 2008 | Empire DV-215 Direct Vent Natural Gas...

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