Question about Procom QL300TYLA Heater

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Combustion fumes I've had my ProCom heater for a few years with no problems. Now I'm getting strong combustion fumes that I didn't have before. The flame looks ok, nice color. Even the pilot has a strong combustion smell. I've checked everything and it appears ok. Help!

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  • elizabethlut Dec 13, 2008

    Charmglow gas heater (QL300TYLA). Has a bad smell,I would guess carbon dioxide.Even the pilot light.

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I have the same problem but I am on Natural gas and it will go out sometimes.

Posted on Jan 13, 2009

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The professionals at Pro-Flame in Colton, California, told me it was probably the residue that builds up in the bottom of a propane tank over a number of years of use. They asked me when my tank was last tested and certified for safety. Since I couldn't remember, they suggested I bring it in for them to empty and certify next time I needed to refill. They did, charged me about $30, certified it as safe, and I haven't had that odor since.

Posted on Dec 13, 2008

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Vent-free gas appliances are very safe and very efficient. They use interior air for combustion and have several safety features that will shut them down if something goes wrong. One of the these safety features is the Oxygen Deletion Sensor (ODS). Since the heater uses interior air for combustion, what every floats in your household air (dust, lint and/or pet air) will eventually get into the eater and clog the ODS, the burner air intake or the blower, if you have one.

Rather than go into a lengthy explanation on how to clean your heater (it will involve removing the front of the heater cabinet), I have provided a link to a pdf format of the Owner's Manual for your heater.

http://www.usaprocom.com/product_category.php?choice=1&sid=1&prod=21


Look on page 22 for directions on how to clean & maintain your heater.

If cleaning doesn't help solve your problem, the other things that could possibly cause it are low gas pressure to the unit; insufficient air for safe operation, Thermocouple may be loose where if connects to the Control Valve or Thermocouple may need replacing.

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