Question about Desa International Heating & Cooling
Just changed the tank yesterday the heater has worked good til now and the pilot light keeps going out. it will relite and burn for awhile and then it will go out
Make sure you have a clean and strong pilot light. Take a rubber tube and blow the pilot head to make sure something didn't partially block your pilot when it was off reducing the heat to the thermocouple or thermopile.
Posted on Dec 31, 2012
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Posted on Jan 02, 2017
SOURCE: charmglow patio heater
Well, I just went out this morning and worked on the heater after it would not light last night. Turns out that a spider or moth set up camp in the pilot light intake housing and plugged up the two small mixer holes that pull in air for the pilot light. This would explain the 'yellow-flame'. I took a punch awl and some compressed air and cleaned out the hole, then re-installed the cover and knob. Lastly, I turned and depressed the knob and the pilot light ignited almost instantly, stayed on when I let the knob up, and the heater turned on normally after that. Good luck, I hope this helps.
Posted on Nov 09, 2008
SOURCE: Unable To Keep Pilot Light Lit!
I have a Williams top vent gravity wall furnace (model 5009622) and I had the same problem. I had to take the cover off the furnace -- screw on top and two at the bottom (open the access door and there is one screw on each side) to get to the reset button for the vent safety shutoff system. On my furnace it's on the left side toward the top of the unit. I pressed the little red reset button and it's been working ever since. If your furnace is properly installed and doesn't have bird's nest in the chimney, it should work fine. Good luck!
Posted on Dec 06, 2007
-perhaps you have resolved your issue, which is why you have not responded to my questions...this is great if it is true, but just incase I will attempt to answer it anyway
-the pilot does not require much fuel to maintain (more than you think..when you look at the summer bills)
-when the thermostat calls for the burner to fire, it opens the valve and the fuel SHOULD flow
-when insufficient fuel is provided, the increased demand actually causes the burner to extinish itself, which results in the valve automatically closing (safety feature)
-if the fuel is liquid (i.e. heating oil) there will be a filter which is likely the cause of the lack of fuel delivery....this is a $15 filter...available at many hardware stores..or even you fuel supplier
-the process is simple.
if you are uncomfortable at all...then call a fuel burner technician...please!
Remember....anything other than a FIX-YA will lower my rating...so please if you have any other questions....ask....if not...then FIX-YA
Posted on Nov 13, 2008
Pilot lighted furnaces have a thermocouple made from disasimilar metals that when heated create electricity to actuate a relay that alows the gas to flow to the furnace.
When the thermocouple gets coated with carbon from the pilot lights constant burning it acts as an insulator and keeps the thermocouple from getting enough heat to generate electricity, a very good safety factor.
What you have to do is locate the thermocouple it should be located over the pilot light, you will see a gray substance around the thermocouple it will be hard like cement, take a knife and scrape away as much of the gray material as possible then sand the themocouple with a medium sandpaper until it shines, use one of you wifes emery boards, this should solve your problem.
Posted on Feb 24, 2009
The problem is likely to be either the thermal-couple (easily replaced) or a clogged gas orrifice. The clogged orrifice would require a bit more know-how then the thermal-couple and with gas appliances it would be best to hire someone who knows what they are doing.
Posted on Mar 21, 2009
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