Question about Blue Flame Heating & Cooling

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Orange flames on two Blue-Flame heaters, dual fuel, currently running propane.

Units are approximately one year old. The pilots even have orange tips, but stay lighted just fine. There's an old CharmGlo nearby running off the same gas source and its flame is still deep blue. Suspected a line pressure drop, so I tied in a tank and regulator from six feet away to test and there was absolutely no change. Would now figure the air intake needs to be adjusted, but why the orange pilots and why the exact symptoms on two heaters?

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  • Michael Andrews Nov 03, 2012

    Thanks. Already blew out the pilot and the burner openings, but now planning to disassemble and force air through the burner tube itself. Still puzzled that the pilot also has an orange hue.

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  • Blue Flame Master
  • 2,460 Answers

Could be that the burner needs cleaning dirt in the burner tubes

Posted on Nov 03, 2012

6 Suggested Answers

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Posted on Jan 02, 2017

  • 37 Answers

SOURCE: I have a Vulcan Freeloader that is over 10 years

The pilot assembly is stopped up. It will need to be taken apart, blown out or cleaned and re-intalled. The yellow, lazy flame is preventing the thermocouple from getting warm enough to allow the main burner to ignite. Hope this helps.

Posted on Jan 20, 2011

Buffalo12980
  • 625 Answers

SOURCE: Pilot light seems to high

there may be an adjustment screw for pilot height. you'll have to look at the valve. a pilot should have an inner cone of greenish blue color and the surrounding flame should be a deep blue no yellow or orange tips. the pilot burns pure fuel no air. the main valve does mix air with the gas in order to burn.

Posted on Nov 04, 2007

  • 41 Answers

SOURCE: yellow pilot on heater

Best Solution posted on May 06, 2008 4%20stars.png
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soleman13au
Rank:master_s.gif Master
Rating: 90%, 19 votes
Hi mitalee1
All it needs is a good blow out with compressed air. They tend to carbon up in the pilot light area. You will probably also find it is very dusty inside. Easiest way to clean the carbon out is to remove the hose at the heater and with compressed air blow through the fitting where you have removed the hose. Make sure you hold down the start button so the air can get through to the pilot light and jets. Don't connect the electricity for the fan when you do this. If you can get to the top of the pilot light it may help to give that a blow out too.
To clean it out internally you only need to remove the front panelling. Just follow the screw configurations *** you go. I asm not familiar with that type of heater so thats about the best I can do. Regards Bryan

Posted on May 07, 2008

  • 2 Answers

SOURCE: blue flame heater pilot wont stay lit

the thermocouple is bad.replace it and your good to go.about 8 or 10 bucks at your local hardware

Posted on Feb 03, 2009

  • 77 Answers

SOURCE: dyna glo tag along propane heater pilot stays on but when turning

sounds like either a bad thermocouple or more likely a pressure regulator problem. should have unit checked by someone familiar with propane systems.

Posted on Jan 22, 2010

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I have a 40 year or so propane heater manufactured by King Stove an Rane. It has a couple things adjusted on it, so I am looking for an owner/repair manual for that brand.It is 65,000 BTU if anyone knows...


I think you'll find that a hard copy of a manual for an obscure brand that old will be impossible to find.....However.....the GOOD thing is units that old are very simple to troubleshoot and repair.

If there are no obvious external damages, and it is set up for the gas you are using, i.e. natural gas or propane.... turn on the gas and leak test the connections. If good, twist the control knob to the pilot position and light the pilot light. If it holds in after 45 seconds, good, turn the gas knob to the on position and adjust the thermostat to a setting above room temperature and observe operation. If the pilot goes out, replace the thermocouple. Around 40 years ago most small units still utilized thermocouples and not electronic ignition.

The flames should have two blue cones...an inner darker cone enclosed in a larger, softer outer lighter blue cone with an occasional flicker of orange on a few of the flame tips. NO YELLOW !!!! If its on natural gas, there will be air shutters secured by a captive screw on the venturi end of the ribbon burners. Air mixture can be adjusted here to attain the aforementioned dual blue cone flames. If it is on propane, those shutters will either by removed or need to be in the 100% open position.

You really didn't describe a problem, so this should be enough to get you started.....remember if you do not feel comfortable messing with gas or electric and are unsure of your level of expertise, or of your mechanical ability it is best to leave gas and electric problems with a gas fired appliance to a professional service man.

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1 Answer

I have a new Atwood G6A-7 water heater. The pilot lights fine but gas flow, when it turns on, is so strong it will blow the pilot out. Certain times, it sounds and looks like a mini fire ball going


Clean burner tube with proper brush, such as long spring type for bar-b-Q burner tube that are available at most hardware stores, and make sure you have new burner tube aligned properly (straight on) with brass orifice on gas control. Then be sure to adjust air shutter for nice blue flame, with little orange at tip. Do not give so much air that flame roars or jumps off the end of the burner tube. Too many people think more air, less fuel, but actually, when flame roaring and jumping off end of tube, the heat passes through faster and it takes longer to heat the water inside the tank. Like I said, only enough air to have quiet, steady blue flame. If your not giving it enough air, you'll see dark soot on trailer above water heater, which indicates burning too rich, need more air, or perhaps pilot is partially plugged. Pilot flame should also be blue, not yellow/orange. Small air intake hole on side of fitting just before pilot tube can get spider web, or debris in it as well. Use air to blow that out or a piece of wire like a paper-clip to clean inside that hole.

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I have a Vulcan Freeloader that is over 10 years old. The pilot does not stay lit when I release the red button. Also, the pilot flame is orange. What can be done as the main burner would not work when the...


The pilot assembly is stopped up. It will need to be taken apart, blown out or cleaned and re-intalled. The yellow, lazy flame is preventing the thermocouple from getting warm enough to allow the main burner to ignite. Hope this helps.

Jan 20, 2011 | Heating & Cooling

1 Answer

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check to see if the flame is pure blue. if not you have incomplete combustion letting CO or CO2 into the room. The flame will look yellow if this is the case. An orange flame indicates dust and dirt around the burner assembly. If it is yellow, the should be 1-2 set screws on the back of the burner assembly that will let you adjust the primary air being mixed with the propane.Adjust until you get blue flame and tighten set screws.

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1 Answer

Pilot light seems to high


there may be an adjustment screw for pilot height. you'll have to look at the valve. a pilot should have an inner cone of greenish blue color and the surrounding flame should be a deep blue no yellow or orange tips. the pilot burns pure fuel no air. the main valve does mix air with the gas in order to burn.

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