Question about Uniflame 200209 Open Flame Patio Heater

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Gas stops flowing when I release the knob after lighting

I have a Sunray table top heater. I can press in the knob to get gas and ignite the flame, but when I release the knob, gas stops flowing.

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  • steveely Feb 09, 2010

    I've held it for as long as 5 minutes, and it still doesn't work. Do I have to replace something?



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You have to hold for 30 secs to minute once flame is lit if it is like more gas ignition systems

Posted on Feb 09, 2010

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  • John Rodgers
    John Rodgers Feb 09, 2010

    ok if you are holding it for that long then your thermocouple has failed and you need to replace it. the thermocouple is at the pilot light and it is a small rod that burns in the pilot flame, it is connected to the gas valve. just remove it and install a new one not a difficult process.. the thermocouple is a safety that allow the pilot to hold and stay lit and therefore send a millivolt signal back to the valve letting it know it is ok to send a large amount of gas to the burner,

  • John Rodgers
    John Rodgers Feb 10, 2010

    I am not a wanna be tech! and he is not a customer, a customer pays you !! you are offering advise.And i read your solution again and I dont see thermocouple mentioned and besides it is a thermoplie issue anyway, the unit he has can have pilot lit and completely remove the thermopile if you want and pilot will stay lit, other units this is not so but for his it is. Don't get a mad because you are wrong its all a learning curve even with 30 years exp and I am sure the guy never thought you were any less helpfull he is only looking for solutions. I never mean't any disrespect to you at all and if anything your comments to me are very disrespectful and you should take your own advise.


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Before you go changing parts, clean up the pilot assembly. When you heat metal and let it cool and heat it again it causes it to corrode. Also for some reason these areas seem to attract little spiders who make their homes here. This causes gas flow problems which in turn could affect the size and direction the pilot flame. For if it does not touch the thermocouple, thermopile or whatever that little thingy is called that tells the gas valve to allow the gas to will not tell the gas valvle to let it flow. Remove the corrosion, spiders, spider webs and any other insects then sand the thermocouple, thermopile or whatever that little thingy is with a rough sandpaper to remove corrosion. It will likely work after that.

I maintain six similar heaters for a restaurant in Charlotte, NC. Rust and bugs seems to be what gets them every time.

Posted on Mar 24, 2010

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John Rodgers1, I have no respect for some wanna be tech telling a customer that I was wrong on a solution!!! You don't put other techs down!! Its wrong. If you go back and read my partial solution, you will find I said the thermopile Generator And or thermocouple is what keeps the pilot lite. You can check either with a meter to check the milivolts. So in the future, keep your smart *** comments to yourself. Have more respect for your fellow techs. If you feel they are wrong, say you don't agree.

Posted on Feb 10, 2010

  • Robert Horton
    Robert Horton Feb 11, 2010

    In Regards to your last comment, you were totally out of line. I have also replaced more generators and thermocouples then I have gas valves and am quite familar with both. The question if you will go back and read is how do I check a thermopile generator? If the pilot doesn't stay lit when you press and hold the knob down in the pilot posistion and dies when you let go, you have a bad generater or thermocouple. Thats common sense just as a water heater thermocouple. Just show some respect for your fellow techs even if you think they are wrong or right. My ratings speak for themselfs.


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1 Answer

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First, Change your technician.
There is a part that senses the heat from the ignited gas, usually quite close to the flame on the oven burner where it first ignites. It is called a generator and it produces about 1/3 of a volt, that holds the gas valve open only while the flame is lit, as a safety device. Pressing the knob at the time of ignition bypasses this by holding the valve open, after releasing the knob then the system relies on the presence of an oven flame to hold the valve open. Check the generator at the point it enters the oven control valve, is it loose? Maybe it is faulty or the oven valve is faulty. Any real technician can identify the the problem easily.

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Gas flows and heater ignites with the light button pushed. gas shuts off when button is released.

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The pilot will light manually with a match but after a minute when the knob is released the gas will stop to the pilot and the flame goes out when turnign to "ON"

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Jun 14, 2009 | Uniflame 200209 Open Flame Patio Heater

1 Answer


Igniting a Dometic gas fridge
    Electronic Ignition
    1. Open gas cylinder or pressure regulating valve
    2. Turn on Electronic ignitor switch
    3. Turn gas control knob to the MAX position, press and hold down
    4. After ignition, hold down knob for a further 15 seconds before releasing. The neon light will stop flashing
    Piezo Ignition
    1. Open gas cylinder or pressure regulating valve
    2. Turn gas control knob to the MAX position, press and hold down
    3. After approximately 10-15 seconds
      press Piezo knob several times until pilot light a lit
    4. After ignition, hold down knob for a further 15 seconds before releasing
  1. Check the Pilot light is alight
  2. The flame can be controlled by aperture ©
    Should no ignition occur, repeat the ignition process after 1 minute
    (This could take longer than 10 seconds if the unit has been out of operation for a prolonged period or after replacing the gas cylinder. (Cause: air in the lines)
  3. Once sufficient refrigeration has been obtained in the cooling tank at the MAX position, the control knob should be turned to the MIN position by low outside temperatures or when the refrigerator is only lightly loaded respectively the ambient temperature is below +18c in order to avoid over freezing the contents.
I hope this helps you...



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