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I have a Rheem gas furnace, model # RGAA-100C and need help lighting the pilot. The instructions on the metal plate tell me to set the valve to off, then to pilot, push the valve down until lit, and then to on position. I do not see the off position, there is a pinhole size opening at the pilot position, is there where you light it? There is no other opening indicating where to light the pilot.

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Hi, follow what I say and it is very easy. The knob that says off, on, and pilot, is where you need to start. You don't want to turn it off now, as its been off for awhile now. Turn the knob slowly pushing down on it until you fill it go down. The knob will go down believe me. When this happens, keep holding it down as this is what starts the gas to the pilot which is back under the burner, under it. Just take a flash light and you can follow the aluminum tubing back and where it stops is where you light it with something long with a match in it or a small rolled up paper. Keep the knob down the whole time you are lighting it. When it lights, keep the knob pushed down for about another minute. Then slowly release the knob and the pilot should stay on. Once you have it on, turn the knob to on, not off. If you turn it the wrong way, it will go off and you will need to start over again. Once it stays on by itself, turn your thermostat up for heat and the burner will light and come on. Just remember that the pilot where you light it is where the tubing goes back under it, as the pilot gas goes through it. You will need a light. Look at the knob with a good light and it will tell you which way to turn it. In the pilot position, the knob will press down to let the pilot gas in, and you can reach back and light it. Then turn knob on. Pilot should stay light. Turn on thermostat and it will fire up. Let me know how it goes. You may have to try a couple of times.
Sincerely,
Shastalaker7
A/C, & Heating Contractor

Posted on Oct 05, 2010

  • Diana McCullough
    Diana McCullough Dec 10, 2013

    You are AWESOME!!! Your instructions really helped. I'm a single mom and we were cold. Now we warm and comfy. Thank you.

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    This is caused by dirt in the pilot tube. Take a needle or small nail and gently clean the tube. Flickering or Wavering Flame
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