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Question on Natural Gas Fire Pits

orangedog

Navin R Johnson
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I'm guessing some BOTLs out there either have fire pits, are HVAC pros, or maybe work in landscape/hardscape design/installation.

I have a circular fire pit fueled by natural gas. The section that the fire comes up through is probably between 3 and 4 feet in diameter.

When I turn it on, the flame comes out of the center of the pit, maybe a foot in diameter. It doesn't spread out through the whole opening.

The fire pit is filled with lava rocks (porous, not glass) that are probably about 3" in diameter. I've tried moving them around a bit, but the flame still remains predominantly in one spot.

Does anyone know how to push the flame so it fills the whole area a bit more, instead of just one small area in the center?

I'm thinking of taking all of the rocks out and adding them just a few at a time to see how it influences the path of the flame, but figured I'd see if anyone knew how to definitively go about this.

Thanks :thumbsup:
 

orangedog

Navin R Johnson
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Do you smell unburnt gas? How is your airflow? Is your burner clogged?
No unburnt gas smell... I assume airflow and everything is ok because when I first turn it on, it is a solid blue flame. Turns more orange once its been on for a while, but I think that is because the lava rocks get warm?

I should also add that the fire pit is relatively new - we had it installed about 6 months ago and have used it with some regularity... and while I haven't dug into it, I think there is proper drainage and everything in the bottom.
 

Jfire

BoM 9/9' 9/11' 8/12'
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What do the directions say that came with it? (trouble shooting section) Is there enough rock in the unit? It may just have a poor design to it.
 

BGC

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Throw some fire wood in there and just use the gas to light it if you can do that. I have a traditional fire pit so the fire is where the wood is.
 
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