Reddit reviews Skyflame 1/2 Inch Straight Gas Key Valve Kit for Fire Pit Fireplace with Flange and 3 Inches Key, Chromed
We found 1 Reddit comments about Skyflame 1/2 Inch Straight Gas Key Valve Kit for Fire Pit Fireplace with Flange and 3 Inches Key, Chromed. Here are the top ones, ranked by their Reddit score.
For use with natural gas or liquid propane fuels; Rated at 150,000 BTU; 1/2 PSIHigh capacity flow for best flame performance, 1/2 inch inlet and outlet with standard female NPT threadsIncludes Quarter-Turn Ball Valve (brass), 3 inch Key and Floor Plate Flange (chromed)Ball valves are superior to globe valves for on/off control without pressure dropPerfect for homemade fire pit, fire bowl, fire table, fireplace project so on, very easy to use
Most likely your fireplace, even though it's wood-burning, is piped for a natural gas log lighter or gas fireplace insert. There may be a capped pipe similar to this inside the firebox somewhere.
Your square shaped key is the universal standard for that kind of natural gas line, and there's a valve behind the wall.
According to this "expert", the PP and LL on your key stand for "PricePfister" and "Log Lighter"