Having a gas fireplace insert doesn't mean you have to sacrifice the realistic look of logs or coal. Find your right gas burner for fireplace inserts here at eFireplaceStore. One of our highest rated sellers is the Hargrove Faux Coal Vented Burner with Remote Ready Rotary Controls for Natural Gas which generates up to 34,000 BTUs. And with our low prices, it's never been easier to upgrade your burner for fireplace insert.
Is there a faux coal burner available that is designed to use L/P gas? We have fully functional crock flue lined fireplace chimneys and also have period cast iron coal baskets. Basket Inside diameters are 15" at front 9-1/2" deep and 13" at the back.
Based on your dimensions and description, I believe this Coal Burner will work just fine for you.
If you have any questions about the right propane fireplace burner or gas burner for fireplace for you, feel free to contact our knowledgeable customer service representatives or NFI certified technicians!