The Superior unique, clean burning design provides 99% heating efficiency, allowing you to operate the logs vent-free with the fireplace damper closed. With no venting required, there is no heat loss up the chimney. Plus heating with Superior gas logs means you'll never again be left in the cold with wet logs or without heat during a power outage. Variable remote and electronic ignition models include a remote control built-in thermostat and adjustable flame height settings. Includes Triple Flame Burner Only Features Model # TF2430PV. BURNER ONLY Triple Flame Variable Burner. Rating Variable 28,000/39,000 Btu/Hr. Gas Type Liquid Propane. Manifold Pressure 7.9 W.C. Inlet Gas Pressure in. of water Max 14 W.C., Min 11 W.C. For use with Fiber Log Set LTF24MM, LTF30MM and Concrete Log Set LTF24RS, LTF30RS, LTF24WT, LTF30WT by Superior Fireplaces. Specifications Size 24 . Log Set is shown in image, however not included in this product.