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 youll never again be left in the cold with wet logs or without heat during a power outage.3 Year limited warrantyBTU: 29,000 - 40,000 Burner Style: MNF24 Collection: Giant Timbers Control Type: Millivolt Fuel Type: Gas Log Material: Cast Refractory Log Size: 24 Minimum Fireplace Depth: 15-1 2 Minimum Fireplace Height: 28 Minimum Fireplace Width: 32-1 2 Venting Type: Vent-Free View Style: Front View |