Monessen Gas Logs 18 Inch Charred Timber Vent Free Natural Gas Log Set - Millivolt On/Off Remote Ready. CTCL18 + TPB18NV. Vent-Free Gas Logs. This Monessen Gas Log Set Includes: Vent Free Gas Logs, ODS sensor, factory Assembled, ANSI certified triple play burner system with full yellow flame, deep ember bed, and glowing logs, grate assembly, lava rock, and rock wool embers. Burner Output: 28,000 BTU. Five Year warranty on Monessen gas logs, two years on everything else. Lighting Method: NO REMOTE INCLUDED!