The logs are carefully crafted to provide you with a realistic-looking fire and burn pattern with flickering flames that rise through the stack. The Slope Glaze burner features hidden controls and includes a standing pilot for instant starts. This burner includes a millivolt valve and features on/off operation and can be controlled manually or by remote control or wall switch (sold separately). There is no flame control or temperature adjustment with this burner. You have the option of using a thermostat, a remote control, or a combination thermostat and remote control. A remote control and thermostat are not included. A ventless burner may be installed in a vented fireplace for use as a decorative appliance. A decorative appliance operates with an on/off switch or remote control, and may not work with a thermostat. Note: This unit does not include a remote control. Compatible Remote Systems: FRBC (On/Off Remote), FRBTC (Thermostat Remote), FREC (Electric Remote), FRBTPS (Programmable Remote), FWS1 (On/Off Wall Switch), TMV (Reed Switch), TRW (Wireless Wall Thermostat Remote), TDV1 (Wall T'stat). Includes: 24" 13pc Refractory Log Set & MV Slope Enamel Burner. Features: Model #: LS24P-VFSR24NAT Vent Type: Ventless Logs: Log Size: 24" 13pc Log Set Log Type: Ponderosa Refractory Burner: BTU: 36,000 Burner Size: 24" Fuel Type: Natural Gas Air Shutter: 1/16". Burner Type: Ventless/Vented. Control Type: Millivolt with On/Off switch. Convert to vented systems by opening the flue damper. Minimum Clearance Dimensions: 30" x 23" (RW) x 14" (D) x 18" (H).