Fireside 18" Weathered Oak Vent Free Propane Gas Log With Millivolt Control Burner System h63.75 Available in natural gas and Mesh Panel Dimensions:24" x 20" Available in natural gas and propane Ideal when using multiple heaters to set up zones for a variety of simple or complex applications Infinite Heat Control Use Any Switch Solid State Control Packages work in conjunction with Infratech’s Analog Controllers Only Timer Analog Controllers are offered with or without Digital Timers Remote Dimming Zoning Capabilities Smart Phone Tablet Application NEMA Rating NEMA 12 Analog NEMA 4 Panel Wiring Diagrams Provided Tested Before It Leaves The Factory Assigned a UL Listing Number Panel Built Job Specific Each relay has a max capacity of 9 harmless from any and all claims by the buyer as a result of injury or damage to an ultimate user or other person caused by the product sold herein by the seller to the buyer This warranty does not cover breakage caused by excessive handling once installed and fired