Glo-Warm, Ivory, Thermostat Model Natural Gas Blue Flame Convection Heater, Thermostat Operation Automatically Modulates Heat From 15,000 BTU 's On Low To 30,000 BTU On High Or Any Setting Between High & Low To Pilot, Tempered Glass Between Burner & Grill, 1 Hand Piezo Ignition, Oxygen Level Control ODS System, Top Mounted Controls, Pressure Regulator, Heats Up To 1,000 SQFT, Wall Mounting Bracket Included. Thermostatically Controlled Blower Model #pp100, Vent Free Gas Heaters & Hearth Products Are Not For Sale Or Use In California, Check Local Codes For Restrictions On Sale Or Use, Operating Heater At Elevations Above 5,500' Could Cause Nuisance Outages, Product Dimensions: 24-1/2" H x 25 1/2" W x 8" D.