12,000 BTU Infrared Vent Free Natural Gas Wall Heater Item Weight:14.1 tongue and grove flooring tongue and grove flooring ) 12 Product Weight (lb Variable control knob offers the most customizable heat settings: LOW 6 such as power outages ECONOMICAL Cut heating bills by warming only occupied areas COMFORT Manually adjust the heat setting to your desired temperature SAFE Built in oxygen depletion sensor (ODS) immediately shuts down the heater if carbon monoxide or lack of oxygen is detected CONVENIENT 1 continuous press of the battery assisted igniter makes ignition quick and effortless VERSATILE Includes all necessary hardware and bracket for wall mounting UPGRADEABLE Separately sold optional base legs (WBL100) provide the alternative of floor mounting