Williams 45,000 BTU Natural Gas Floor Heater

Affordable solution for large areas with limited floor space. This unobtrusive furnace requires no above-the-floor space. Natural convection quietly and efficiently circulates warm air. Combustion chamber lifts out for easy servicing.|58% AFUE with70% heats approximately 700 sq. ft.|No electricity required; great for backup heat during a power outage|Fitted with an automatic floor register grille temperature control|Resettable vent-limit safety switch and "matchless" pilot igniter|Long-life and quiet heavy-duty burner controls|High altitude and gas conversion kits available|Thermostat sold separately|Quiet, heavy-duty burner|Must be vented vertically|Designed for 24-1/4 in. x 32-3/8 in. floor openings|1/2 in. gas connection|4 in. vent pipe diameter|Equipment should be sized, selected and installed by a qualified professional to ensure proper installation, safe operation, adherence to federal, state and local codes and for valid warranty, see installation guide for more details