Williams 60,000 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 850 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|Must be vented vertically|Designed for 24-1/4 in. x 42-3/8 in. floor openings|4 in. vent pipe diameter|1/2 in. gas connection|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|Recommended for professional purchase only