Select from the leader in combining high-efficiency home comfort with lower heating costs. Easy recessed or surface-mounted installation in homes, schools, cabins, apartments, offices and shops. Great during power outages, no electricity required. No need to purchase a thermostat, as these units are equiped with a self-generating millivolt thermostat that may be wall-mounted or cabinet-mounted. All models feature resettable vent-limit safety switch as standard equipment. Patented, side-relief vent design reduces flue gas temperatures and also reduces operating costs. It is top vented and equipped with an automatic thermostat, safety controls, "matchless" pilot igniter and long-life ceramic-coated combustion chamber.

Unit comes from factory set up for natural gas. In order to operate on LP (liquid propane), the Williams 8902 LP Conversion Kit must be purchased seperately.

Important Safety Notice:  The surface temperature of wall furnaces can exceed 200 degrees Fahrenheit. Avoid touching the furnace while it is in use. If children will be present, provide a physical barrier to prevent accidental contact with the furnace. Please read this additional Important Safety Notice.

Standard Features

• Durable, ceramic-coated combustion chamber increases efficiency.
• No electricity required ... great during power outages.
• Exclusive, patented design for higher efficiency.
• Automatic temperature and safety controls. Thermostat may be mounted on the wall or on the furnace cabinet. Included with all models.