Williams Furnace 400773 Forsaire 40000 BTU Direct-Vent Furnace with Standing Pilot

Product Description

The Williams Furnace Company 400773 Forsaire is a direct-vent furnace that provides efficient heating at 40,000 BTU. This furnace is designed for indoor use and can effectively distribute heat in homes, offices, and schools. Its compact design measures eleven and three-quarter inches deep, making it suitable for flush or recessed mounting against exterior walls.

• Utilizes outdoor air for safe heating and reduced indoor air use.
• Operates quietly with a built-in blower and heavy-duty motor.
• Compatible with natural gas or liquid propane options.

Product Highlights

Install this counterflow furnace along an exterior wall to draw in fresh air for combustion, ensuring safe operation while keeping indoor environments comfortable. The unit disperses heat evenly, providing warmth at floor level.

Product Information

Standard Information

• Installation Type: Recessed / Surface Wall Mount
• Fuel Type: Choice NG / LP

Technical Specifications

• Heating BTUs: 40000
• Heating BTUs (Output): 32000
• AFUE Efficiency: 75.4%
• Type of Venting: Direct Vent
• Vent Connection Size: Oval to 4 inches Round
• Blower: Included
• Ignition Type: Standing Pilot
• Control Type: Wall Thermostat Required (NOT INCLUDED)
• Gas Connection Size: 1/2 inch
• Manifold Pressure: 4.0 inches w.c. (NG) / 10.0 inches w.c. (LP)
• Inlet Gas Pressure (Min.): 5.0 inches w.c. (NG) / 11.0 inches w.c. (LP)
• Inlet Gas Pressure (Max.): 7.0 inches w.c. (NG) / 13.0 inches w.c. (LP)
• Top to Ceiling Clearance: 4 inches
• Bottom to Floor Clearance: 59 inches
• To Side Wall Clearance: 4 inches