WeatherKing provides high-quality HVAC systems that will assist you in taking control of your home comfort. Your castle's inhabitants deserve reliable and efficient heat, and WeatherKing has just the right products to keep everyone comfortable. With WeatherKing's efficient selection of residential Furnaces at your fingertips, you can keep discomfort out of sight, and out of mind. Your home is your castle. Keep it comfortable with WeatherKing.



  • Dependability is of the utmost importance when it comes to your family's comfort. Our W801S Gas Furnace comes standard with the direct spark ignition system (DSI), which is one of the most dependable ignition systems available today.


Quiet Operation

  • Quiet Operation is what you get with the W801S Gas Furnace. The tight door seal helps eliminate whistling. We've also added rubber grommets on the motor mounts and a twist lock wire harness in the blower shelf.


Easy installation and maintenance

  • Easy installation and maintenance features benefit consumers, too. This means savings on installation costs and faster, more cost-effective repairs during maintenance. The W801S Gas Furnace is also designed with the industry-first 7-segment LED display.



  • 80% residential Gas Furnace CSA certified
  • 3 way multi poise design UF / HZ
  • 7 Segment LED all units
  • Direct spark ignition —for reliability and longevity
  • Heat exchanger is removable for improved serviceability. Aluminized steel construction provides maximum corrosion resistance and thermal fatigue reliability.
  • Solid doors provide quiet operation
  • Low profile 34" cabinet ideal for space-constrained installations
  • Blower shelf design serviceable in all furnace orientations
  • Hemmed edges on cabinets and doors
  • 1/4-turn door knobs for tool less access
  • Integrated Controls board features dip switches for easy system setup
  • 662021525667

WeatherKing 80% AFUE 4-Ton Drive, 17.5" Wide 75,000-BTU Upflow Gas Furnace

SKU: W801CA075417MSA
$833.00 Regular Price
$763.70Sale Price
Type Gas Furnace
Product Line WeatherKing
Product Sub-Line W801C
Fuel Type Natural Gas
Vent Type Chimney Vent
Modulating/Staging Single Stage
Blower Motor ECM Multi-Speed
Configuration Upflow/Horizontal
Gas Conversion Kit Available