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Rheem 80% AFUE 50,000 BTU Downflow Gas Furnace

Model: W801SA050314ZSB Item Number: 94021
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Rheem W801SA050314ZSB
Rheem W801SA050314ZSB
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Ships in 2-3 Weeks
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Free Shipping ? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Free Lift Gate ? *This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Rheem 80% AFUE 50,000 BTU Downflow Gas Furnace
Rheem 80% AFUE 50,000 BTU Downflow Gas Furnace Model: W801SA050314ZSB Item Number: 94021
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Condition: New ? This product is new and has never been used. It's in its original packaging, which has not been opened.
Specification Highlights
    Gas Furnace
    Product Line
    Fuel Type
    Natural Gas
    Vent Type
    Direct Vent
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? Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Motor/Blower Type


Overview for Rheem W801SA050314ZSB

    WeatherKing provides high-quality HVAC systems that will assist you in taking control of your home comfort. Your castles inhabitants deserve reliable and efficient heat, and WeatherKing® has just the right products to keep everyone comfortable. With WeatherKings 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
  • 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.
  • Features
  • 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 set up


General Information
Gas Furnace
Product Line
Fuel Type ? To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Vent Type ? Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Direct Vent
Modulating/Staging ? Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control.
Single Stage
Blower Type ? Blower type describes the motor that powers the fan in the unit. PSC multi-speed is the standard motor that operates with pre-set fan speed levels. ECM multi-speed are more efficient but still operate with pre-set fan speeds. Finally, ECM variable-speed motors are also energy efficient and automatically adjust to changing system conditions.
PSC Multi-Speed
Orientation ? Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Gas Conversion Kit
Nominal Heating Capacity
50000 BTU
High Fire Input
50000 BTU
High Fire Output
40000 BTU
AFUE ? AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
80 %
Maximum Air Flow
1345 CFM
Electrical Data
115 Volts
60 Hz
Minimum Circuit Ampacity
9 Amps
Recommended Breaker Size
15 Amps
Product Height
34 Inches
Product Width
14 Inches
Product Depth
28.0625 Inches
Shipping Weight
85 Pounds
AHRI Certified
ISO Certified
Warranty Information
Parts Warranty ? A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab.
5 Years
Heat Exchanger Warranty
10 Years


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Rheem 80% AFUE 50,000 BTU Downflow Gas Furnace
Rheem W801SA050314ZSB
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