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Rheem 80% Efficiency Gas Furnace Unit


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Rheem 80% Efficiency Gas Furnace

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Product Features

Rheem Classic® Series Upflow/Horizontal Gas Furnace
R801C (UF/HZ) Series Model Features

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The Rheem Value Series line of upflow/horizontal gas furnaces is designed for utility rooms, closets, alcoves, or attics. Because of the model’s low-profile 34-inch [864 mm] height, the upflow model can also be used to satisfy most applications that traditionally call for a horizontal furnace.

  • 80% residential Gas Furnace CSA certified
  • 3 way multi poise design UF / HZ
  • PlusOne™ Diagnostics – 7 Segment LED all units
  • PlusOne™ Ignition System – DSI 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
  • QR code for quick access to product information from your smart phone or tablet
  • Constant Torque electrically commutated motor
  • Cabinet air leakage less than 2% at 1 inch H2O when tested in accordance with ASHRAE standard 193

Technical Specification

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Product Number R801CA050314MSA R801CA075417MSA R801CA100521MSA
Unit of Measure EA EA EA
Weight 110.0 Pounds (Lb) 125.0 Pounds (Lb) 140.0 Pounds (Lb)
Length 28.5 Inches (In) 28.5 Inches (In) 28.5 Inches (In)
Width 14.0 Inches (In) 17.5 Inches (In) 21.0 Inches (In)
Height 34.0 Inches (In) 34.0 Inches (In) 34.0 Inches (In)
Equipment Type Furnace Furnace Furnace
Stage Single Single Single
AFUE 80% 80% 80%
CFM 1305 1402 1840
Air Flow Upflow / Horizontal Upflow / Horizontal Upflow / Horizontal
BTU Input 50000 75000 100000
BTU Output 41000 61000 81000
Voltage 115 VAC 115 VAC 115 VAC
Phase Single Single Single
Cycle/Hertz 60 Hz 60 Hz 60 Hz
Minimum Circuit Amps 8 8 10
Maximum Fuse Size 15 15 15
Blower Motor HP 1/2 HP 1/2 HP 3/4 HP
Filter Size 12 1/4″ x 25″ 15 3/4″ x 25″ 19 1/4″ x 25″
Ignition Type Direct Spark Direct Spark Direct Spark
Color Gray Gray Gray
Fuel Type Natural Gas or LP Natural Gas or LP Natural Gas or LP
Gas Connection 1/2″ [12 mm] N.P.T. 1/2″ [12 mm] N.P.T. 1/2″ [12 mm] N.P.T.

Warranty Information


Rheem will furnish a replacement for any part of this product which fails in normal use and service within the applicable period stated, in accordance with the terms of the limited warranty.

Conditional Parts: Ten (10) Years

Heat Exchanger: Twenty (20) Years

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