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• 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
Rheem Classic
Upflow/Horizontal Gas Furnace
R801S- (Upflow/Horizontal) Series
80% A.F.U.E.†
Input Rates 50-150 kBTU
✝ A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with
Department of Energy test procedures.
• 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 codes for quick access to product information from your
smart phone or tablet
®
Series
ENER
UIDE
Annual Fuel Utilization Efficiency -
AFUE
THIS MODEL
80.0%
MID
HIGH
78%
82%
88%
97%
Gas Furnaces
Air
R801S (UF/HZ) Series
FORM NO. G11-542 REV. 2
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Summary of Contents for Rheem classic R801S series
- Page 1 Gas Furnaces R801S (UF/HZ) Series Rheem Classic ® Series Upflow/Horizontal Gas Furnace R801S- (Upflow/Horizontal) Series 80% A.F.U.E.† Input Rates 50-150 kBTU ENER UIDE Annual Fuel Utilization Efficiency - AFUE THIS MODEL 80.0% HIGH ✝ A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with Department of Energy test procedures.
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Page 2: Table Of Contents
Table of Contents R801S (UF/HZ) Series TABLE OF CONTENTS Standard & Optional Equipment ..............3 Model Features/Physical Data & Specifications..........4 Model Number Identification ................5 Dimensional Data ..................6-7 Blower Performance Data ................8 Accessories....................9 Limited Warranty ..................10... -
Page 3: Standard & Optional Equipment
(40VA) ready for All models can be converted by a qualified Rheem distributor or local air conditioning applications. (Please note: a thermostat is not service dealer to use L.P. (propane) gas without changing burners. -
Page 4: Model Features/Physical Data & Specifications
Model Features/Physical Data & Specifications R801S (UF/HZ) Series Model Features Physical Data and Specifications MODEL NUMBERS R801S SERIES R801SA050314M*A R801SA075417M*A R801SA100521M*A R801SA125524M*A R801SA150524M*A Input-BTU/Hr [kW] ➁ 50,000 [15] 75,000 [22] 100,000 [29] 125,000 [37] 150,000 [44] Heating Capacity BTU/Hr [kW] ➀ 40,000 [12] 60,000 [18] 80,000 [23]... -
Page 5: Model Number Identification
Model Number Identification R801S (UF/HZ) Series Model Number Identification Rheem 80 = 1 = Single Stage S = PSC Design Series Input 3 = Up to Cabinet M = Multi X = Low NO Revision- 80% AFUE Standard A = 1st Design... -
Page 6: Dimensional Data
Dimensional Data R801S (UF/HZ) Series Upflow Application Dimensional Data: Upflow Model REDUCED CLEARANCE (IN.) [mm] SHIP MODEL WGTS. LEFT RIGHT R801S- BACK FRONT VENT (LBS.) [kg] SIDE SIDE ➀ 4 [102] ➁ 6 [152] ➂ [356] [326] [270] [292] [48] 1 [25] 3 [76] 85 [38.6]... -
Page 7: Horizontal Application
Dimensional Data R801S (UF/HZ) Series Horizontal Application WARNING THIS FURNACE IS NOT APPROVED OR RECOMMENDED FOR INSTALLATION ON ITS BACK, WITH ACCESS DOORS FACING UPWARDS. Dimensional Data: Horizontal Model REDUCED CLEARANCE (IN.) [mm] SHIP MODEL WGTS. LEFT RIGHT R801S- BACK FRONT VENT (LBS.) [kg]... -
Page 8: Blower Performance Data
Blower Performance Data R801S (UF/HZ) Series Blower Performance Data CFM [L/s] AIR DELIVERY MOTOR H.P. [W] SPEED EXTERNAL STATIC PRESSURE INCHES WATER COLUMN [kPa] MODEL BLOWER SIZE IN [mm] 0.1 [.02] 0.2 [.05] 0.3 [.07] 0.4 [.10] 0.5 [.12] 0.6 [.15] 0.7 [.17] 0.8 [.19] 1/3 [249]... -
Page 9: Accessories
Accessories R801S (UF/HZ) Series SIDE RETURN FILTER RACK: RXGF-CD WARNING: IMPORTANT NOTICE BOTTOM RETURN FILTER RACK FOR A SOLID METAL BASE PLATE (SEE TABLE) MUST BE IN PLACE WHEN THE FURNACE IS INSTALLED WITH SIDE AIR RETURN DUCTS. FAILURE TO INSTALL A BASE PLATE COULD CAUSE UPFLOW APPLICATION: RXGF-CB PRODUCTS OF COMBUSTION TO BE CIRCULATED INTO THE LIVING SPACE AND CREATE FILTER RACK FILTER SIZES* INCHES [mm]... -
Page 10: Limited Warranty
Limited Warranty R801S (UF/HZ) Series GENERAL TERMS OF LIMITED WARRANTY* Rheem will furnish a replacement for any part of this product Conditional Parts* (Registration Required) ..Ten (10) Years which fails in normal use and service within the applicable Heat Exchanger ........Twenty (20) Years period stated, in accordance with the terms of the limited warranty. - Page 11 Notes R801S (UF/HZ) Series...
- Page 12 The new degree of comfort. ™ In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice. Rheem Heating, Cooling & Water Heating • P.O. Box 17010 Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1 Fort Smith, Arkansas 72917 •...
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