Rheem Classic®Series
Upflow/Horizontal Gas Furnace
FORM NO. G11-542 REV. 1
R801S- (Upflow/Horizontal) Series
80% A.F.U.E.†
Input Rates 50-150 kBTU
Air
Gas Furnaces
R801S (UF/HZ) Series
Annual Fuel Utilization Efficiency -
AFUE
THIS MODEL
97%78%
HIGH
MID
82% 88%
80.0%
✝A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with
Department of Energy test procedures.
• 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 codes for quick access to product information from your
smart phone or tablet
ENER UIDE
Air
Table of Contents
R801S (UF/HZ) Series
2
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
Air
Standard & Optional Equipment
R801S (UF/HZ) Series
3
WARNING
THIS FURNACE IS NOT APPROVED
OR RECOMMENDED
FOR USE IN MOBILE HOMES
DIRECT SPARK IGNITOR
IN-SHOT BURNERS
DRAFT INDUCER MOTOR
PATENTED HEAT EXCHANGER
INTEGRATED
FURNACE
CONTROL
STANDARD EQUIPMENT
Completely assembled and wired; induced draft; pressure switch;
redundant main gas control; blower compartment door safety switch;
solid state time on/time off blower control; limit control; manual shutoff valve, pressure regulator for natural and L.P. (propane) gas;
transformer; direct drive multi-speed blower motor. Furnaces are
equipped with cooling/heating relay and transformer (40VA) ready for
air conditioning applications. (Please note: a thermostat is not
included as standard equipment.) Flame sensor diagnostics.
OPTIONAL EQUIPMENT
Side and bottom filter frame assembly. Return air cabinet for all sizes.
NOTE: Furnace is not listed for use with fuels other than natural or L.P.
(propane) gas.
The complete terms of limited and other warranties are available at our
sales office, or through local installer.
All models can be converted by a qualified Rheem distributor or local
service dealer to use L.P. (propane) gas without changing burners.
Factory approved kits must be used to convert from natural to L.P.
(propane) gas and may be ordered as optional accessories from a
Rheem parts distributor.
For L.P. (propane) operation, refer to Conversion Kit Index Form.
NOTE: For natural and L.P. (propane) gas models, direct spark ignition
is 100% safety lockout type.
Air
Model Features/Physical Data & Specifications
R801S (UF/HZ) Series
4
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] 100,000 [29] 120,000 [32]
Heat Ext. Static Pressure [kPa] .10 [.025] .12 [.029] .15 [.037] .20 [.05] .20 [.05]
Blower (D x W) [mm]
11 x 6
[279 x 152]
11 x 7
[279 x 178]
11 x 10
[279 x 254]
11 x 10
[279 x 254]
11 x 10
[279 x 254]
Motor H.P.–Speed–
PSC Type [W]
1
/3-4-PSC
[248]
1
/2-4-PSC
[373]
1
/2-4-PSC
[373]
3
/4-4-PSC
[560]
3
/4-4-PSC
[560]
Motor Full Load Amps 5.7 7.8 7.5 8.4 9.3
Heating Speed Med-Low Med-High Med-Low Med-High Med-High
Cooling Speed High High High High High
Cooling CFM @ Rating Point
[L/s]
1250
[590]
1650
[780]
1800
[850]
1750
[825]
1900
[900]
Max. E.S.P. (In. W.C.) [kPa] 0.8 [.20] 0.8 [.20] 0.8 [.20] 0.8 [.20] 0.8 [.20]
Temperature Rise Range °F
[°C]
25-55
[13.9-30.6]
25-55
[13.9-30.6]
35-65
[19.4-36.1]
35-65
[19.4-36.1]
45-75
[25-41.7]
Max. Outlet Air Temp. °F
[°C]
155
[68.3]
155
[68.3]
180
[82.2]
165
[73.8]
190
[87.7]
Approx. Shipping Weight (Lbs.)
[kg]
85
[39]
105
[48]
115
[52]
140
[63]
150
[68]
AFUE ➀
80.0% 80.0% 80.0% 80.0% 80.0%
NOTES: All models are 115V, 60HZ, 1 Ph. Gas connection size for all models is 1/2" [12 mm] N.P.T.
➀ In accordance with D.O.E. test procedures.
➁ See Conversion Kit Index Form for high altitude derate.
* S = Standard, X = Low Nox
[ ] Designates Metric Conversions
•
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 codes for quick access to product information from your
smart phone or tablet
Model Features
Physical Data and Specifications
R 80 1 S A 075 4 17 M S A
Rheem 80 =
80% AFUE
1 = Single Stage S = PSC
Standard
Design Series
A = 1st Design
Input
BTU/HR [kW]
050 = 50,000 [15]
075 = 75,000 [22]
100 = 100,000 [29]
125 = 125,000 [37]
150 = 150,000 [44]
3 = Up to
3 Ton
4 = Up to
4 Ton
5 = Up to
5 Ton
Cabinet
Width
14 = 14".0
17 = 17.5"
21 = 21".0
24 = 24.5"
M = Multi X = Low NOx
S = Standard
Revision-
Marketing
(A – First Time
Release)
Air
Model Number Identification
R801S (UF/HZ) Series
5
Model Number Identification
[ ] Designates Metric Conversions
Air
Dimensional Data
R801S (UF/HZ) Series
6
Upflow Application
MODEL
R801S-
A B C D E F
REDUCED CLEARANCE (IN.) [mm]
SHIP
WGTS.
(LBS.) [kg]
LEFT
SIDE
RIGHT
SIDE
BACK TOP FRONT VENT
050 141/2 [356] 1227/32 [326] 105/8 [270]
➀
111/2 [292] 17/8 [48] 0
4 [102] ➁
0 1 [25] 3 [76]
6 [152] ➂
85 [38.6]
075 171/2 [445] 1611/32 [415] 123/8 [314]
➀
151/2 [381] 21/2 [64] 0
3 [76] ➁
0 1 [25] 3 [76]
6 [152] ➂
105 [47.6]
100 211/2 [533] 1927/32 [504] 141/8 [359]
➀
181/2 [470] 21/2 [64] 0 0 0 1 [25] 3 [76]
6 [152] ➂
120 [54.4]
125 241/2 [622] 2311/32 [593] 157/8 [403]
➀
221/2 [559] 21/2 [64] 0 0 0 1 [25] 3 [76]
6 [152] ➂
140 [63.5]
150 241/2 [622] 2311/32 [593] 157/8 [403]
➀
221/2 [559] 21/2 [64] 0 0 0 1 [25] 3 [76]
6 [152] ➂
150 [68] .
NOTES: ➀ May require a 3" [76 mm] to 4" [102 mm] or 3" [76 mm] to 5" [127 mm] adapter. 4" adapter included with (-)801P units.
➁ May be 0" [0 mm] with type B vent.
➂ May be 1" [25 mm] with type B vent.
Furnaces must be vented in accordance with the National Fuel Gas Code, ANSI Z223.1 and/or Can/CGA-B149 Installation Codes and in accordance with
local codes.
[ ] Designates Metric Conversions
Dimensional Data: Upflow Model
Air
Dimensional Data
R801S (UF/HZ) Series
7
MODEL
R801S-
A B C D E F
REDUCED CLEARANCE (IN.) [mm]
SHIP
WGTS.
(LBS.) [kg]
LEFT
SIDE
RIGHT
SIDE
BACK TOP FRONT VENT
050 141/2 [356] 1227/32 [326] 105/8 [270]
➀
111/2 [292] 17/8 [48] 0
4 [102] ➁
0 1 [25] 3 [76]
6 [152] ➂
85 [38.6]
075 171/2 [445] 1611/32 [415] 123/8 [314]
➀
151/2 [381] 21/2 [64] 0
3 [76] ➁
0 1 [25] 3 [76]
6 [152] ➂
105 [47.6]
100 211/2 [533] 1927/32 [504] 141/8 [359]
➀
181/2 [470] 21/2 [64] 0 0 0 1 [25] 3 [76]
6 [152] ➂
120 [54.4]
125 241/2 [622] 2311/32 [593] 157/8 [403]
➀
221/2 [559] 21/2 [64] 0 0 0 1 [25] 3 [76]
6 [152] ➂
140 [63.5]
150 241/2 [622] 2311/32 [593] 157/8 [403]
➀
221/2 [559] 21/2 [64] 0 0 0 1 [25] 3 [76]
6 [152] ➂
150 [68] .
NOTES: ➀ May require a 3" [76 mm] to 4" [102 mm] or 3" [76 mm] to 5" [127 mm] adapter. 4" adapter included with (-)801P units.
➁ May be 0" [0 mm] with type B vent.
➂ May be 1" [25 mm] with type B vent.
Furnaces must be vented in accordance with the National Fuel Gas Code, ANSI Z223.1 and/or Can/CGA-B149 Installation Codes and in accordance with
local codes.
[ ] Designates Metric Conversions
Dimensional Data: Horizontal Model
Horizontal Application
WARNING
THIS FURNACE IS NOT APPROVED
OR RECOMMENDED FOR INSTALLATION
ON ITS BACK, WITH ACCESS DOORS
FACING UPWARDS.
Air
Blower Performance Data
R801S (UF/HZ) Series
8
MODEL
MOTOR H.P. [W]
BLOWER SIZE
IN [mm]
SPEED
TAP
CFM [L/s] AIR DELIVERY
EXTERNAL STATIC PRESSURE INCHES WATER COLUMN [kPa]
0.1 [.02] 0.2 [.05] 0.3 [.07] 0.4 [.10] 0.5 [.12] 0.6 [.15] 0.7 [.17] 0.8 [.19]
(-)801SA050314M*A
1/3 [249]
11 x 6
[279 x 152]
Low
Med. Lo
Med. Hi
High
823
1030
1129
1361
803
1018
1132
1353
787
1006
1112
1331
732
976
1087
1297
718
929
1054
1264
691
897
1028
1232
651
850
971
1164
593
808
919
1117
(-)801SA075417M*A
1/2 [373]
11 x 7
[279 x 178]
Low
Med. Lo
Med. Hi
High
1229
1308
1553
1969
1200
1267
1542
1924
1181
1266
1516
1893
1155
1233
1491
1840
1120
1204
1451
1803
1078
1176
1417
1728
1013
1113
1358
1657
970
1062
1306
1570
(-)801SA100521M*A
1/2 [373]
11 x 10
[279 x 254]
Low
Med. Lo
Med. Hi
High
1209
1438
1902
2071
1182
1420
1883
2037
1131
1386
1844
2001
1112
1350
1817
1962
1051
1320
1753
1905
976
1293
1700
1856
929
1248
1636
1807
867
1186
1547
1709
(-)801SA125524M*A
3/4 [559]
11 x 10
[279 x 254]
Low
Med. Lo
Med. Hi
High
1358
1541
1799
2015
1354
1517
1774
1989
1331
1476
1746
1929
1301
1453
1712
1902
1250
1416
1691
1862
1224
1371
1629
1815
1154
1339
1554
1742
1089
1277
1495
1665
(-)801SA150524M*A
3/4 [559]
11 x 10
[279 x 254]
Low
Med. Lo
Med. Hi
High
1411
1606
1889
2178
1395
1579
1891
2160
1370
1569
1849
2105
1334
1537
1828
2067
1310
1499
1764
2024
1252
1468
1717
1976
1220
1407
1659
1916
1150
1346
1609
1832
Note: Bold data is factory heating tap.
[ ] Designates Metric Conversions
Blower Performance Data
Air
Accessories
R801S (UF/HZ) Series
9
FILTER RACK FILTER SIZES* INCHES [mm]
MODEL
RXGF-CB
(UPFLOW/
HORIZONTAL)
RXGF-CD
(UPFLOW)
SIDE RETURN
R801SA050
121/4 x 25
[311 x 635]
153/4 x 25
[400 x 635]
R801SA075
153/4 x 25
[400 x 635]
153/4 x 25
[400 x 635]
R801SA100
191/4 x 25
[489 x 635]
153/4 x 25
[400 x 635]
R801SA125
223/4 x 25
[578 x 635]
153/4 x 25
[400 x 635]
R801SA150
223/4 x 25
[578 x 635]
153/4 x 25
[400 x 635]
WARNING: IMPORTANT NOTICE
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
PRODUCTS OF COMBUSTION TO BE CIRCULATED INTO THE LIVING SPACE AND CREATE
POTENTIALLY HAZARDOUS CONDITIONS.
FURNACE BASE
WIDTH
SOLID BOTTOM BASE
PLATE SIZE
IN. [mm]
KIT NO. PLATE NO.
IN. [mm]
14
1
/2 [356] RXGB-D14 AE-61874-01 115/8 x 239/16 [295 x 598]
17
1
/2 [445] RXGB-D17 AE-61874-02 151/8 x 239/16 [384 x 598]
21
1
/2 [533] RXGB-D21 AE-61874-03 185/8 x 239/16 [473 x 598]
24
1
/2 [622] RXGB-D24 AE-61874-04 255/8 x 239/16 [651 x 598]
FOR HIGH ALTITUDES:
OPTION CODE FOR HIGH ALTITUDE: U.S. & Canada
None required for high altitudes.
HIGH ALTITUDE CONVERSION KITS: U.S. & Canada
None required for high altitudes.
80+ HIGH ALTITUDE INSTRUCTIONS
CAUTION: Always follow National Fuel Gas Code (NFGC) guidelines
when converting for high altitudes.
High altitude option codes are not required for these models.
However, the burner orifice size needs to be recalculated and verified
at elevations above 2000 ft. See Installation Instructions for more
information.
NOTE: For Canadian installations only, an optional derate (manifold
gas pressure reduction) method may be used to adjust the
furnace for altitude. See Installation Instructions for more
information. This optional method may NOT be used for U.S.
installations.
[ ] Designates Metric Conversions
SIDE RETURN FILTER RACK: RXGF-CD
BOTTOM RETURN FILTER RACK FOR
UPFLOW APPLICATION: RXGF-CB
4" FLUE ADAPTER: RXGW-C01
INDOOR COIL CASINGS
MODEL
NUMBER
RXBC-D14AI
RXBC-D17AI
RXBC-D21AI
RXBC-D21BI
RXBC-D24AI
Air
Limited Warranty
R801S (UF/HZ) Series
10
GENERAL TERMS OF LIMITED WARRANTY*
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.
*For complete details of the Limited and Conditional Warranties,
including applicable terms and conditions, contact your local contractor
or the Manufacturer for a copy of the product warranty certificate.
Conditional Parts* (Registration Required) ......Ten (10) Years
Heat Exchanger ......................................Twenty (20) Years
Air
Notes
R801S (UF/HZ) Series
11
The new degree of comfort.
™
Rheem Heating, Cooling & Water Heating • P.O. Box 17010
Fort Smith, Arkansas 72917 • www.rheem.com
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
PRINTED IN U.S.A. 9/14 QG FORM NO. G11-542 REV. 1
Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1
Brampton, Ontario • L6Y 0P5
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