Rheem Classic Series 80 Afue R801S Upflow Horizontal Specification Sheet

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Air

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%

MID
78%

82%

HIGH
88%

97%

✝ 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

FORM NO. G11-542 REV. 1

Air

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

2

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Standard & Optional Equipment
R801S (UF/HZ) Series

PATENTED HEAT EXCHANGER

DRAFT INDUCER MOTOR

IN-SHOT BURNERS

DIRECT SPARK IGNITOR

INTEGRATED
FURNACE
CONTROL

STANDARD EQUIPMENT

OPTIONAL 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.

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.

WARNING
THIS FURNACE IS NOT APPROVED
OR RECOMMENDED
FOR USE IN MOBILE HOMES
3

Air

Model Features/Physical Data & Specifications
R801S (UF/HZ) Series

Model Features
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

Physical Data and Specifications
MODEL NUMBERS R801S SERIES

R801SA050314M*A

R801SA075417M*A

R801SA100521M*A

R801SA125524M*A

R801SA150524M*A

Input-BTU/Hr [kW] ➁
Heating Capacity BTU/Hr [kW] ➀
Heat Ext. Static Pressure [kPa]

50,000 [15]
40,000 [12]
.10 [.025]

75,000 [22]
60,000 [18]
.12 [.029]

100,000 [29]
80,000 [23]
.15 [.037]

125,000 [37]
100,000 [29]
.20 [.05]

150,000 [44]
120,000 [32]
.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

1/2-4-PSC

1/2-4-PSC

3/4-4-PSC

3/4-4-PSC

[248]

[373]

[373]

[560]

[560]

Motor Full Load Amps
Heating Speed
Cooling Speed

5.7
Med-Low
High

7.8
Med-High
High

7.5
Med-Low
High

8.4
Med-High
High

9.3
Med-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]

155
[68.3]

155
[68.3]

180
[82.2]

165
[73.8]

190
[87.7]

85
[39]

105
[48]

115
[52]

140
[63]

150
[68]

80.0%

80.0%

80.0%

80.0%

80.0%

Max. Outlet Air Temp. °F
[°C]
Approx. Shipping Weight (Lbs.)
[kg]
AFUE ➀

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

4

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Model Number Identification
R801S (UF/HZ) Series

Model Number Identification
R

80

1

S

A

075

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]

4

3 = Up to
3 Ton
4 = Up to
4 Ton
5 = Up to
5 Ton

17

M

S

A

Cabinet
Width
14 = 14".0
17 = 17.5"
21 = 21".0
24 = 24.5"

M = Multi

X = Low NOx
S = Standard

RevisionMarketing
(A – First Time
Release)

[ ] Designates Metric Conversions

5

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Dimensional Data
R801S (UF/HZ) Series

Upflow Application

Dimensional Data: Upflow Model
MODEL
R801S-

A

B

C

D

E

F

LEFT
SIDE

050
075
100
125
150

141/2 [356]
171/2 [445]
211/2 [533]
241/2 [622]
241/2 [622]

1227/32 [326]
1611/32 [415]
1927/32 [504]
2311/32 [593]
2311/32 [593]

105/8 [270]
123/8 [314]
141/8 [359]
157/8 [403]
157/8 [403]

➀
➀
➀
➀
➀

111/2 [292]
151/2 [381]
181/2 [470]
221/2 [559]
221/2 [559]

17/8 [48]
21/2 [64]
21/2 [64]
21/2 [64]
21/2 [64]

0
0
0
0
0

REDUCED CLEARANCE (IN.) [mm]
RIGHT
BACK
TOP
FRONT
SIDE
4 [102] ➁
0
1 [25]
3 [76]
3 [76] ➁
0
1 [25]
3 [76]
0
0
0

0
0
0

1 [25]
1 [25]
1 [25]

3 [76]
3 [76]
3 [76]

VENT

SHIP
WGTS.
(LBS.) [kg]

6 [152] ➂
6 [152] ➂
6 [152] ➂
6 [152] ➂
6 [152] ➂

85 [38.6]
105 [47.6]
120 [54.4]
140 [63.5]
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

6

Air

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
MODEL
R801S-

A

B

C

D

E

F

LEFT
SIDE

050
075
100
125
150

141/2 [356]
171/2 [445]
211/2 [533]
241/2 [622]
241/2 [622]

1227/32 [326]
1611/32 [415]
1927/32 [504]
2311/32 [593]
2311/32 [593]

105/8 [270]
123/8 [314]
141/8 [359]
157/8 [403]
157/8 [403]

➀
➀
➀
➀
➀

111/2 [292]
151/2 [381]
181/2 [470]
221/2 [559]
221/2 [559]

17/8 [48]
21/2 [64]
21/2 [64]
21/2 [64]
21/2 [64]

0
0
0
0
0

REDUCED CLEARANCE (IN.) [mm]
RIGHT
BACK
TOP
FRONT
SIDE
4 [102] ➁
0
1 [25]
3 [76]
3 [76] ➁
0
1 [25]
3 [76]
0
0
0

0
0
0

1 [25]
1 [25]
1 [25]

3 [76]
3 [76]
3 [76]

VENT

SHIP
WGTS.
(LBS.) [kg]

6 [152] ➂
6 [152] ➂
6 [152] ➂
6 [152] ➂
6 [152] ➂

85 [38.6]
105 [47.6]
120 [54.4]
140 [63.5]
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

7

Air

Blower Performance Data
R801S (UF/HZ) Series

Blower Performance Data
MODEL

MOTOR H.P. [W]
BLOWER SIZE
IN [mm]

(-)801SA050314M*A

1/3 [249]
11 x 6
[279 x 152]

(-)801SA075417M*A

1/2 [373]
11 x 7
[279 x 178]

(-)801SA100521M*A

1/2 [373]
11 x 10
[279 x 254]

(-)801SA125524M*A

3/4 [559]
11 x 10
[279 x 254]

(-)801SA150524M*A

3/4 [559]
11 x 10
[279 x 254]

Note: Bold data is factory heating tap.
[ ] Designates Metric Conversions

8

CFM [L/s] AIR DELIVERY
EXTERNAL STATIC PRESSURE INCHES WATER COLUMN [kPa]

SPEED
TAP
Low
Med. Lo
Med. Hi
High
Low
Med. Lo
Med. Hi
High
Low
Med. Lo
Med. Hi
High
Low
Med. Lo
Med. Hi
High
Low
Med. Lo
Med. Hi
High

0.1 [.02]
823
1030
1129
1361
1229
1308
1553
1969
1209
1438
1902
2071
1358
1541
1799
2015
1411
1606
1889
2178

0.2 [.05]
803
1018
1132
1353
1200
1267
1542
1924
1182
1420
1883
2037
1354
1517
1774
1989
1395
1579
1891
2160

0.3 [.07]
787
1006
1112
1331
1181
1266
1516
1893
1131
1386
1844
2001
1331
1476
1746
1929
1370
1569
1849
2105

0.4 [.10]
732
976
1087
1297
1155
1233
1491
1840
1112
1350
1817
1962
1301
1453
1712
1902
1334
1537
1828
2067

0.5 [.12]
718
929
1054
1264
1120
1204
1451
1803
1051
1320
1753
1905
1250
1416
1691
1862
1310
1499
1764
2024

0.6 [.15]
691
897
1028
1232
1078
1176
1417
1728
976
1293
1700
1856
1224
1371
1629
1815
1252
1468
1717
1976

0.7 [.17]
651
850
971
1164
1013
1113
1358
1657
929
1248
1636
1807
1154
1339
1554
1742
1220
1407
1659
1916

0.8 [.19]
593
808
919
1117
970
1062
1306
1570
867
1186
1547
1709
1089
1277
1495
1665
1150
1346
1609
1832

Accessories
R801S (UF/HZ) Series

Air

SIDE RETURN FILTER RACK: RXGF-CD
BOTTOM RETURN FILTER RACK FOR
UPFLOW APPLICATION: RXGF-CB

WARNING: IMPORTANT NOTICE

FILTER RACK FILTER SIZES* INCHES [mm]

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.

MODEL

RXGF-CB
(UPFLOW/
HORIZONTAL)

RXGF-CD
(UPFLOW)
SIDE RETURN

FURNACE
WIDTH
IN. [mm]

SOLID BOTTOM
KIT NO.

BASE
PLATE NO.

BASE
PLATE SIZE
IN. [mm]

R801SA050

121/4 x 25
[311 x 635]

153/4 x 25
[400 x 635]
153/4 x 25
[400 x 635]

RXGB-D14
RXGB-D17
RXGB-D21
RXGB-D24

AE-61874-01
AE-61874-02
AE-61874-03
AE-61874-04

115/8 x 239/16 [295 x 598]
151/8 x 239/16 [384 x 598]
185/8 x 239/16 [473 x 598]
255/8 x 239/16 [651 x 598]

R801SA075

153/4 x 25
[400 x 635]

141/2 [356]
171/2 [445]
211/2 [533]
241/2 [622]

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]

4" FLUE ADAPTER: RXGW-C01

INDOOR COIL CASINGS
MODEL
NUMBER
RXBC-D14AI
RXBC-D17AI
RXBC-D21AI
RXBC-D21BI
RXBC-D24AI

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

9

Air

Limited Warranty
R801S (UF/HZ) Series

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.

10

Conditional Parts* (Registration Required) ......Ten (10) Years
Heat Exchanger ......................................Twenty (20) Years

Air

Notes
R801S (UF/HZ) Series

11

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
Fort Smith, Arkansas 72917 • www.rheem.com

Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1
Brampton, Ontario • L6Y 0P5

PRINTED IN U.S.A. 9/14 QG FORM NO. G11-542 REV. 1



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