XTREME™ FROM RHEEM-RUUD WATER HEATERS
Businesses That Need
Hot Water in a Hurry
…go to the Xtreme!
Xtreme™ is the powerful line of heavy-duty,
high-input commercial gas water heaters
that produce 756 gallons per hour and
recovers in as little as 8 minutes.
It’s the perfect solution for restaurants,
laundromats and medium-sized hotels.
Xtreme solutions from Rheem-Ruud.
Restaurants
Laundries
Hotels
mercial water heaters
from Rheem-Ruud
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Rheem-Ruud Xtreme
MAXIMUM DELIVERY In U.S. Gallons and Liters. (Includes useable storage and recovery for indicated times.)
MODEL
TANK CAPACITY
GALLONS LITERS
INPUT BTU/HR.
NAT. & L.P.
TEMP.
RISE
5
10
15
20
30
45
60
120
180
Min. to Rec.
Contents
NUMBER
UNITS
Min.
Min. Min.
Min. Min. Min. Min. Min. Min.
GX90-550(A)
GX90-640(A)
GX90-715(A)
90
90
90
90
90
90
341
341
341
341
341
341
550,000 NAT
640,000 NAT
715,000 NAT
500,000 LP
600,000 LP
680,000 LP
100°F
37.7°C
100°F
37.7°C
100°F
37.7°C
100°F
37.7°C
100°F
37.7°C
100°F
37.7°C
GAL
LTR.
GAL.
LTR.
GAL.
LTR.
GAL.
LTR.
GAL.
LTR.
GAL.
LTR.
107
407
115
434
121
457
103
391
112
422
118
446
152
575
166
630
179
676
144
544
160
606
173
654
196
743
218
826
236
894
184
697
209
789
228
862
241
911
330
1248
373
1413
410
1551
305
1156
354
463
1752
529
2000
583
2207
427
1615
499
596
2257
684
2587
756
2863
548
2073
645
1130 1663
4276 6294
1304 1925
4936 7285
1450 2143
5487 8111
1033 1518
3909 5744
1227 1809
4643 6845
1382 2041
5230 7726
10
270
1022
294
1113
225
850
9
8
GX90-500(A)
L.P.
11
9
GX90-600(A)
L.P.
257
972
1340
393
1486
1890
558
2110
2441
722
2886
GX90-680(A)
L.P.
283
1070
8
RECOVERY CAPACITIES Recovery in U.S. Gallons/Hr. (GPH) and Liters/Hr. (LPH) at Various Temperature Rises.
MODEL
NUMBER
INPUT BTU/HR.
NATURAL & L.P.
THERMAL
EFFICIENCY
40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F 140°F
UNITS
22°C
28°C
33°C
39°C
45°C
50°C
56°C
61°C
67°C
72°C
78°C
GX90-550(A)
GX90-640(A)
GX90-715(A)
550,000 NAT
640,000 NAT
715,000 NAT
500,000 LP
600,000 LP
680,000 LP
80%
80%
80%
80%
80%
80%
GPH
LPH
GPH
LPH
GPH
LPH
GPH
LPH
GPH
LPH
GPH
LPH
1333 1067
889
3364
762
2884
887
3356
991
3749
693
2622
831
3146
942
3565
667
2523
776
2936
867
3280
606
2294
727
2753
824
3120
593
2243
690
2610
770
2916
539
2039
647
2447
733
2773
533
2019
621
2349
693
2624
485
1835
582
2202
659
2496
485
1835
564
2135
630
2386
441
1668
529
2002
599
2269
444
1682
517
1958
578
2187
404
1529
485
1835
550
2080
410
1553
477
1807
533
2019
373
1412
448
1694
507
1920
381
1442
443
1678
495
1875
346
1311
416
1573
471
1783
5047
4037
1551 1241 1034
5873
4698
3915
1733 1387 1156
6561
1212
4588
5249
970
3670
4374
808
3059
970
3670
GX90-500(A)
L.P.
GX90-600(A)
L.P.
GX90-680(A)
L.P.
1455 1164
5506
4404
1649 1319 1099
6240
4992
4160
Recovery ratings are based on thermal efficiencies obtained in a CSA certified laboratory. Recovery rate shown on the rating plate (80%) Thermal Efficiency in accordance with ANSI Z21.10.3
labeling requirements. (A) indicates available ASME model.
DIMENSIONAL INFORMATION All Dimensions Shown in English and Metric.
WATER CONNECTIONS
APPROXIMATE
SHIPPING WEIGHT
MODEL
FRONT
SIDE
REAR
SIDE
NUMBER
UNITS
inches
mm
A
74.5
1892
74.5
1892
74.5
1892
74.5
1892
74.5
1892
74.5
1892
B C D E F G
STD.
905
905
905
905
905
905
905
905
905
905
905
905
ASME
945
945
945
945
945
945
945
945
945
945
945
945
GX90-550(A)
GX90-640(A)
GX90-715(A)
68
1727
68
30
768
30
768
30
768
30
768
30
768
30
768
25
635
25
635
25
635
25
635
25
635
25
635
10
254
10
254
10
254
10
254
10
254
10
254
59
1509
59
1
25.4
1
2
51
2
2
51
2
inches
mm
1727
1509
25.4
51
51
inches
mm
68
1727
68
59
1509
59
1
25.4
1
2
2
51
2
51
2
GX90-500(A)
L.P.
GX90-600(A)
L.P.
GX90-680(A)
L.P.
inches
mm
1727
1509
25.4
51
51
inches
mm
68
1727
68
59
1509
59
1
25.4
1
2
2
51
2
51
2
inches
mm
1727
1509
25.4
51
51
All Models Require a 120V Power Source. (A) Suffix Indicates ASME Tank Construction Available.
C
E
CLEARANCES TO COMBUSTIBLES
When you
MODEL
NUMBER
GX90-550
UNITS
inches
mm
SIDE
4
REAR
4
TOP
12
can’t afford
to be without
hot water, go to
the Xtreme!
102
102
305
GX90-640
GX90-715
inches
mm
4
102
4
4
102
4
12
305
12
T&P
OUTLET
FRONT SIDE
inches
mm
F B A
INLET
FRONT SIDE
102
102
305
4
102
4
4
102
4
12
305
12
GX90-500
L.P.
GX90-600
L.P.
inches
mm
SYSTEM
SENTINEL
inches
mm
102
102
305
G
D
4
102
4
102
12
305
GX90-680
L.P.
inches
mm
Allow a minimum of 18" (457mm) front clearance for servicing.
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Rheem-Ruud Xtreme
LIMITED WARRANTY
This product features a three-year limited warranty against tank leaks.
Please refer to Commercial Warranty Information brochure for complete
warranty information.
CERTIFICATIONS AND RATINGS
EFFICIENCY
These models have been tested according to ANSI test procedures, and
exceed the thermal efficiency and standby loss requirements of current
ASHRAE Standards (Part of the Federally mandated Energy Policy Act).
Also exceeds energy efficiency codes in all states.
SAFETY AND CONSTRUCTION
These products are design certified by U.L.:
a) For operation at 180°F.
b) To meet all safety and construction requirements of ANSI Z21.10.3.
c) As an automatic storage or instantaneous water heater.
d) As an automatic circulating tank water heater.
e) For operation on combustible floors and in alcove installations.
CERTIFIED FOR A 150 PSI MAXIMUM WORKING PRESSURE
(160 PSI FOR ASME MODELS).
C
®
US LISTED
In keeping with its policy of continuous progress and product improvement,
Rheem-Ruud reserves the right to make changes without notice.
Commercial water heaters
from Rheem-Ruud
Rheem Water Heating • 101 Bell Road, Montgomery, AL 36117-4305
Rheem Canada Ltd./Ltée • Water Heater Division • 128 Barton Street West, Hamilton, Ontario L8N 3P3
Not all models are available in Canada.
Printed in U.S.A
05/07 WP
RR170 Rev. 3
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