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Recommended Specifications
(for trade reference only)
Water heater(s) shall be Induced Draft model
________________, manufactured by RHEEM-RUUD,
having gas input of __________ Btu/hr. and a recovery rate
of _____________ GPH at a 100°F temperature rise when
tested and certified at ____________ thermal efficiency.
Water heater(s) shall have a storage capacity of _________
gallons.Water heater(s) shall have the CSA seal of certifica-
tion and supplied with a factory installed AGA/ASME rated
temperature and pressure relief valve.Tank(s) shall be
furnished with a tube bundle having a double coating of high
temperature porcelain enamel and furnished with magnesium
anode rods rigidly supported.Water heater(s) shall meet or
exceed the thermal efficiency and standby loss requirements
of ASHRAE.Tanks shall have a working pressure rating of
150 psi, and shall be completely factory assembled, including
a pressure regulator properly adjusted for operation on
___________ gas with stainless steel burners. Controls will
be arranged for safety shutoff in event of pilot failure.Water
heater(s) with inputs less than 360,000 Btu/hr. shall have top, front and rear side inlet/outlet water connections.
Water heater(s) shall be covered by a three year limited warranty against tank leaks.
• Add for ASME construction –
Water heater(s) shall be constructed in accordance with the requirements of the
ASME Boiler and Pressure Vessel Code, Section IV Part HLW.
Limited Warranty
This product features a three year limited warranty against tank leaks. Please refer to
Commercial Warranty Information brochure for complete warranty information.
MODEL TANK CAPACITY INPUT BTU/HR. TEMP. 5 10 15 20 30 45 60 120 180 MIN. TO REC.
NUMBER GALS. LITERS NAT. & L.P. RISE UNITS Min. Min. Min. Min. Min. Min. Min. Min. Min. CONTENTS
GD100-250(A) 100 379 250,000 100°F GAL. 90 110 131 151 191 252 312 555 797 25
37.7°C LTR. 341 418 494 571 724 953 1183 2100 3018
GD100-270(A) 100 379 270,000 100°F GAL. 92 114 135 157 201 266 332 594 855 23
37.7°C LTR. 348 430 513 595 761 1008 1256 2247 3238
GD100-310(A) 100 379 310,000 100°F GAL. 95 120 145 170 220 295 371 671 972 20
37.7°C LTR. 360 455 549 644 834 1118 1403 2541 3679
GD100-360(A) 100 246 360,000 100°F GAL. 99 128 157 186 245 332 419 768 1117 17
37.7°C LTR. 375 485 596 706 927 1258 1588 2911 4234
MAXIMUM DELIVERY In U.S. Gallons and Liters. (Includes useable storage and recovery for indicated times.)
Induced Draft Gas continued.
MODEL INPUT BTU/HR. THERMAL 40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F 140°F
NUMBER NATURAL & L.P. EFFICIENCY UNITS
22°C 28°C 33°C 39°C 45°C 50°C 56°C 61°C 67°C 72°C 78°C
GD100-250(A) 250,000 80% GPH 606 485 404 346 303 269 242 220 202 186 173
LPH 2294 1835 1529 1311 1147 1020 918 834 765 706 655
GD100-270(A) 270,000 80% GPH 655 524 436 374 327 291 262 238 218 201 187
LPH 2478 1982 1652 1416 1239 1101 991 901 826 762 708
GD100-310(A) 310,000 80% GPH 752 601 501 429 376 334 301 273 251 231 215
LPH 2845 2276 1896 1626 1422 1264 1138 1034 948 875 813
GD100-360(A) 360,000 80% GPH 873 698 582 499 436 388 349 317 291 269 249
LPH 3304 2643 2202 1888 1652 1468 1321 1201 1101 1016 944
Recovery ratings are based on thermal efficiencies obtained in a CSA certified laboratory. Recovery rate shown on the rating plate (75%) thermal efficiency in accordance
with ANSI Z21.10.3 labeling requirements. (A) indicates available ASME model.
RECOVERY CAPACITIES
Recovery in U.S. Gallons/Hr. (GPH) and Liters/Hr. (LPH) at Various Temperature Rises.
WATER CONNECTIONS APPROXIMATE
MODEL TOP FRONT REAR
SHIPPING WEIGHT
NUMBER UNITS ABCDEFGHIN/OUT SIDE SIDE STD. ASME
GD100-250(A) inches 73-1/2 66-3/4 30-1/4 23-1/4 6 57-1/2 3/4 23 1-1/2 2 2 795 lbs. 835 lbs.
mm 1867 1696 768 591 152 1460 19 584 38 51 51 360 kgs. 378 kgs.
GD100-270(A) inches 73-1/2 66-3/4 30-1/4 23-1/4 6 57-1/2 3/4 23 1-1/2 2 2 795 lbs. 835 lbs.
mm 1867 1696 768 591 152 1460 19 584 38 51 51 360 kgs. 378 kgs.
GD100-310(A) inches 73-1/2 66-3/4 30-1/4 23-1/4 6 57-1/2 3/4 23 1-1/2 2 2 795 lbs. 835 lbs.
mm 1867 1696 768 591 152 1460 19 584 38 51 51 360 kgs. 378 kgs.
GD100-360(A) inches 73-1/2 66-3/4 30-1/4 23-1/4 6 57-1/2 3/4 23 1-1/2 2 2 795 lbs. 835 lbs.
mm 1867 1696 768 591 152 1460 19 584 38 51 51 360 kgs. 378 kgs.
All models require a 120V /3 amp power source.
(A) suffix indicates ASME tank construction available.
DIMENSIONAL INFORMATION All Dimensions Shown in English and Metric.
C
H
E
ABF
D
OUTLET
TOP
INLET
TOP
OUTLET
FRONT SIDE
OUTLET
REAR SIDE
SYSTEM
SENTINEL
T&P
INLET
FRONT SIDE
INLET
REAR SIDE
G
7"
(178mm)
1112
25 25 305
1112
25 25 305
1112
25 25 305
1112
25 25 305
GD100-250(A) inches
mm
GD100-270(A) inches
mm
GD100-310(A) inches
mm
GD100-360(A) inches
mm
CLEARANCES TO COMBUSTIBLES
MODEL
NUMBER UNITS SIDE REAR TOP
Allow a minimum of 18" (457mm) front clearance for servicing.
COMMERCIAL
WATER HEATERS
Rheem Water Heating • 101 Bell Road, Montgomery, Alabama 36117-4305 • www.rheem.com
Rheem Canada Ltd./Ltée,128 Barton Street West, Hamilton, Ontario L8N 3P3
PRINTED IN U.S.A. 11/06 WP FORM NO. RR102C-9
In keeping with its policy of continuous progress and product improvement, Rheem-Ruud reserves the right to make changes without notice.