WATER HEATER SALES
WATER HEATER SALES
1425 W 135th St.
Gardena, California 90249
Phone: 844.323.5959
Email: sales@waterheatersales.com
Website: www.waterheatersales.com
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Universal™ induced draft commercial gas water heaters are designed for easy installation in applications requiring large quantities of hot water.
Universal™ Induced Draft Commercial Gas Water Heaters
Unit of Measure
Items Universal™ Induced Draft Commercial Gas Water Heaters
GD100-360A
Universal™ Induced Draft Commercial Gas Water Heaters 		Universal™ Induced Draft Commercial Gas Water Heaters
GD100-250A
Universal™ Induced Draft Commercial Gas Water Heaters 		Universal™ Induced Draft Commercial Gas Water Heaters
GD100-270A
Universal™ Induced Draft Commercial Gas Water Heaters 		Universal™ Induced Draft Commercial Gas Water Heaters
GD100-310A
Universal™ Induced Draft Commercial Gas Water Heaters
Manufacturer N/A Rheem®
Maximum Working Pressure N/A 160 psi
Tank Capacity N/A 246 L100 U.S. gal N/A 379 L100 U.S. gal N/A 379 L100 U.S. gal N/A 379 L100 U.S. gal
Input Power N/A 360000 BTU/hr N/A 250000 BTU/hr N/A 270000 BTU/hr N/A 310000 BTU/hr
Thermal Efficiency N/A 80 %
Recovery at 40 ºF Temperature Rise N/A 873 U.S. gal/h N/A 606 U.S. gal/h N/A 655 U.S. gal/h N/A 752 U.S. gal/h
Recovery at 22 ºC Temperature Rise N/A 3304 L/h N/A 2294 L/h N/A 2478 L/h N/A 2845 L/h
Recovery at 50 ºF Temperature Rise N/A 698 U.S. gal/h N/A 485 U.S. gal/h N/A 524 U.S. gal/h N/A 601 U.S. gal/h
Recovery at 28 ºC Temperature Rise N/A 2643 L/h N/A 1835 L/h N/A 1982 L/h N/A 2276 L/h
Recovery at 60 ºF Temperature Rise N/A 582 U.S. gal/h N/A 404 U.S. gal/h N/A 436 U.S. gal/h N/A 501 U.S. gal/h
Recovery at 33 ºC Temperature Rise N/A 2202 L/h N/A 1529 L/h N/A 1652 L/h N/A 1896 L/h
Recovery at 70 ºF Temperature Rise N/A 499 U.S. gal/h N/A 346 U.S. gal/h N/A 374 U.S. gal/h N/A 429 U.S. gal/h
Recovery at 39 ºC Temperature Rise N/A 1888 L/h N/A 1311 L/h N/A 1416 L/h N/A 1626 L/h
Recovery at 80 ºF Temperature Rise N/A 436 U.S. gal/h N/A 303 U.S. gal/h N/A 327 U.S. gal/h N/A 376 U.S. gal/h
Recovery at 45 ºC Temperature Rise N/A 1652 L/h N/A 1147 L/h N/A 1239 L/h N/A 1422 L/h
Recovery at 90 ºF Temperature Rise N/A 388 U.S. gal/h N/A 269 U.S. gal/h N/A 291 U.S. gal/h N/A 334 U.S. gal/h
Recovery at 50 ºC Temperature Rise N/A 1468 L/h N/A 1020 L/h N/A 1101 L/h N/A 1264 L/h
Recovery at 100 ºF Temperature Rise N/A 349 U.S. gal/h N/A 242 U.S. gal/h N/A 262 U.S. gal/h N/A 301 U.S. gal/h
Recovery at 56 ºC Temperature Rise N/A 1321 L/h N/A 918 L/h N/A 991 L/h N/A 1138 L/h
Recovery at 110 ºF Temperature Rise N/A 317 U.S. gal/h N/A 220 U.S. gal/h N/A 238 U.S. gal/h N/A 273 U.S. gal/h
Recovery at 61 ºC Temperature Rise N/A 1201 L/h N/A 834 L/h N/A 901 L/h N/A 1034 L/h
Recovery at 120 ºF Temperature Rise N/A 291 U.S. gal/h N/A 202 U.S. gal/h N/A 218 U.S. gal/h N/A 251 U.S. gal/h
Recovery at 67 ºC Temperature Rise N/A 1101 L/h N/A 765 L/h N/A 826 L/h N/A 948 L/h
Recovery at 130 ºF Temperature Rise N/A 269 U.S. gal/h N/A 186 U.S. gal/h N/A 201 U.S. gal/h N/A 231 U.S. gal/h
Recovery at 72 ºC Temperature Rise N/A 1016 L/h N/A 706 L/h N/A 762 L/h N/A 875 L/h
Recovery at 140 ºF Temperature Rise N/A 249 U.S. gal/h N/A 173 U.S. gal/h N/A 187 U.S. gal/h N/A 215 U.S. gal/h
Recovery at 78 ºC Temperature Rise N/A 944 L/h N/A 655 L/h N/A 708 L/h N/A 813 L/h
Maximum Delivery at 100 ºF (5 Minutes) N/A 99 U.S. gal N/A 90 U.S. gal N/A 92 U.S. gal N/A 95 U.S. gal
Maximum Delivery at 37.7 ºC (5 Minutes) N/A 375 L N/A 341 L N/A 348 L N/A 360 L
Maximum Delivery at 100 ºF (10 Minutes) N/A 128 U.S. gal N/A 110 U.S. gal N/A 114 U.S. gal N/A 120 U.S. gal
Maximum Delivery at 37.7 ºC (10 Minutes) N/A 485 L N/A 418 L N/A 430 L N/A 455 L
Maximum Delivery at 100 ºF (15 Minutes) N/A 157 U.S. gal N/A 131 U.S. gal N/A 135 U.S. gal N/A 145 U.S. gal
Maximum Delivery at 37.7 ºC (15 Minutes) N/A 596 L N/A 494 L N/A 513 L N/A 549 L
Maximum Delivery at 100 ºF (20 Minutes) N/A 186 U.S. gal N/A 151 U.S. gal N/A 157 U.S. gal N/A 170 U.S. gal
Maximum Delivery at 37.7 ºC (20 Minutes) N/A 706 L N/A 571 L N/A 595 L N/A 644 L
Maximum Delivery at 100 ºF (30 Minutes) N/A 245 U.S. gal N/A 191 U.S. gal N/A 201 U.S. gal N/A 220 U.S. gal
Maximum Delivery at 37.7 ºC (30 Minutes) N/A 927 L N/A 724 L N/A 761 L N/A 834 L
Maximum Delivery at 100 ºF (45 Minutes) N/A 332 U.S. gal N/A 252 U.S. gal N/A 266 U.S. gal N/A 295 U.S. gal
Maximum Delivery at 37.7 ºC (45 Minutes) N/A 1258 L N/A 953 L N/A 1008 L N/A 1118 L
Maximum Delivery at 100 ºF (60 Minutes) N/A 419 U.S. gal N/A 312 U.S. gal N/A 332 U.S. gal N/A 371 U.S. gal
Maximum Delivery at 37.7 ºC (60 Minutes) N/A 1588 L N/A 1183 L N/A 1256 L N/A 1403 L
Maximum Delivery at 100 ºF (120 Minutes) N/A 768 U.S. gal N/A 555 U.S. gal N/A 594 U.S. gal N/A 671 U.S. gal
Maximum Delivery at 37.7 ºC (120 Minutes) N/A 2911 L N/A 2100 L N/A 2247 L N/A 2541 L
Maximum Delivery at 100 ºF (180 Minutes) N/A 1117 U.S. gal N/A 797 U.S. gal N/A 855 U.S. gal N/A 972 U.S. gal
Maximum Delivery at 37.7 ºC (180 Minutes) N/A 4234 L N/A 3018 L N/A 3238 L N/A 3679 L
Minimum to Recovery Contents N/A 17 N/A 25 N/A 23 N/A 20
Schematic N/A
Schematic Drawing for Universal™ Induced Draft Commercial Gas Water Heaters
Dimension A N/A 73-1/2 in1867 mm
Dimension B N/A 66-3/4 in1696 mm
Dimension C N/A 30-1/4 in768 mm
Dimension D N/A 23-1/4 in591 mm
Dimension E N/A 6 in152 mm
Dimension F N/A 57-1/2 in1460 mm
Dimension G N/A 3/4 in19 mm
Dimension H N/A 23 in584 mm
Top Inlet/Outlet Water Connection N/A 1-1/2 in38 mm
Front Side Water Connection N/A 2 in51 mm
Rear Side Water Connection N/A 2 in51 mm
Standard Approximate Shipping Weight N/A 795 lb360 kg
ASME Approximate Shipping Weight N/A 835 lb378 kg
Side Clearance to Combustibles N/A 1 in25 mm
Rear Clearance to Combustibles N/A 1 in25 mm
Top Clearance to Combustibles N/A 12 in305 mm
Voltage N/A 120 V
Current N/A 3 A
Features and Benefits N/A The tighter the commercial retrofit, the more you will appreciate how the Universal™'s compact size and multiple water connections simplify installations. Choose from 80% thermal efficiency models that range from 250000 to 360000 BTU/hr and have maximum temperature setting of 180 degrees Fahrenheit.

Space Saver Design
The short height and narrow jacket diameter, plus the top, front and rear water inlets/outlets offer the ultimate in installation flexibility.

System Sentinel™ LED Diagnostic System
Our exclusive diagnostic system, with glowing LED lights, verifies system operation sequence by sequence.

Patented Technology
Universal™'s proprietary steel formulation, patented multi-flue design, combined with two coats of porcelain enamel, results in a superior heat exchanger design.

Stainless Steel Burners
Precision burners, raised port design, are formed from high chromium stainless steel. Each burner assembly slides out like a drawer for quick inspection and maintenance.

Factory Installed Draft Inducer
Provides an induced draft allowing higher BTU's to be vented through a 6" vent.

Full-port, Full-flow Drain Valve
Factory installed brass drain valve allows for faster draining and servicing.

Direct Spark-to-Pilot Ignition System
Energy saving ignition that ignites pilot only when there is a call for heat.

Altitude Certifications
Up to 5200 feet for natural gas and 2000 feet for LP.

Patented Anode Rods
Anode design utilizes multiple magnesium rods to ensure corrosion resistance for a long tank life.
Warranty N/A
  • 3-Year Limited Tank Warranty.
General Information N/A Efficiency
All models tested according to ANSI test procedures, and meet or exceed the thermal efficiency and standby loss requirements of ASHRAE standard (EPact). Also exceeds energy efficiency codes of all states including California Energy Commission (CEC).

Safety and Construction
Design certified by CSA: For operation at 180 degrees; meets all safety and construction requirement of ANSI Z-21.10.3; as an automatic storage or instantaneous water heater; as an automatic circulating tank water heater; and for operation on combustible floors and in alcove installations. Certified for 150 psi maximum working pressure (160 psi for ASME models).

Optional Construction
ASME construction is available on designated models. UL Sanitation (NSF5) compliant models are available when equipped with optional seal kit (Part No. AM35450).
Type N/A Liquid Propane Gas Natural Gas
Size N/A C
Style N/A Universal™ Induced Draft
Industry Standards N/A AHRI Certified® ANSI Z-21.10.3 - CSA 4.3 ASHRAE Standards ASME Certified CSA® Certified UL® Listed
Note N/A 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.