Rheem Xtreme Commercial Gas Water Heaters Series GX90-(A)
Rheem Xtreme Commercial Gas Water Heaters Series GX90-(A)
Rheem Xtreme High-Input, Fast Recovery Commercial Gas Water Heaters
The Rheem Xtreme series is a line of advanced, high-performance commercial gas water heaters designed for applications requiring fast recovery and high-volume hot water delivery. These 90-gallon capacity units are available in various models with inputs ranging from 500,000 to 715,000 Btu/h, capable of delivering up to 756 gallons per hour at a 100°F temperature rise.
Key Features:
- High Efficiency: All models boast 80% thermal efficiency, exceeding ASHRAE standards and energy efficiency codes.
- Fast Recovery: Delivers 533-693 gallons per hour at a 100°F rise, depending on the model.
- Space-Saving Design: Compact profile with small jacket diameter, ideal for retrofits and new constructions.
- Low NOx Emissions: Select models meet low NOx emissions of less than 40 ng/J.
- System Sentinel™ LED Diagnostic: Exclusive system verifies operation sequence with glowing LED lights.
- Durable Construction: Patented multi-flue design with proprietary steel formulation and dual-coat porcelain enamel for superior heat exchanger longevity.
- Versatile Installation: Available with front and rear inlet/outlet water connections.
- Advanced Ignition: Direct spark-to-pilot system for energy savings.
- Precision Burners: Five premix burners made of high-chromium stainless steel.
- Altitude Certified: Standard models certified up to 2,000 feet; high-altitude models up to 8,000 feet.
Models:
- GX90-550(A): 550,000 Btu/h (Natural Gas)
- GX90-640(A): 640,000 Btu/h (Natural Gas)
- GX90-715(A): 715,000 Btu/h (Natural Gas)
- GX90-500(A): 500,000 Btu/h (LP Gas)
- GX90-600(A): 600,000 Btu/h (LP Gas)
- GX90-680(A): 680,000 Btu/h (LP Gas)
*(A) indicates available ASME model
Rheem Xtreme Series Comparison Chart
|
Feature |
GX90-550 |
GX90-640 |
GX90-715 |
GX90-500 |
GX90-600 |
GX90-680 |
|
Tank Capacity |
90 gallons |
90 gallons |
90 gallons |
90 gallons |
90 gallons |
90 gallons |
|
Input (BTU/h) |
550,000 |
640,000 |
715,000 |
500,000 |
600,000 |
680,000 |
|
Fuel Type |
Natural Gas |
Natural Gas |
Natural Gas |
LP Gas |
LP Gas |
LP Gas |
|
Thermal Efficiency |
80% |
80% |
80% |
80% |
80% |
80% |
|
Recovery (GPH at 100°F rise) |
533 |
621 |
693 |
485 |
582 |
659 |
|
Max Temperature Setting |
180°F |
180°F |
180°F |
180°F |
180°F |
180°F |
|
Dimensions (H x W) |
68" x 30" |
68" x 30" |
68" x 30" |
68" x 30" |
68" x 30" |
68" x 30" |
|
Vent Size |
10" |
10" |
10" |
10" |
10" |
10" |
|
Shipping Weight (non-ASME) |
905 lbs |
905 lbs |
905 lbs |
905 lbs |
905 lbs |
905 lbs |
|
Shipping Weight (ASME) |
945 lbs |
945 lbs |
945 lbs |
945 lbs |
945 lbs |
945 lbs |
|
Warranty |
3-Year limited |
3-Year limited |
3-Year limited |
3-Year limited |
3-Year limited |
3-Year limited |
|
Max Working Pressure (non-ASME) |
150 PSI |
150 PSI |
150 PSI |
150 PSI |
150 PSI |
150 PSI |
|
Max Working Pressure (ASME) |
160 PSI |
160 PSI |
160 PSI |
160 PSI |
160 PSI |
160 PSI |
|
Low NOx Emissions |
Yes |
Yes |
No |
No |
No |
No |
Note: All models feature the System Sentinel™ LED diagnostic system, patented multi-flue design, low profile automatic flue damper, direct spark-to-pilot ignition, and full-port brass drain valve.
Warranty:
- 3-Year limited tank warranty, upgradable to 5 years
The Rheem Xtreme series is ideal for commercial applications requiring high-volume hot water delivery, such as hotels, restaurants, schools, and industrial facilities. Its combination of high efficiency, fast recovery, and compact design makes it a versatile choice for both new installations and upgrades to existing systems.
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