Xtreme Gas continued.

Other Features:

Insulation – sag and moisture proof fiberglass insulation surrounds the storage tank to minimize heat loss.

Anode rods – patented design utilizes multiple magnesium rods to ensure long life and corrosion resistance.

Temperature and pressure relief valve – AGA/ASME rated and factory installed.

Hand-hole cleanout – for removal of lime/ sediment deposits.

Manual reset high limit – all models are factory equipped with a manual reset high limit to meet the code requirements of many states.

Gas control system – fully adjustable thermostat from 100°F to 180°F, 24 volt combination gas valve includes main gas pressure regulation,

On-Off manual valve, 120/24 volt transformer, and high limit temperature cut-out.

Round premix burners – precision burners are formed from high chromium stainless steel.

Recommended Specifications (for trade reference only)

Water heater(s) shall be XTREME 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 90 gallons. Water

heater(s) shall have the U.L. seal of certification 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 current ASHRAE standards. 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 chromium stainless steel burners. Controls will be

arranged for safety shutoff in event of pilot failure. Water heater(s) shall have front and rear side inlet/outlet water connections. Water heater(s) shall be covered by a three year limited warranty against tank leaks.

Add “A” 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.

In keeping with its policy of continuous progress and product improvement, Rheem-Ruud reserves the right to make changes without notice.

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

P R I N T E D I N U. S . A

0 7 / 0 7 W P

FORM NO. RR102C - 15 Rev. 4

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Rheem GX90-640, GX90-550 manual Other Features, Recommended Specifications for trade reference only, Limited Warranty

GX90-550, GX90-640 specifications

The Rheem GX90-640 and GX90-550 are two of the most efficient gas furnaces on the market, designed to provide homeowners with reliable heating while maximizing energy efficiency. Both models incorporate advanced technologies that enhance their performance, making them suitable for various home sizes and heating demands.

The primary feature of the Rheem GX90 series is its high-efficiency rating. With AFUE (Annual Fuel Utilization Efficiency) ratings of up to 90%, these units are designed to convert a significant portion of the fuel they use into heat, ensuring that homeowners experience lower energy bills compared to standard furnaces. The GX90-640 can deliver up to 64,000 BTU of heating output, while the GX90-550 offers a robust output of 55,000 BTU, making both units adaptable to different heating requirements.

One of the standout technologies utilized in these models is the two-stage heating system. This feature allows the furnace to operate on a lower setting during milder conditions, providing energy savings and consistent comfort. During colder weather, it automatically shifts to high capacity, ensuring adequate warmth when needed. The modulating gas valve enhances this capability by adjusting the gas flow based on the heating demand, optimizing efficiency and comfort.

Both the GX90-640 and GX90-550 are equipped with a reliable hot surface ignitor and a multi-speed blower motor. The hot surface ignitor ensures a quick and dependable startup, while the multi-speed blower cycles air more quietly and uniformly throughout the home. This not only improves comfort but can also improve the overall indoor air quality.

Durability is another key characteristic of Rheem's GX90 series. These units feature robust construction with a compact design, making installation more flexible while ensuring long-lasting performance. The units also come with a corrosion-resistant cabinet, protecting them from the elements and extending their lifespan.

Easy maintenance is built into the design of the GX90-640 and GX90-550. Both models have accessible components, making inspections and repairs straightforward for technicians. Moreover, Rheem offers a comprehensive warranty, providing homeowners with peace of mind regarding their investment.

In conclusion, Rheem's GX90-640 and GX90-550 gas furnaces stand out for their efficiency, advanced technologies, and durability. They provide homeowners with a reliable heating solution that prioritizes comfort and cost-effectiveness, making them an ideal choice for modern heating needs.