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RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 90 gal, 550,000 BTU - Fast-Recovery Commercial Gas Water Heaters
RHEEM-RUUDFast-Recovery Commercial Gas Water Heaters

RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 90 gal, 550,000 BTU

The RHEEM-RUUD Commercial Gas Water Heater is a fast-recovery commercial gas water heater (SKU 3CFJ2, MPN GX90-550A) with a 90-gallon nominal tank capacity, 550,000 BTU, and a recovery rate of 533 gph @ 100°F…

SKU 3G-OTH-450310

Brand
RHEEM-RUUD
Item
Commercial Gas Water Heater: Natural Gas, Low NOx, 90 gal, 550,000 BTU
Category
Fast-Recovery Commercial Gas Water Heaters
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Technical Specifications

RHEEM-RUUD
Manufacturer Part Number
GX90-550A
Type
Low NOx, 90 gal
Ht
74.5 in
BTU
550,000
Market
Commercial
Low NOx
Yes
Fuel Type
Natural Gas
Standards
cULus Listed
Vent Type
Standard
Ignition Type
Direct Spark to Pilot
Included Valves
Temperature and Pressure Relief
Display Sell UOM
EA
Low NOx Compliant
Includes California Low NOx Compliant Burner
Operating Voltage
120V AC
Included Valve Type
Drain
Recovery Rate @ Rise
533 gph @ 100°F
Vent Connection Size
10 in
Nominal Tank Capacity
90 gal
Water Connection Location
Side
Maximum Recovery Flow Rate
596 gph @ 40°F
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RHEEM-RUUD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RHEEM-RUUD Commercial Gas Water Heater is a fast-recovery commercial gas water heater (SKU 3CFJ2, MPN GX90-550A) with a 90-gallon nominal tank capacity, 550,000 BTU, and a recovery rate of 533 gph @ 100°F (maximum 596 gph @ 40°F). It operates on natural gas with a direct spark to pilot ignition, is Low NOx compliant (includes California Low NOx Compliant Burner), and is cULus Listed. The unit features a standard vent type, 10-inch vent connection, side water connection, 120V AC operating voltage, and includes a temperature and pressure relief valve and drain valve.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the RHEEM-RUUD GX90-550A commercial gas water heater used for?

The RHEEM-RUUD GX90-550A is a fast-recovery commercial gas water heater designed for high-demand applications such as restaurants, hotels, and laundries. It provides 550,000 BTU with a 90-gallon tank and a recovery rate of 533 gph at 100°F, ensuring consistent hot water supply in commercial settings.

What are the specifications of the RHEEM-RUUD GX90-550A?

The RHEEM-RUUD GX90-550A has a 90-gallon nominal tank capacity, 550,000 BTU, and a recovery rate of 533 gph at 100°F. It operates on natural gas with direct spark to pilot ignition, is Low NOx compliant with a California Low NOx Compliant Burner, and is cULus Listed. Dimensions: 74.5 in height, 10 in vent connection, 120V AC.

Where to buy the RHEEM-RUUD GX90-550A commercial water heater worldwide?

3G Electric supplies the RHEEM-RUUD GX90-550A commercial gas water heater to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this cULus Listed, Low NOx compliant unit.

How to install the RHEEM-RUUD GX90-550A commercial gas water heater?

Installation of the RHEEM-RUUD GX90-550A requires a licensed professional. Ensure proper venting with the 10 in standard vent connection, natural gas supply, and 120V AC electrical connection. The unit includes a temperature and pressure relief valve and drain valve. Follow local codes and the manufacturer's manual for safe setup.

Used in

Common applications for RHEEM-RUUD
Hotel laundry facilities — Rheem-Ruud commercial gas water heaters (e.g., GNU76-200) for high-volume hot water supply
Restaurant kitchens — Rheem-Ruud point-of-use electric water heaters (e.g., EGSP20) for under-sink hot water
Industrial wash stations — Rheem-Ruud storage tanks (e.g., ST80) to buffer hot water demand
Office building break rooms — Rheem-Ruud compact electric water heaters (e.g., EGSP10 120V) for localized hot water
Commercial dishwashing — Rheem-Ruud gas water heaters (e.g., G82-156) for continuous hot water at 180°F sanitizing temperatures

RHEEM-RUUD Products

3G Electric supplies RHEEM-RUUD fast-recovery commercial gas water heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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