
Rheem-ruud 3G-OTH-450310 — Technical Specifications
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.
Technical Specifications
| Parameter | Value |
|---|---|
| Ht | 74.5 in |
| BTU | 550,000 |
| Type | Low NOx, 90 gal |
| Brand | RHEEM-RUUD |
| 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 |
| Manufacturer Part Number | GX90-550A |
| Water Connection Location | Side |
| Maximum Recovery Flow Rate | 596 gph @ 40°F |
