Rheem GX90-640A 90 Gallon 640,000BTU Lo Nox Water Heater Universal Gas Commercial Water Heaters are specifically designed to minimize the difficulty of replacing failed water heaters and are versatile for new installations. These products are designed for applications requiring large quantities of hot water. Rheem GX90-640A 90 Gallon 640,000BTU Lo Nox Water Heater Features; • 90-GALLON • 640,000 BTU • ASME • 10 VENT • Small jacket diameters • Short floor-to-vent heights • Multiple water connections • System Sentinel LED diagnostic system • Patented multiflue design • Low profile automatic flue damper • Specialized burner assembly • Spark-to-pilot ignition system • Full port, full flow brass drain valve • Factory installed AGA/ASME rated Temperature and Pressure relief valve • Hand-hole cleanout • Round premix stainless steel burners • Manual reset high limit
More »Rheem GX90-640A 90 Gallon 640,000BTU Lo Nox Water Heater Universal Gas Commercial Water Heaters are specifically designed to minimize the difficulty of replacing failed water heaters and are versatile for new installations. These products are designed for applications requiring large quantities of hot water. Rheem GX90-640A 90 Gallon 640,000BTU Lo Nox Water Heater Features; • 90-GALLON • 640,000 BTU • ASME • 10 VENT • Small jacket diameters • Short floor-to-vent heights • Multiple water connections • System Sentinel LED diagnostic system • Patented multiflue design • Low profile automatic flue damper • Specialized burner assembly • Spark-to-pilot ignition system • Full port, full flow brass drain valve • Factory installed AGA/ASME rated Temperature and Pressure relief valve • Hand-hole cleanout • Round premix stainless steel burners • Manual reset high limit