Electric Water Heaters | Gas Water Heaters | Propane Water Heaters | Tankless Water Heaters We're really sorry... ...we don't currently have that one in stock Please add your email and we'll notify you when it's back Top Section Deleted » Rheem GX X-Treme High Input, Natural Gas Free Standard Shipping on Water Heaters shipped within the Mainland Continental United States RHEEM GX90-550: 90-GALLON, 550,000 BTU, HIGH INPUT, NATURAL GAS, LO NOX WATER HEATER, 10inch VENT[More] RHEEM GX90-550: 90-GALLON, 550,000 BTU, HIGH INPUT, NATURAL GAS, LO NOX WATER HEATER, 10inch VENT... [Less] DetailsProduct ID: 21590 Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) List Price: $15,720.00Price: $10,497.83 $10,497.83 Buy RHEEM GX90-550A: 90-GALLON, 550,000 BTU, ASME, NATURAL GAS, LO NOX, WATER HEATER WITH 10inch VENT[More] RHEEM GX90-550A: 90-GALLON, 550,000 BTU, ASME, NATURAL GAS, LO NOX, WATER HEATER WITH 10inch VENT... [Less] DetailsProduct ID: 21597 Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) List Price: $17,482.00Price: $11,674.49 $11,674.49 Buy RHEEM GX90-640: 90-GALLON, 640,000 BTU, HIGH INPUT, NATURAL GAS, LO NOX WATER HEATER, 10inch VENT[More] RHEEM GX90-640: 90-GALLON, 640,000 BTU, HIGH INPUT, NATURAL GAS, LO NOX WATER HEATER, 10inch VENT... [Less] DetailsProduct ID: 24434 Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) List Price: $17,902.00Price: $11,954.97 $11,954.97 Buy RHEEM GX90-640A: 90-GALLON, 640,000 BTU, ASME, NATURAL GAS, LO NOX, WATER HEATER WITH 10inch VENT[More] RHEEM GX90-640A: 90-GALLON, 640,000 BTU, ASME, NATURAL GAS, LO NOX, WATER HEATER WITH 10inch VENT... [Less] DetailsProduct ID: 41980 Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) List Price: $18,351.00Price: $12,254.81 $12,254.81 Buy RHEEM GX90-715: 90-GALLON, 715,000 BTU, HIGH INPUT, NATURAL GAS WATER HEATER, 10inch VENT[More] RHEEM GX90-715: 90-GALLON, 715,000 BTU, HIGH INPUT, NATURAL GAS WATER HEATER, 10inch VENT... [Less] DetailsProduct ID: 42392 Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) List Price: $18,271.00Price: $12,201.38 $12,201.38 Buy RHEEM GX90-715A: 90-GALLON, 715,000 BTU, ASME, HIGH INPUT, NATURAL GAS WATER HEATER, 10inch VENT[More] RHEEM GX90-715A: 90-GALLON, 715,000 BTU, ASME, HIGH INPUT, NATURAL GAS WATER HEATER, 10inch VENT... [Less] DetailsProduct ID: 42393 Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) List Price: $18,999.00Price: $12,687.54 $12,687.54 Buy