American Standard N-D-100-300 ASME Water Heater - 100 Gallon Commercial Gas 300,000 BTU - 4 Year Warranty

American Standard N-D-100-300 AS Water Heater - 100 Gallon Commercial Gas 300,000 BTU - 4 Year Warranty

American Standard N-D-100-270 ASME Water Heater - 100 Gal Commercial Gas 270,000 BTU ASME - 4 Year Warranty

American Standard N-D-80-512 ASME Water Heater - 80 Gallon Commercial Gas 512,000 BTU - 4 Year Warranty. CALIFORNIA and TEXAS need a different model, the ULN series

American Standard N-D-100-270 AS Water Heater - 100 Gal. Comm. Gas 270,000 BTU - 4 Year Warranty

American Standard N-D-100-250 AS Water Heater - 100 Gallon Commercial 250,000 BTU- 4 Year Warranty

American Standard N-D-80-199 AS Water Heater - 80 Gallon Commercial Gas 199,000 BTU - 4 Year Warranty

American Standard N-D-80-165 AS Water Heater - 80 Gallon Commercial Gas 165,000 BTU - 4 Year Warranty

American Standard N-D-80-125 AS Water Heater - 80 Gallon Commercial Gas 125,000 BTU - 4 Year Warranty

American Standard N-D-75-399 ASME Water Heater - 75 Gallon Commercial Gas 399,000 BTU - 4 Year Warranty

American Standard N-D-75-399 AS Water Heater - 75 Gallon Commercial Gas 399,000 BTU - 4 Year Warranty

American Standard N-D75-365 AS Water Heater - 75 Gal. Comm. Gas 365,000 BTU