AO Smith 100 Gallon - 390,000 BTU ASME Commercial Gas Water Heater

BTR-400A Water Heater Specifications Gallon Capacity - 100 Gallons Recovery Capacity GPH 100¬ Rise - 387 Vent Size (inches) - 8 Input BTU/HR - 390,000 Height to Vent (inches) - 75 1/2 Diameter (inches) - 30 1/4 ASME Construction Three year Limited Tank Warranty Codes and Standards Design-certified by UL, according to ANSZ21.10.3 - CSA 4.3 standards governing storage-type water heaters Meets ASHRAE/IESNA 90.1-1999 Design-certified by Underwriters Laboratories Sanitation to NSF Standard 5 for 180¬F water Optional ASME tank construction available