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 AO SMITH BTH-400: 119 GALLON, 399,900 BTU, 4" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER (Back to product) Home » Commercial Water Heaters, Storage Tanks & Accessories » Natural Gas Water Heater » AO Smith BTH Water Heater Natural Gas See More Products Like this One (17 Items) × AO SMITH BTH-400 Product ID: 45319Free Standard Shipping on Water Heaters shipped within the Mainland Continental United States AO SMITH BTH-400: 119 GALLON, 399,900 BTU, 4" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER $9,437.51 Qty Is a truck with lift gate needed for delivery?: No lift gate Lift Gate Needed (+$100.00) Description Cyclone Mxi™ Modulating Commercial Gas Water Heaters 95% efficiency dramatically lowers operating costs Patented Dynamix Cyclonic Burner™ offers precise air/fuel mixing at point of ignition Exhaust and air intake positioned so heater can be installed in corners or flush against wall 4 handy venting options using inexpensive 3" or 4" PVC pipe Water Heater, Commercial, Tank 130 Gallon, Natural Gas Type, Input 399,900 BTU, High Efficiency Specs Installation Repair Parts Email Friend Ask a Question About this Product Return Policy | Shipping Policy « Previous | Next »