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-500-LP: 119 GALLON, 499,900 BTU, 95% THERMAL EFFICIENCY, 4" VENT, LP (LIQUID PROPANE) CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER (Back to product) Home » Commercial Water Heaters, Storage Tanks & Accessories » Propane Water Heater » AO Smith BTX Water Heater Propane See More Products Like this One (9 Items) × AO SMITH BTH-500-LP Product ID: 46836Free Standard Shipping on Water Heaters shipped within the Mainland Continental United States AO SMITH BTH-500-LP: 119 GALLON, 499,900 BTU, 95% THERMAL EFFICIENCY, 4" VENT, LP (LIQUID PROPANE) CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER $11,032.66 Qty Description Cyclone Mxi™ Modulating Commercial Gas Water Heaters 96% 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 Specs Installation Email Friend Ask a Question About this Product Return Policy | Shipping Policy « Previous | Next »