500,000 Btu Wall Mnt Stnl Steel Hi Eff Mod Cond Dir Vent Gas Hot Water Boiler, 95% 120/60/1

500,000 BTU Wall Mount Commercial Stainless Steel High Efficiency Modulating Condensing Direct Vent Natural Gas Hot Water Boiler, Mounting: Wall Mount, Volts:120, Hertz:60, Phase:1, Efficiency:95.1, Ignition:Direct Spark, Flue Size:6", Max Operating Pressure:50 Psi, Max Water Temperature:250 Degrees F, Input Btu:500,000, Doe Heating Output Capacity:476,000, AHRI Net Rating Water MBH:
414,000, Water Connection:1-1/2"Npt In/1-1/2"Npt Out, Gas Connection Size: 1, Dims:33-1/4"H X 21"W X 21-1/4"D, Weight:187 Lbs, In Mfg Box, Made In Unknown.Propane Kit For VGH500: 817114000(40)(Not Included)