500,000 BTU WALL MOUNT COMMERCIAL STAINLESS STEEL HIGH EFFICIENCY MODULATING CONDENSING DIRECT VENT NATURAL GAS HOT WATER BOILER, 95.1% 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)