Furnish and install hot water boiler package that includes boiler, gas trains and burner unit, complete with controls. Boiler to be fired on 3 different fuels. Primary fuel to be Bio gas, alternative fuels to be Natural and #2 fuel oil. Boiler shall be equipped with pressure gauge, dial thermometer, ASME approved relief valves, gas pressure regulators, pilot shut–off valve, control; panel, manual main shut off valves, transformer, and 100% shut-off for all gases.