Natural Gas to Propane Conversion Kit,For Use with Furnace Models: N9MP1 "C" 40,60,80, N9MP2 "C" 80, N9MPD "A" 40,60,80, 9MPD"C"80, 9UHX "A" 60,80,100, 9MPX "A" 60,80,100, Includes; 55 Burner Orifices, Honeywell Conversion Kit, Low Pressure Switch, Fitting Assembly, Wire Assembly, Labels, Instructions, Total Weight: 1Lb 1oz, In Box, Origin:USA