Removed old furnace, installed 75k btu Miller oil furnace. Re-connected existing line and low voltage electrical and to existing flue piping. Ran 2 new copper oil lines from furnace to oil tank , 1 supply and 1 return line. Added a fire-o-metic valve to each, insulted any piping exposed outside. Model-CMF2 80 PO CONV. Serial-CMG2101056880