The York S1-1NP0347 Natural to LP Conversion Kit is an essential component for converting your HVAC system from natural gas to liquid propane (LP) gas. This kit contains all of the components and instructions you'll need to securely and effectively convert your gas-burning equipment. It is designed for easy installation and assures that your furnace, boiler, or other gas appliances ca... https://www.partshnc.com/natural-to-lp-conversion-kit-13