This Lochinvar conversion kit is designed to convert natural gas appliances to liquid propane (LP) fuel. The kit includes all necessary components such as orifices, a regulator, and instructions for installation. It is compatible with select models of Lochinvar water heaters and boilers. The purpose of this kit is to allow the appliance to burn LP instead of natural gas, which can be beneficial in areas where natural gas supply is limited or unavailable. Please note that installation should be performed by a qualified professional to ensure safety and proper function.