This Lochinvar Conversion Kit is designed to convert Liquefied Petroleum (LP) gas water heaters to Natural Gas (NG). The kit includes all necessary components such as orifices, a spring for the gas valve, and labels for proper identification post-conversion. It is compatible with select models of Lochinvar water heaters. The conversion from LP to NG can result in increased energy efficiency and cost savings, depending on local gas prices. Please note that this conversion should be performed by a qualified professional to ensure safety and compliance with local codes and regulations.