The RHEEM MFG COMPANY Orifice for the burner is a critical component for ensuring optimal combustion in your gas water heater. Designed for precise gas flow, this orifice enhances the efficiency of your heating system. Constructed from durable materials, it is built to withstand high temperatures and pressures, ensuring long-lasting performance. This orifice is compatible with various RHEEM models, making it an essential part of your water heater maintenance. Upgrade your burner assembly with this reliable orifice for improved heating efficiency.