The Rheem Vertical Vent Kit is designed for 3-inch and 5-inch venting applications, providing a reliable solution for gas water heaters. This kit includes all necessary components for efficient vertical venting, ensuring proper exhaust of combustion gases. Made from durable materials, it meets industry standards for safety and performance. The kit is compatible with various Rheem models, making it a versatile choice for both new installations and replacements. Its easy-to-install design simplifies the setup process, ensuring optimal airflow and efficiency in your heating system.