The Rinnai ESDFK Direct Flue Kit is a must-have accessory for the Rinnai Energysaver Space Heater. This co-axial flue system ensures safe and efficient venting of combustion gases. The kit includes all the necessary components for installation, making it convenient and hassle-free. With its high-quality construction, the ESDFK is built to last, providing long-lasting performance and durability. The direct flue design allows for easy installation in various settings, making it suitable for both residential and commercial applications. This flue kit is designed to work seamlessly with the Rinnai Energysaver Space Heater, ensuring optimal performance and efficiency. It is important to follow the provided installation instructions to ensure proper installation and safe operation. With the Rinnai ESDFK Direct Flue Kit, you can enjoy the benefits of a reliable and efficient heating system while maintaining the highest standards of safety. Upgrade your Rinnai Energysaver Space Heater with this essential accessory and experience enhanced comfort and peace of mind.