The Rinnai 16i 1000mm Flue Extension (60/100mm), model ARV-06, is a crucial component for enhancing the installation flexibility and efficiency of your Rinnai heating system. Specifically designed to extend the reach of your existing flue setup, this 1000mm extension is compatible with Rinnai 16i models, ensuring a seamless integration with your current system. Crafted from high-grade materials, the ARV-06 flue extension boasts a robust construction that can withstand the rigors of heating system exhaust. The dual diameter design, featuring a 60mm inner pipe and a 100mm outer pipe, provides optimal insulation and ensures the safe and efficient expulsion of exhaust gases, while also maintaining the intake of fresh air for combustion. Easy to install, the Rinnai 16i 1000mm Flue Extension snaps into place with minimal effort, making it an ideal choice for both new install