Rinnai 11i/17i/HD55i Vertical Flue Kit (AWF50-07) The Rinnai Vertical Flue Kit is the perfect solution for installations where your Rinnai 11i, 17i, or HD55i non-condensing gas water heater requires a vertical flue termination through the roof. Designed specifically for non-condensing models, this flue kit ensures safe and efficient exhaust ventilation while maintaining full compliance with manufacturer installation standards. The kit includes an 80/125mm concentric roof terminal (950mm) and a roof/attic pipe clamp, offering a complete, secure and weather-resistant setup for professional installations. Key Features & Benefits Designed for Vertical Termination: Ideal for through-roof flueing in non-condensing water heater installations. Compatible Models: