Rinnai 1000i, 1300i, 1600i & KCM Vertical Flue Kit – 80/125mm Roof Terminal for N-Series Condensing Water Heaters (AWFKM-07) Ensure safe and compliant vertical installation of your Rinnai N-Series (1000i, 1300i, 1600i) or KCM-Series condensing water heater with the Rinnai Vertical Flue Kit AWFKM-07. Designed for through-roof flueing, this kit includes a durable 80/125mm vertical roof terminal (950mm), providing a complete solution for effective ventilation of combustion gases. Perfect for indoor installations where vertical flueing is required, this flue kit helps maintain system efficiency, safety, and full manufacturer compliance. Manufactured to high-quality standards, it's the recommended flueing option for Rinnai's high-performance continuous flow water heaters.