Rinnai FOT‑153 C‑Vent Termination Kit (Fits 15  3/4" to 23  5/8" Wall Thickness) for Direct Vent Furnaces

The Rinnai FOT‑153 is a C‑Vent termination kit designed for direct vent wall furnaces. It accommodates exterior walls with thicknesses between 15 3/4" and 23 5/8", providing a clean, weatherproof flue termination solution for Rinnai models such as the 431 and 556.