The Rinnai Extension Kit, part number FOT-114, is a vent extension component designed for Rinnai EX38CT direct vent wall furnaces, allowing extended vent runs without the inclusion of an elbow.
What’s included: Rinnai vent extension components for lengthening the direct vent system (no elbow included).
Installation limits: For use only with approved Rinnai EX38CT direct vent furnaces; installation must follow Rinnai venting guidelines, maximum vent length limits, and required clearances.
Compatibility: Compatible with Rinnai EX38CT direct vent wall furnace models.