The Rinnai Water Heater Elbow 90 Degree, part number 224063, is a venting accessory designed for use with compatible non-condensing tankless water heaters to change the direction of a concentric vent run. It provides a 90-degree bend in the vent path while maintaining the concentric design that allows exhaust gases to exit through the inner pipe and combustion air to enter through the outer pipe. This elbow is engineered to match original venting components so it integrates smoothly into the certified vent system without modification when installed correctly.
This 90-degree elbow is typically used where a change in vent direction is required, such as routing the vent around obstructions or aligning with building penetrations. It supports zero clearance to combustibles when installed per manufacturer instructions and helps maintain safe ventilation performance by preserving secure connections and proper airflow. Installation must follow the water heater’s certified venting instructions to ensure correct clearances, sealing, and joint securement throughout the system.
What’s Included: One (1) Rinnai 90-degree vent pipe elbow (224063) for non-condensing tankless water heater venting.
Installation Limits: For use only with compatible non-condensing Rinnai tankless water heaters using a concentric vent system; install per manufacturer venting instructions and maintain required clearances to combustibles for safe operation.
Compatibility: Compatible with Rinnai non-condensing indoor tankless water heater models that use a 3″/5″ concentric venting system and require a 90° directional change in the vent run. :contentReference[oaicite:0]{index=0}
