Description
The Rinnai 105000146 is a genuine OEM replacement flame rod engineered specifically for Rinnai RU80, RU98I, RU98E, KB, and KT series tankless water heaters. The flame rod serves as the burner’s flame-sensing element, continuously monitoring combustion to confirm a stable, safe flame is present during operation. When the flame rod degrades or fails, the unit’s control board cannot verify ignition, resulting in error codes, lockouts, or no-heat conditions. Replacing the flame rod with this factory-original part restores proper flame detection and returns the appliance to safe, efficient operation.
Key Features
- Genuine Rinnai OEM replacement part — ensures proper fit and function
- Designed for Rinnai RU80, RU98I, RU98E, KB, and KT series tankless water heaters
- Restores accurate flame sensing to prevent nuisance lockouts and error codes
- Factory-matched materials and geometry for reliable long-term performance
- Helps maintain safe combustion monitoring and system reliability
Compatible Models
- Rinnai RU80 Series
- Rinnai RU98I Series
- Rinnai RU98E Series
- Rinnai KB Series
- Rinnai KT Series
Application
This flame rod is ideal for HVAC technicians and plumbers servicing Rinnai tankless water heaters experiencing ignition faults, flame-sensing errors, or intermittent operation caused by a worn or contaminated flame rod. Using a genuine OEM component ensures compatibility with the unit’s control board and combustion system, reducing callbacks and ensuring a lasting repair.
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