Description
The Rinnai 104000192-K is an OEM replacement Flame Rod Electrode Kit designed specifically for Rinnai R75 and R94 series tankless water heaters. The flame rod electrode is a critical combustion safety component that continuously monitors the burner flame signal during operation. When the electrode detects a flame, it allows the unit to continue firing; if no flame is sensed, the control board shuts down the gas valve to prevent unsafe conditions. Replacing a worn or failed flame rod electrode restores accurate flame sensing, ensuring reliable ignition, consistent hot water delivery, and safe system operation.
As a genuine Rinnai OEM part, the 104000192-K is engineered to exact factory specifications for a precise fit and dependable performance in compatible R-series models.
Key Features
- OEM Rinnai replacement flame rod electrode kit
- Compatible with Rinnai R75 and R94 tankless water heater models
- Restores accurate flame sensing and combustion safety monitoring
- Engineered to factory specifications for direct, drop-in replacement
- Helps prevent nuisance shutdowns caused by a degraded or failed electrode
- Supports safe gas valve control during burner operation
Applications
- Rinnai R75 Series Tankless Water Heaters
- Rinnai R94 Series Tankless Water Heaters
Why Replace the Flame Rod Electrode?
Over time, flame rod electrodes can become coated with oxidation or carbon deposits, reducing their ability to conduct the microamp flame signal back to the control board. This can cause intermittent lockouts, no-heat calls, or error codes on the unit. Installing a fresh OEM electrode kit is a fast, cost-effective repair that restores full combustion sensing capability and gets the unit back to peak performance.
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