Description
The Rinnai 204000012 is an OEM replacement Flame Rod and Gasket Kit designed to restore accurate flame detection and maintain safe, efficient operation in compatible Rinnai appliances. Replacing a worn or failed flame rod and gasket is a critical step in ensuring your burner system properly senses ignition and prevents unsafe operating conditions.
Product Overview
This kit includes the flame rod sensing element and the corresponding gasket, providing everything needed for a complete, leak-free replacement. Designed to Rinnai’s original engineering specifications, this kit ensures a precise fit and reliable performance in supported models.
Key Features
- OEM Rinnai replacement kit for flame rod and gasket
- Ensures accurate flame sensing for safe burner operation
- Includes both the flame rod and sealing gasket for a complete repair
- Engineered to Rinnai factory specifications for proper fit and function
- Helps prevent nuisance lockouts caused by a degraded or failed flame sensor
- Supports proper combustion safety and system reliability
Applications
- Compatible with select Rinnai tankless water heaters and heating appliances
- Ideal for service technicians performing routine maintenance or fault repairs
- Recommended replacement when flame sensing errors or ignition lockout codes are present
Why Replace Your Flame Rod and Gasket?
Over time, flame rods can accumulate oxidation or carbon deposits that impair their ability to detect a flame signal, leading to ignition failures or safety shutdowns. A deteriorated gasket can also cause gas or combustion gas leaks at the burner assembly. Replacing both components together restores proper function and ensures a safe, sealed installation.







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