Rheem RTG20319BY – OEM Flame Rod and Igniter Rod Kit for Tankless Gas Units
RTG20319BY Flame and Igniter Assembly – Engineered for Reliable Ignition and Flame Verification
The Rheem RTG20319BY is a factory-authorized flame rod and igniter rod kit designed for use in specific Rheem tankless gas water heater models. This dual-component assembly provides both ignition and flame sensing functions within the burner chamber, enabling proper startup sequencing and ongoing combustion monitoring through the control system.
Use of this OEM kit ensures system compatibility, restores critical ignition function, and supports reliable flame rectification. Each component is manufactured to Rheem’s original engineering specifications, providing the durability and electrical performance required for high-efficiency combustion appliances.
Application Overview
Function: Ignites burner and verifies flame presence for control board input
System Role: Enables safe start-up and continuous burner operation monitoring
Installation Site: Mounted within the combustion chamber near the burner assembly
Included Components
1 × Flame sensor rod
1 × Igniter electrode
Technical Specifications
Part Number: RTG20319BY
System Compatibility: Rheem tankless gas water heaters (model-specific)
Igniter Type: Spark-style ceramic and metal electrode
Sensor Type: Flame rectification sensor for flame verification
Installation Notes
Installation requires disassembly of the burner access panel and routing of associated electrical leads to the control board. Proper ceramic insulator handling and correct electrode spacing are critical. This is a service-level component and should be installed by a licensed technician familiar with Rheem tankless combustion systems.
Always verify compatibility with the appliance model and control board revision before installation. Torque settings for mounting screws should follow manufacturer specs to avoid cracking of insulator material.
Key Use Cases
Failed ignition or intermittent burner startup
Error codes related to flame detection or ignition sequence failure
Routine combustion maintenance in high-usage systems
Additional Notes
Mounting hardware: Typically reuses original fasteners
Wiring connections: Factory terminal or Molex-style connectors
Service Life: Subject to routine inspection based on cycle frequency and air quality