Igniter Coil Kit (W/ Screw)

Rheem RTG20319S Igniter Coil – Direct Replacement for Reliable Burner Ignition

The Rheem RTG20319S Igniter Coil Kit is an OEM replacement part designed specifically for use in Rheem tankless gas water heaters. This component plays a critical role in initiating burner operation by producing the electrical arc needed to ignite the gas-air mixture. A properly functioning igniter coil ensures consistent system startup and prevents nuisance ignition failures.

This kit includes the ignition coil and the required mounting screw, providing everything necessary for replacement during scheduled maintenance or service calls. Manufactured to Rheem specifications, this part supports safe, efficient combustion startup in residential and light commercial units.

Function and Purpose

• Initiates burner ignition sequence through high-voltage discharge
• Supports reliable startup in a variety of environmental conditions
• Designed to operate with Rheem’s factory-installed ignition control systems

Technical Specifications

• Part Number: RTG20319S
• Component Type: Igniter coil with mounting screw
• System Application: Rheem tankless gas water heaters (consult model-specific documentation)
• Mounting: Secured using the included OEM screw at designated ignition port

Installation Notes

Installation should be completed by licensed service professionals familiar with tankless ignition systems. Prior to installation, verify that the unit is de-energized and free of gas pressure. After installation, test for proper ignition sequence and confirm no diagnostic codes are triggered. Always follow Rheem’s technical service bulletins and installation guidelines.

Professional Considerations

• ✔ Direct OEM Replacement – Ensures compatibility with ignition control and burner design
• ✔ Improves Startup Reliability – Reduces service callbacks caused by failed ignition
• ✔ Fast Installation – Preconfigured for quick changeout in service environments
• ✔ Supports Compliance – Maintains system integrity and manufacturer safety certification

Applications and Best Practices

This igniter coil is appropriate for service replacements in the field or during preventive maintenance cycles. It is advisable to inspect and clean surrounding burner and combustion chamber components when replacing the igniter to ensure optimal ignition conditions. Always match the part number to the unit’s model and serial number to verify compatibility.