Ignitor Coil

Product Overview

The Rheem Ignitor Coil (Model RTG20235C, Part #1989200) is an OEM ignition component engineered for use in Rheem tankless gas water heater systems. This coil provides the high-voltage spark necessary to initiate combustion within the burner assembly, ensuring stable and consistent operation. Designed for compatibility with Rheem’s electronic ignition systems, the unit is manufactured to precise tolerances to maintain long-term reliability under continuous thermal cycling and service conditions.

Technical Specifications

• Manufacturer: Rheem Manufacturing Company
• Model / Part: RTG20235C / 1989200
• Component Type: Ignitor Coil (Ignition Module)
• Application: Rheem tankless gas water heaters (specific model compatibility per Rheem documentation)
• Function: Generates electrical spark for burner ignition sequence
• Operating Voltage: Low-voltage input to high-voltage output conversion (controlled by system PCB)
• Ignition Type: Electronic spark ignition
• Construction: High-dielectric insulation with durable coil windings and factory-molded connector assembly
• Connection Type: Plug-in harness interface for direct OEM installation
• Operating Conditions: Rated for appliance ambient temperature and humidity ranges per Rheem specifications
• Mounting: Direct mount to combustion chamber or designated ignitor housing
• Safety Features: Designed for controlled spark output to prevent overvoltage and component damage
• Compliance: OEM-approved component meeting applicable CSA/ANSI standards for gas-fired appliance ignition systems

Installation and Application Notes

The RTG20235C Ignitor Coil is intended for installation by qualified service personnel. Before servicing, disconnect power and isolate gas supply. The component should be installed following Rheem factory procedures to ensure proper alignment, electrical connection, and spark gap integrity. After installation, verify ignition performance through the system control sequence and confirm flame stability during operation. The ignitor coil should only be used with Rheem-approved compatible models and within the environmental conditions specified by the manufacturer.

Summary

The Rheem RTG20235C Ignitor Coil (Part #1989200) is a factory-certified ignition component designed to provide reliable spark generation for Rheem tankless gas water heaters. Built for precision and durability, it ensures consistent ignition performance and safe burner operation in professional water heating installations.