Water Heater Pilot Assembly Replacement Kit - Natural Gas

Rheem SP20305B – OEM Natural Gas Pilot Assembly Kit for FVIR Residential Water Heaters

The Rheem SP20305B is an original equipment replacement kit designed for use with select Rheem and Ruud FVIR-compliant natural gas residential water heaters. This pilot assembly kit includes the pilot burner, thermocouple, tubing, and associated mounting hardware necessary for re-establishing safe ignition operation after service to the burner compartment. It is required when the burner access door has been opened or removed for diagnostics, inspection, or maintenance.

Primary Applications

• OEM replacement for factory-installed pilot assemblies in designated FVIR models
• Supports sealed combustion designs with flammable vapor mitigation
• Ensures proper flame sensing and ignition through integrated thermocouple

Technical Specifications

• Model Number: SP20305B
• Fuel Type: Natural Gas
• Includes: Pilot burner, thermocouple, pilot tubing, gasket materials, and mounting hardware
• Compatibility: Designed for Rheem, Ruud, and Richmond FVIR residential water heaters
• Function: Ignition and flame verification for the main burner

Installation Notes

Installation of the SP20305B requires disassembly of the sealed combustion chamber and reattachment of the burner door using new gaskets included in the kit. The pilot tube and thermocouple must be reconnected to the combination gas control valve. Ensure that all seals are properly installed and leak-checked in accordance with Rheem’s service documentation. Professional installation is recommended to maintain system certification and ensure compliance with safety codes.

Contractor Considerations

• Use only with compatible FVIR Rheem/Ruud/Richmond models as specified in product documentation
• Verify correct thermocouple millivolt output after installation
• Replace all gasket material to maintain sealed combustion integrity
• Perform full ignition cycle test after service completion

Features and Advantages

• OEM Certified: Factory-authorized replacement for Rheem FVIR systems
• Integrated Safety: Includes thermocouple for flame sensing and auto shutoff
• Durable Construction: Engineered to handle elevated combustion chamber temperatures
• Complete Kit: Contains all necessary components for pilot assembly service and reinstallation
• Time-Saving Design: Preassembled parts minimize installation time and troubleshooting