Rheem SP20307 – OEM Piezo Ignition Assembly for Natural Gas Water Heaters
The Rheem SP20307 is a factory-authorized piezo igniter designed for select Rheem and Ruud atmospheric vent gas water heaters. This push-button ignition assembly enables manual spark generation to light the pilot burner without the need for an external power source. Ideal for service scenarios involving ignition system failure, this part restores reliable pilot flame functionality in approved models.
Application Overview
For use with Rheem and Ruud gas-fired residential water heaters with piezo ignition systems
Supports sealed burner assemblies in FVIR-rated heaters
Intended as a direct OEM replacement for standard pilot lighting systems
Component Features
OEM Grade: Rheem-certified for precise fit and function within compatible models
Mechanical Spark: Generates consistent manual ignition spark to pilot assembly via internal striker mechanism
Push-Button Actuation: Self-contained spark generation, no battery or electrical connection required
Corrosion-Resistant Housing: Constructed for performance in high-humidity environments
Technical Details
Part Number: SP20307
Type: Piezoelectric Igniter Assembly
Fuel Source: Natural Gas
Compatibility: Rheem and Ruud residential gas water heaters (refer to model-specific documentation)
Replacement Requirement: For use when ignition failure occurs or original component is damaged or non-functional
Installation Guidance
This igniter assembly is designed for direct retrofit into compatible models and connects to the pilot burner through the designated mounting aperture. Proper electrode positioning and secure bracket fastening are essential for reliable operation. Professional installation is advised to ensure code compliance and to confirm spark path alignment for proper ignition.
Contractor-Focused Advantages
Field-Ready Replacement: No additional adapters or modifications required
Reliable Ignition Restoration: Simplifies troubleshooting and system recovery for gas-fired units
Tool-Free Activation: Built-in plunger system eliminates the need for electrical testing tools during lighting