Flame Sensor Replacement for Rheem, 62-23543-01

Furnace Flame Sensor | Replaces Rheem® 62-23543-01

Restore safe and reliable heating performance with this brand-new flame sensor replacement, designed for select Rheem®, Ruud®, WeatherKing®, Thermal Zone®, and DuroGuard® gas furnaces. This OEM-style sensor detects flame presence during ignition and signals the control board to maintain burner operation—an essential safety component for modern furnaces.

Product Features:

• ✅ Replacement flame sensor for Rheem® and compatible brands
• Detects flame presence to prevent unburned gas accumulation
• 90° offset sensor tip with 1/4" male quick-connect terminal
• Durable ceramic insulator and stainless steel rod
• OEM-style fit for easy installation
• Condition: Brand New – Unused

Replaces Part Numbers:

62-23543-01
Direct replacement for listed part number. Please verify compatibility before purchase.

✅ Compatible Brands:

Rheem®, Ruud®, WeatherKing®, Thermal Zone®, DuroGuard®
Model-specific fitment varies—please consult your furnace manual or technician to confirm compatibility.

Common Fixes:

• ❌ Furnace not igniting or shutting off shortly after startup
• ⚠️ Error codes indicating flame detection failure
• Upgrade for restored ignition reliability and safe burner operation

️ Installation Tips:

• Disconnect power and gas supply before servicing
• Locate sensor near burner assembly and remove mounting screw
• Disconnect wire terminal and remove old sensor
• Install new sensor, reconnect wire, and test ignition cycle

⚠️ Compatibility Disclaimer:

This flame sensor is intended for use only with compatible furnace models and brands listed above. Buyer is responsible for verifying fitment before purchase. Installation should follow manufacturer safety guidelines. Seller is not liable for damage or injury resulting from improper installation or use.

Ignite safely. Heat reliably. Restore your furnace with a genuine-fit flame sensor replacement.