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

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