Description
Reznor 266069 Thermistor — OEM Temperature Sensing Replacement Part
The Reznor 266069 Thermistor is a genuine OEM replacement temperature sensing component engineered specifically for Reznor heating equipment. Thermistors play a critical role in your heating system’s control circuit, continuously monitoring temperatures and feeding accurate readings to the control board to regulate burner operation, prevent overheating, and maintain consistent comfort levels. Replacing a failed or degraded thermistor with an authentic Reznor part ensures your unit performs to factory specifications and maintains the safety and efficiency standards your system was designed to deliver.
Key Features
- Genuine Reznor OEM replacement thermistor — SKU 266069
- Designed for direct, drop-in replacement in compatible Reznor heating units
- Provides accurate temperature sensing for precise burner and system control
- Helps protect equipment from overtemperature conditions
- Supports reliable, consistent heating system operation
- Manufactured to Reznor’s exacting quality and performance standards
Why Choose a Genuine Reznor OEM Part?
Using authentic OEM components like the Reznor 266069 Thermistor ensures proper fit, function, and compatibility with your existing control board and wiring harness. Aftermarket substitutes may not meet the original resistance curve or temperature response specifications, which can lead to inaccurate readings, nuisance shutdowns, or reduced equipment life. Trust the genuine part for a repair that lasts.
Application
- Compatible with select Reznor commercial and industrial heating units
- Ideal for HVAC technicians and service professionals performing scheduled maintenance or emergency repairs
- Consult your Reznor equipment documentation or service manual to confirm compatibility with your specific model







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