Description
The Noritz BWCD097-B is an OEM cold water inlet thermistor designed as a direct replacement for compatible Noritz tankless water heaters. This precision temperature-sensing component monitors incoming cold water temperature, feeding critical data to the unit’s control board so it can accurately calculate the required heat output and maintain consistent hot water delivery at the set point.
Why Replace Your Cold Water Thermistor?
A failing or faulty cold water thermistor can cause a range of operational issues in your Noritz tankless water heater, including erratic water temperatures, error codes, or complete unit shutdown. Replacing it with the correct OEM part restores reliable, efficient performance and ensures the control system receives accurate inlet temperature readings.
Key Features
- OEM Noritz replacement part — ensures proper fit and function
- Monitors cold water inlet temperature for precise heat output control
- Supports accurate hot water delivery and energy efficiency
- Direct plug-in replacement for compatible Noritz tankless water heater models
- Helps resolve temperature-related error codes and performance issues
Application
- Designed for use with compatible Noritz tankless water heater systems
- Ideal for service technicians and HVAC/plumbing professionals performing warranty or out-of-warranty repairs
- Verify compatibility with your specific Noritz model before ordering
Installation Notes
Always refer to the Noritz service manual for your specific unit model before replacing the thermistor. Disconnect power and water supply before servicing. This part is intended for installation by qualified HVAC or plumbing technicians.
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