Description
The Noritz DUVD019-B is an OEM replacement water flow sensor with integrated thermistor, engineered specifically for Noritz tankless water heater systems. This dual-function component monitors both water flow rate and inlet water temperature, providing the control board with the critical data it needs to regulate burner operation and deliver consistent hot water on demand.
Key Features
- Genuine Noritz OEM replacement part — SKU DUVD019-B
- Integrated thermistor for simultaneous water temperature sensing
- Detects water flow to trigger and modulate burner ignition
- Designed for precise signal output to the unit’s control board
- Direct drop-in replacement for compatible Noritz tankless water heater models
- Helps maintain consistent hot water delivery and energy efficiency
Application
This sensor is a critical component in Noritz tankless water heaters. When water flow is detected, the sensor signals the control board to initiate the heating cycle. The built-in thermistor simultaneously measures incoming water temperature, allowing the unit to calculate the precise heat rise needed and adjust burner output accordingly. A faulty flow sensor can result in no hot water, inconsistent temperatures, or error codes on the unit’s display.
Why Choose OEM Parts?
- Ensures compatibility and proper signal calibration with Noritz control systems
- Maintains manufacturer warranty compliance
- Reduces risk of callbacks and repeat service calls
- Engineered to meet original performance specifications
Always verify compatibility with your specific Noritz model before installation. Consult the unit’s service manual or contact Noritz technical support for model fitment guidance.
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