Description
The Noritz BWCD090-B is an OEM magnetic flow sensor engineered for use with Noritz tankless water heaters. This precision component monitors water flow through the unit, sending accurate signals to the control system to initiate and regulate the heating cycle. Proper flow detection is critical to the safe and efficient operation of any tankless water heater — a faulty or failed flow sensor can prevent ignition, cause erratic heating, or trigger error codes that shut the unit down.
Key Features
- OEM Noritz replacement part — ensures proper fit and function
- Magnetic sensing technology for reliable, accurate flow detection
- Designed to work seamlessly with the Noritz water heater control board
- Triggers the heating cycle when adequate water flow is detected
- Helps prevent dry-fire conditions and protects system components
- Direct drop-in replacement to minimize downtime during service calls
Application
The BWCD090-B flow sensor is a genuine Noritz replacement part intended for qualified HVAC and plumbing technicians servicing Noritz tankless water heating systems. Always verify compatibility with the specific Noritz model before installation.
Why Choose OEM Parts?
Using genuine Noritz replacement components ensures your water heater operates within manufacturer specifications, maintains warranty coverage where applicable, and delivers the long-term reliability your customers expect.







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