Description
The Navien 30008571A Flow Sensor (T701-128R) is a genuine OEM replacement part for Navien NPE-A Series tankless water heaters. This sensor accurately detects water flow within the unit, ensuring proper operation, energy efficiency, and safety. If your system experiences error codes, inconsistent water temperatures, or fails to activate properly, replacing the flow sensor can restore normal function.
Key Features:
- Genuine Navien OEM flow sensor (T701-128R)
- Designed for NPE-A Series tankless models
- Monitors water flow for safe and efficient operation
- Helps prevent system shutdowns and performance issues
- Easy installation for maintenance or repair










