Navien30008366A – Blue Wire Thermistor – Temperature Sensor for NPE and NCB Series

The Navien 30008366A Blue Wire Thermistor is a genuine OEM temperature sensor used in Navien NPE-A, NPE-S, and NCB series tankless water heaters and combination boilers. This thermistor plays a critical role in monitoring water temperature, ensuring the system operates safely, efficiently, and at optimal performance.

It is a direct replacement part designed to match the original specifications, providing reliable fit and function. With easy installation and durable construction, the sensor helps maintain consistent water temperature and energy efficiency throughout the unit’s lifespan.

Key Specs:

• Type: Thermistor (temperature sensor)
• Wire Color: Blue
• Dimensions: Approx. 6 x 6.28 x 4 inches
• Weight: 0.05 lbs
• Compatibility: NPE-A, NPE-S, and NCB series models

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