Navien OTS-01 Outdoor Temperature Sensor & Wire 30012950A
Navien NHB and NCB System Outdoor Temperature Sensor & Wire
This outdoor temperature sensor plus wire functions as an outdoor reset for the NCB and NHB series units. The unit is water resistant, but should only be installed in areas where the sensor is protected from direct drenching from rain, such as under an eave.
You can use a longer wire with 18 gauge wiring (thermostat wiring) with no splices, except at the unit harness connection with the yellow leader wire.
All NHB series boilers: NHB-55, NHB-80, NHB-110, NBH-150 and NCB
The outdoor sensor and wire is designed to allow outdoor reset functionality on the NCB and NHB series units.
Installation instructions are found on page 80 of the NCB-series Installation Manual.
Old SKU: NASS9EXOTS01. Replaces SKU 30000669A (UPC 884954080055)
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