CWA50C2762, Complete temperature sensor assembly (Panasonic Aquarea).
Panasonic labels these as “SENSOR COMPLETE”

•     A pair of NTC thermistors
•     Pre‑wired with the correct connector
•     Designed for flow/return water temperature sensing or refrigerant pipe sensing
•     Model‑specific cable length and connector type
This is not a universal sensor — it must match your exact Aquarea model.

This Sensor Is Used
CWA‑series sensors appear in:
•     Aquarea Bi‑Bloc H‑Generation (R410A)
•     Aquarea Bi‑Bloc J‑Generation (R32)
•     Aquarea T‑CAP Bi‑Bloc
•     Aquarea High Performance Bi‑Bloc

They are typically installed on:
•     Flow pipe
•     Return pipe
•     Refrigerant suction/discharge pipes
•     Outdoor coil sensor
The exact location depends on your model.

Aquarea model numbers:
•     Outdoor unit (starts with WH‑UX… or WH‑UD…)
•     Indoor unit (starts with WH‑SD… or WH‑AD…)
•     WH‑UX09HE5
•     WH‑SDC09H3E5