OEM Caldera temperature sensor with 3/8" bulb. This sensor is normally found mounted into a sensor well and makes direct contact with the spa water. On the other end it plugs into the circuit board via the 4 pin, 2 wire JST plug.
Found in Caldera, Utopia, Paradise and Solana series spas from 2002-Current
| Sensor Application | Spa Control |
| Sensor Type | Temp |
| Application | Watkins / Caldera |
| Model | IQ |
| Connector Type | 4 pin |
| Sensor Diameter | 3/8" |
| Wire Count | 2 wire |
