$36.95
This temp sensor fits pre-2016 680 & 780 Sundance/Jacuzzi hot tubs that utilize the curled end connection. This is the most recent 2022 red version. If your hot tub is experiencing a watchdog error discussed here, this may be the fix. Temperature sensors are sent with a new o-ring included. A 1″ socket will fit the sensor body. p/n 6600-166