Jacuzzi® Temperature Sensor – 12′ Cable w/ Box-End Connector – Replaces 6600‑105/134/138 – Part #6600‑167

Q: Which spa systems is this sensor used in?

A: It fits Jacuzzi® J‑300 and J‑400 Series spas (2002–2006), Sundance® 880 Series (2005+), and older Sundance models dating back to 1992.

Q: What parts does it replace?

A: It replaces earlier sensors 6600‑105, 6600‑134, 6600‑138, and is also compatible with 6600‑182.

Q: Does it include the O‑ring?

A: No, the required O‑ring (#6540‑228) must be purchased separately.

Q: How do I install it?

A: Turn off spa power, remove the old sensor from the filter reservoir, seat the new one with the correct O‑ring, and plug the connector into the control board.

Q: Is the connector waterproof?

A: Yes, the box-end connector is sealed for outdoor spa environments and is designed to resist corrosion and water intrusion.

Turn off spa power.

Disconnect the old sensor via its box-end connector.

Remove it from the filter reservoir.

Install sensor head into the reservoir using O‑ring #6540‑228 (sold separately).

Connect cable to control board, restore power, and test temperature response.