Sundance® Spas Extended Tip Temperature Sensor – Replaces 6600‑533 (2022+) – part #6600‑551

Q: Which sensor does this replace?

A: It replaces the recalled part #6600‑533; introduced Feb 9, 2022.

Q: What spa models is this compatible with?

A: Compatible with Sundance 680, 780, 880, and 980 Series spas built after Feb 2022, and select Jacuzzi J-200, J-300, J-400, J-500 models from April 2015 onward.

Q: Does it include the O-ring?

A: No—O-ring (part #6540‑228) must be purchased separately.

Q: What connector does it use?

A: It features a 3‑pin plug and a 12-foot wire.

Turn off the spa power at the circuit breaker.

Locate and unplug the old sensor’s 3-pin connector.

Remove old sensor from its housing.

Install new sensor (without O-ring), securing it in place.

Reconnect 3-pin plug, restore power, and test temperature readings.