OEM short-tip temperature sensor (#6600‑166) with curled-finger connector, designed for jacuzzi and sundance spas. Stainless steel sensor housing with 12-foot lead wire ensures accurate temperature readings. Compatible with a wide range of models: J‑200, J‑300, J‑310–340, J‑365–385, Solo, 701, 724, 680, 780/850E, Sweetwater, Portofino, Del Sol, J‑LX/LXL, and more. Designed to replace older sensors such as 6600‑070 and 6000‑021, with enduring OEM reliability. Rugged build stands up to typical spa conditions—no returns accepted due to electronic part regulations.

OEM temperature sensor designed for Jacuzzi® and Sundance® spa systems using a box-end connector. Includes a 12-foot cable, allowing flexible routing to the control board without extensions or splicing. Stainless-steel sensor head delivers precise water temperature readings and reliable performance. Compatible with Jacuzzi® J‑300 and J‑400 Series spas (2002–2006) and Sundance® 880 Series (2005+) systems. Also fits older Sundance models from 1992 onward and replaces legacy sensors including 6600‑105, 6600‑134, and 6600‑138. Installs into the filter reservoir; requires O‑ring part #6540‑228 (sold separately). Plug-and-play installation using the factory-style box-end connector—no wiring skills needed. Ensures accurate temperature control and communication with spa controls and safety systems.

This OEM Sundance / Jacuzzi Temperature Sensor (#6600‑751) features a sturdy 12‑foot cable with a 3‑pin connector, allowing flexible placement for optimal water temperature monitoring. It includes a precision stainless steel bullet sensor housed in threaded plastic, designed to provide reliable temperature readings under diverse operating conditions in both hot and heated spa equipment. Compatible with a wide range of models—from 2015+ J‑500, J‑400, 2016+ J‑300, 2018+ J‑200/J‑100 Series, to popular Sundance 680/780/880/980 tubs—offering OEM performance across models. Comes pre-wired with a 3‑pin connector that snaps directly into the control pack—no splicing required—ensuring a simple install in under 10 minutes (O‑ring #6540‑228 sold separately). Backed by 150+ positive user reviews, this sensor solves common ‘temperature error’ codes and restores proper heater function, making it a highly rated, reliable replacement with consistent accuracy.

OEM extended-tip temperature sensor with a 3-pin connector and 2-wire design, used in modern Sundance®/Jacuzzi® spa control systems. Introduced February 9, 2022, as the replacement for recalled part #6600‑533. Precision-engineered to provide accurate water temperature readings for proper spa operation. Designed for use in 680, 780, 880, and 980 Series Sundance spas built after Feb 2022—as well as select J-200 to J-500 Jacuzzi models from April 2015+. Does not include O-ring (part #6540‑228) — O-ring must be purchased separately. Essential component for maintaining correct water temperature control and safe spa performance.