{"product_id":"xmk-6600-166-temperature-sensor-for-sundance-spas-and-jacuzzi-hot-tubs-curled-finger-connectors-6540-228-o-ring","title":"XMK 6600-166 Temperature Sensor for Sundance Spas and Jacuzzi Hot Tubs — Curled Finger Connectors + 6540-228 O‑Ring","description":"\u003cp\u003eMeet the XMK 6600-166 Temperature Sensor, a practical replacement designed for Sundance Spas and Jacuzzi hot tubs. If your display shows erratic temperature readings or watchdog-like messages, this sensor may help restore stable sensing without replacing the entire control board. The curled finger connectors and the included 6540-228 O-ring provide a streamlined seal for reliable operation across many models. Built to endure typical spa use, it aims to minimize downtime during maintenance and keep your water temperature tracking on track as seasons change.\u003c\/p\u003e\n\u003cp\u003eDesigned for broad compatibility, the 6600-166 covers a wide range of Sundance and Jacuzzi tubs from early-generation to more recent configurations. This means you can often salvage a failing sensor rather than upgrading the whole system, with fewer parts to juggle during maintenance. While not a guarantee, this replacement can be a practical option when the sensor is the root cause of temperature display quirks or control board misreads.\u003c\/p\u003e\n\u003ch2\u003eWhat you get and how it helps\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBroad model compatibility across Sundance and Jacuzzi spas, including many LX-10\/LX-15, 701 and 724 series variants\u003c\/li\u003e\n  \u003cli\u003eDurable curled finger connectors that align with common control boards, reducing wiring hassles during replacement\u003c\/li\u003e\n  \u003cli\u003e6540-228 O-ring included to help seal the sensor port and minimize leaks\u003c\/li\u003e\n  \u003cli\u003e12-foot sensor wire length for flexible routing from the sensor location to the control board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe sensor is designed to sit in the filter compartment, with a straightforward path back to the equipment area. The included gasket helps maintain a snug seal, which can contribute to a cleaner installation and steady readings over time. If you’re replacing an older sensor, the longer wire length can simplify routing around existing plumbing and wiring harnesses.\u003c\/p\u003e\n\u003ch2\u003eEasy installation tips\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLocate the sensor in the filter compartment, unscrew it from inside the tub, and feed the wire through to the equipment compartment\u003c\/li\u003e\n  \u003cli\u003eMatch the new sensor to the PC board connector and pull the wiring through; drain below the installation hole if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy consider this replacement\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSolves common temp display issues that can disrupt normal spa operation\u003c\/li\u003e\n  \u003cli\u003eOffers a cost-saving option compared with full control board replacement when the sensor is the root cause\u003c\/li\u003e\n  \u003cli\u003eIncludes hardware designed for durable, long-term use with a secure seal and reliable readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does this sensor replace and is it compatible with my Sundance or Jacuzzi spa?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 6600-166 replaces older curled finger sensors and fits many Sundance and Jacuzzi models; confirm your control board compatibility before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the package and how long is the wire?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes the 6600-166 temperature sensor and the 6540-228 O-ring; sensor wire length is 12 feet for flexible routing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"XMK","offers":[{"title":"Default Title","offer_id":45739928027322,"sku":"B0C4PFZFXJ","price":50.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/xmk-6600-166-temp-sensor-curled-connectors.jpg?v=1774753241","url":"https:\/\/gardencanada.ca\/products\/xmk-6600-166-temperature-sensor-for-sundance-spas-and-jacuzzi-hot-tubs-curled-finger-connectors-6540-228-o-ring","provider":"Garden Canada","version":"1.0","type":"link"}