Sundance® / Jacuzzi® 680 Series Control Board – 1‑Pump Systems (2022+) Part #6600‑581

Part Number: 6600-581 Brand: Sundance® Spas / Jacuzzi® Hot Tubs PWA: BP100-G1 1-Pump 120V/240V 60 Hz ‘22 — Sundance® 680 Series PCB ⚠️ IMPORTANT DISCLAIMER – PLEASE READ BEFORE PURCHASING There are no refunds or returns on electronic spa parts. Please verify compatibility with your hot tub model before ordering. All electronic components are covered under the original manufacturer’s warranty. Overview Part 6600-581 is the OEM main system control board used in late 2022 and newer Sundance® 680 Series hot tubs equipped with a single jet pump. Built on Balboa's reliable BP-logic platform (specifically the BP100 series architecture), this modern circuit board replaces older entry-level architectures to offer streamlined performance, upgraded system memory, integrated safety configurations, and next-generation control pack diagnostic logic Compatible Spa Models & Years ✔ Sundance® 680™ Series (Late 2022+) Compatible 1-pump models include: Prado Alicia Note: These specific models utilize the Balboa BP100-style single-pump pack assembly under the updated parts registry ✖ NOT compatible with: Any 680 Series spa manufactured before late 2022 2-pump 680 models like the Ramona® or McKinley® (those use board 6600-566) 780 / 880 / 980 Series configurations 50 Hz European or export models (those use board 6600-567) Technical Details Voltage: 120V / 240V Convertible (60 Hz North American) Pump Support: Pump 1 (1-speed or 2-speed) Electronics Platform: Balboa BP Series / BP100-G1 Core Logic Heater Compatibility: Balboa M7 style heater arrays (up to 4.0 kW or convertible configurations) Topside Compatibility: Balboa TP-series entry levels or authorized Sundance/Jacuzzi custom variant lines Supported Functions: ClearRay® UV sanitizer system timing integration Ozonator control logic Standard 12V LED multi-color lighting logic Built-in fuse protection array Advanced M7 high-limit & water flow monitoring safety protocols Purpose & Performance The 6600-581 circuit board functions as the core operations controller managing all critical elements of your spa system: Precise scheduling of water safety filtration loops Activation of the single primary jet pump sequence Dynamic heating control matching set temperature margins Built-in diagnostic codes (such as flow restriction notifications or thermal safety warnings) A failing board typically shows: Entire hot tub power failure or board lockups Jet pump refusing to trigger or switch speeds Continuous flow or pressure error faults despite clean filters Total communication loss or blank topside panel displays Replacing the board drops right into the original enclosure tray to instantly restore complete system reliability. Related Components Part Number Description 6600-566 680 Series / J-200 2-Pump Main Board (2022+) 6600-569 2-Pump System Companion Daughter Board 6472-529 ClearRay® Pro3tect Ozone System 6000-348 Replacement Board Fuse Kit Ordering Notes Exclusively engineered for 1-pump configurations built from late 2022+ onward. Will not substitute into systems built prior to the Balboa BP architecture update. Electronics are non-returnable once purchased under standard OEM distribution terms. Always verify your hot tub’s specific Serial Number and Revision code before finalizing your purchase.