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
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There are no refunds or returns on electronic spa parts.
- Please verify compatibility with your hot tub model before ordering.
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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:
Note: These specific models utilize the Balboa BP100-style single-pump pack assembly under the updated parts registry
✖ NOT compatible with:
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Any 680 Series spa manufactured before late 2022
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2-pump 680 models like the Ramona® or McKinley® (those use board 6600-566)
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780 / 880 / 980 Series configurations
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50 Hz European or export models (those use board 6600-567)
Technical Details
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Voltage: 120V / 240V Convertible (60 Hz North American)
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Pump Support: Pump 1 (1-speed or 2-speed)
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Electronics Platform: Balboa BP Series / BP100-G1 Core Logic
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Heater Compatibility: Balboa M7 style heater arrays (up to 4.0 kW or convertible configurations)
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Topside Compatibility: Balboa TP-series entry levels or authorized Sundance/Jacuzzi custom variant lines
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Supported Functions:
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ClearRay® UV sanitizer system timing integration
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Ozonator control logic
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Standard 12V LED multi-color lighting logic
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Built-in fuse protection array
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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:
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Precise scheduling of water safety filtration loops
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Activation of the single primary jet pump sequence
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Dynamic heating control matching set temperature margins
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Built-in diagnostic codes (such as flow restriction notifications or thermal safety warnings)
A failing board typically shows:
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Entire hot tub power failure or board lockups
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Jet pump refusing to trigger or switch speeds
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Continuous flow or pressure error faults despite clean filters
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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
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Description
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6600-566
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680 Series / J-200 2-Pump Main Board (2022+)
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6600-569
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2-Pump System Companion Daughter Board
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6472-529
|
ClearRay® Pro3tect Ozone System
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|
6000-348
|
Replacement Board Fuse Kit
|
Ordering Notes
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Exclusively engineered for 1-pump configurations built from late 2022+ onward.
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Will not substitute into systems built prior to the Balboa BP architecture update.
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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.
