Part Number: 6600-566
Brand: Sundance Spas
⚠️ 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.
PWA Daughter Board – Balboa BP Platform, 2‑Pump, 60 Hz
Overview
Part 6600‑566 is the OEM BP Daughter Board used in select Sundance® and Jacuzzi® spa systems built on the Balboa BP control platform. This module expands the primary BP system board to operate 2‑pump, 60Hz North American spa configurations, providing the relay control, switching logic, and low‑voltage signal routing required for dual‑pump hydrotherapy systems.
Like sister part 6600‑569, the 6600‑566 daughter board attaches directly to the BP main board and serves as a logic expansion card, enabling pump control, heater interlock sequencing, and integrated system safety monitoring.
This part is found in specific Sundance® and Jacuzzi® spas configured with Balboa BP control packs beginning in 2022.
Compatible Spa Models & Years
✔ 2022+ Sundance® Models Using BP‑Series Control Packs
(Exact models vary by regional configuration, but typically include 2‑pump setups)
Likely models include:
- Sundance 680+ variants outfitted with BP packs
- Select 780‑Series export units using BP architecture
- Sundance-branded private‑label models using BP controllers
✔ Jacuzzi® J‑200 Series (Alternate Version)
While 6600‑569 is listed explicitly for 2022+ J‑200, 6600‑566 is used in parallel applications depending on configuration and distributor preference.
✖ NOT compatible with:
- Pre‑BP systems (Gecko, YT, LX, or earlier Sundance/Jacuzzi proprietary boards)
- 880™ / 980™ Series high‑end electronics
- 50 Hz European packs (this unit is 60 Hz only)
Technical Details
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Board Type: PWA Daughter / Logic Expansion Board
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Platform: Balboa BP (BP501/BP21 derivative depending on model)
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Frequency: 60 Hz (North American)
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Pump Support:
- Pump 1: 2‑speed
- Pump 2: 1‑speed
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Electrical Functions:
- Relay command routing for 2‑pump operation
- Heater enable/disable signal logic
- Safety interlock sequencing (Temp/Hi‑Limit/Flow monitoring via BP system)
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Physical Connection: Attaches to BP main board through PWA connector / ribbon header
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Material: Conformal‑coated PCB for moisture resistance
Purpose & Performance
The 6600‑566 BP Daughter Board provides:
- Correct sequencing for dual pump hydrotherapy
- Communication interface between the topside, pumps, and heater
- Safeguards via integrated BP platform firmware
- Improved reliability versus earlier Sundance control boards
- Low‑voltage logic switching for safe, consistent pump behavior
This daughter board is essential for restoring proper functionality when a spa exhibits:
- Pump 2 not responding
- Incorrect pump speed switching
- Heater interlocks not enabling
- Random pump cycling
- BP system faults tied to relay logic
Related Components
| Part Number |
Description |
| 6600‑569 |
J‑200 2022+ 2‑Pump Daughter Board (parallel family) |
| Main BP Control Board |
Required host board (varies by control pack) |
| 6560‑xxx Sensors |
BP-compatible temperature & hi‑limit sensors |
| 6500‑xxx Heater |
5.5 kW BP-compatible flow‑through heater |
| 6600‑8xx / 6600‑9xx Topside Panels |
Compatible Sundance/Jacuzzi BP interfaces |
Ordering Notes
- Designed ONLY for Balboa BP‑based Sundance®/Jacuzzi® 2‑pump systems.
- Must be paired with a compatible BP main controller.
- Electronics are non‑returnable, and all warranty claims flow through OEM channels.
- Always verify your spa’s year, system pack label, and pump configuration before ordering.
- BP100-G2 Main Board, 2-Pump, 60Hz, does not include daughter board.
