About this circuit board
The J400 1&2 PMP Circuit Board (part 6600-766) is an OEM replacement control board designed for Sundance Spas J400 series hot tubs with 1 and 2 pump configurations. This 240V/60Hz control board manages your spa’s essential functions including pump operation, heating cycles, and filtration systems, ensuring reliable performance for your daily spa enjoyment.
At Bubbles Supply, we guarantee this genuine Sundance circuit board will fit your system exactly as intended. Every board ships the same day you order and comes backed by our comprehensive 1-year warranty for complete peace of mind. Professional installation is recommended for this electrical component—always verify your existing board’s part number matches 6600-766 before installation and ensure power is completely disconnected during replacement.
