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This replacement interface board for Baxi boilers with three-speed control enables proper communication between the user controls and the boiler's fan or pump. Designed to manage the different speed settings, it ensures that the heating system operates efficiently at all times. Whether you are troubleshooting speed control issues or replacing a damaged board, this part restores full functionality. Ideal for Baxi boiler maintenance and repair, it offers a precise fit and reliable performance. Keep your heating system running smoothly with this genuine spare part.