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An interface board serves as a communication hub between the boiler's main control and external devices like thermostats or sensors. If you experience connectivity issues or unresponsive controls, a defective interface board may be the cause. Replacing this electronic component can restore full functionality and allow your heating system to operate as intended. As a key part of heating equipment components, the interface board must be compatible with your specific model. Proper installation ensures seamless integration and reliable performance in your boiler or burner system.