CNTRL PNL Genuine Broan Parts meet rigid engineering and test criteria and are equal in design to your original Broan unit.. Replacement bl cntrl brd parts made by other manufacturers might not last as long as Broan parts and typically aren t built to your unit exact specifications, which could lead to problems and/or other part replacements. It is also important to note that using anything other than Genuine Broan Parts will automatically void the warranty. CNTRL PROCESSOR Genuine Broan cntrl brd Parts meet rigid engineering and test criteria and are equal in design to your original Broan unit. It is also important to note that using anything other than Genuine Broan Parts will automatically void the warranty.. Replacement parts made by other manufacturers might not last as long as Broan parts and typically aren t built to your unit circuit brd exact specifications, which could lead to problems and/or other part replacements.