If you're experiencing difficulties with lighting the burner, please review the information below before proceeding with a purchase: Burner failure W6A Burner failure W15A S4965BD3005B: This burner controller is compatible with all roaster models manufactured after 2017. It is designed to work seamlessly with the WPG, W1A, W6A, and W15A models.S4565BD4005B: This burner controller is intended for models produced between 2014 and 2017. It is designed to work seamlessly with the WPG, W1A, W6A, and W15A models. (Note: this burner controller does not have a sticker.) S4565BF3062B: This burner controller is specifically tailored for use with roasters in Australia. It is designed to work seamlessly with the WPG, W1A, W6A, and W15A models.S4567A1019B: This burner controller is exclusively designed for UL machines and features a black finish. It is designed to work seamlessly with the WPG, W1A, W6A, and W15A models.