Our products are designed, developed, and produced in-house, therefore there isn’t any off shelf part. So, since we did it our way here is a section with illustrated user manuals which will guide you step by step on how to install and use our products. You can look at the uploaded slideshow, or you can download a pdf file with specific ‘how to’ file. If you still have any concerns regarding the instructions please feel free to contact us, or be advised to let the installation to your local certified professional.