*PLUMBERSSTOCK EXPERT* responded:
Good day! Thank you for your interest in our Field SWG-6 power venter. You are correct! This power venter does require a CK control kit to ensure proper listing and safe, efficient venting. You can see here, a list of control kit models that you may need for the power venter. If you require more information, please don't hesitate to contact us via E-mail @ support.plumbersstock.com or call us @ 435-868-4020, a customer service representative will be happy to assist you. If you're interested in purchasing the power venter, just click Add to Cart, enter your zip code and you're all set. Thank you and have a great day!