At D-n-A LLC we are committed to taking drain cleaning, plumbing, & heating, in Connecticut to the next level of service. D-n-A was founded on the principle of bringing you the knowledge, and experience of some of the most prominent nationwide plumbing companies in the United States, while giving you individual, customer centric service a large company can never attain. When you call D-n-A you are our only customer until your problem is solved!