Wayne Dalton is a company that specializes in making garage doors. You can find a huge variety of all sorts of garage doors for you home on the website of the company. Quantum is a series of garage door openers from Wayne Dalton that is very popular among homeowners as well as owners of commercial establishments. If you are making use of Quantum 3213 and require any of its parts, you can easily find them on the official website of the company. If there is any problem in opening and shutting down of the garage door, you can download WAYNE DALTON QUANTUM 3213 MANUAL here for free.