Garage Door Maintenance Petersburg
Garage Door Spring Repair
Petersburg It
uses a chain drive to pull the garage door up with the help of a
half-horsepower DC motor. It is modestly priced and has a tremendous amount of
positive user reviews some calling it “quiet and smooth operating,” which, in
our opinion, is a great quality to look for in a garage door opener. Genie
recommends the Chain Drive 550 for 7’ high garage doors. If you have an 8’ door
the extension kit (sold separately) is required. Chain drives are typically the
most commonly used and are a very reliable type of opener. This drive runs the
garage door on its track by using a metal chain. Chain drives are slightly
cheaper than belt drives. Screw drive openers use a lifting device that runs on
a threaded steel rod, rather than a chain or a rubber belt.
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5 out of 5 from 1 reviews
