The threaded rod is where the mechanism or trolley rides or moves along in order to lift raise or lower the door.
Garage door type motor.
Your garage door opener decision also need to take the drive type into consideration.
A screw drive garage door opener system operates using a steel drive screw that is directly attached to the motor.
Screw and belt driven openers are less noisy than chain openers.
As such you ll want to choose carefully when considering a replacement garage door.
For pricing and availability.
Belt driven garage door openers use a belt instead of a chain to move your door.
When operating the motor a chain or belt turns and pulls the trolley along the track.
This makes them ideal for attached garages however they are a bit more expensive.
A good garage door opener will have a horsepower of 1 2 hp 3 4 hp or 1.
Oversized doors and one piece doors may require 3 4 1 or 1 horsepower garage door openers.
Specially designed for garages and unique applications that don t allow for a traditional garage door opener such as garages with very low cathedral or obstructed ceilings.
Look into horsepower garage openers if you have standard aluminum doors.
Garage openers with higher horsepower use less effort to operate and minimize wear and tear on the motor.
This is ideal if your garage doors act as the main entrance to your home.
Garage door openers work by using a trolley connected to an arm that attaches to the top of the garage door and slides back and forth on a track which opens and closes the garage door.
These days there are several types of garage doors based on style materials and the motor several motor types.
Double car garage doors should have either screw drive or chain driven openers.
There are many types of garage doors to choose from the six most common are sectional roll up slide to the side side hinged tilt up canopy and tilt up retractable.
Chamberlain 1 25 hp myq secure view and ultra bright smart belt drive garage door opener with myq and wi fi compatibility and battery back up and led light and camera s item 1630354.
Chain openers on the other hand are less difficult to repair for the average homeowner.
The linear jackshaft opener offers space saving wall mounted design.
You also must decide on the door material finish color and special options like.
An example is the liftmaster 8557.
Amazon s choice for garage door motor genie chain drive 750 3 4 hpc garage door opener w battery backup heavy duty chain drive operate your garage door when the primary power is out wireless keypad included model 7035 tkv black.
These types of garage door openers works in one simple operation using a simple threaded rod.
Single car garage doors can use a belt screw or chain driven opener without damaging the motor.