Works on 12 in.
Dual track garage door opener.
In order to install torsion spring hardware we recommend a clearance of 12 in.
Before you purchase a new garage door opener consider these important factors.
This second track is installed above the horizontal section that is attached to the curve from the vertical track section.
The trolley is connected to the garage door and as the trolley moves it pulls the door open or pushes it closed.
Maximum garage door height.
304 mm available it is best to use a dual track system designed for low headroom.
A motor drives a trolley or carriage along a rail.
This very common garage door track option uses up even less headroom space than a 12 radius track.
If the garage is the main entrance to your home or you have a one piece door or a heavy oversized garage door you ll probably need one with the lifting power of a 3 4 to 1.
Garage door parts accessories.
The main difference between garage door opener models is how the motor moves the trolley.
On the other hand if there is only 4 in.
1 2 horsepower garage door openers work well with standard aluminum doors in a residential garage.
When equipping a garage door with an electric door opener add 2 in.
Garage door size and frequency of use.
121 mm to 12 in.
Reduces headroom for ez set torsion spring system to 9 1 2 in.
Reduces headroom for standard and ez set extension spring systems to 4 1 2 in.
Ideal door overhead garage door double track low headroom kit.
51 mm to standard lift movements.