Genie chain drive garage door opener 8ft rail extension kit extends your tube style chain drive rails to fit an 8 foot garage door compatible with all genie tube style chain drive models ektc.
Garage door used opener with rail.
A motor drives a trolley or carriage along a rail.
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It is also quieter as the joints in the square tube rail can be squeaky.
Craftsman makes an opener that seems to be the same but advertises a 1 25 hp motor.
When finished be sure to secure the bolts together.
It is stronger than the square tube rail used by chamberlain and craftsman.
The trolley is connected to the garage door and as the trolley moves it pulls the door open or pushes it closed.
If you buy the opener with t shape rails the first thing to do is to align the t shape of the rails in place properly.
After the idler pulley aligns secure the rail guide at the other end of the door opener.
If you have a really heavy door some heavy duty lm models can be installed with an i shaped rail.
There are many different types of rails used in the garage door opener.
Standard garage door openers have a similar design.
3 product ratings liftmaster 8355w 267 premium wifi belt drive garage door opener 1 2hp no rail 259 99 trending at 274 99 trending price is based on prices over last 90 days.