The main difference between garage door opener models is how the motor moves the trolley.
Garage door used opener with rail.
If you have a really heavy door some heavy duty lm models can be installed with an i shaped rail.
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.
Craftsman makes an opener that seems to be the same but advertises a 1 25 hp motor.
Standard garage door openers have a similar design.
When finished be sure to secure the bolts together.
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.
It is stronger than the square tube rail used by chamberlain and craftsman.
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.
It is also quieter as the joints in the square tube rail can be squeaky.
Free shipping by amazon.
After the idler pulley aligns secure the rail guide at the other end of the door opener.
Genie 39026r garage door opener extension kit for 5 piece belt drive tube rails 69 90 new spring nut assy for craftsman 53728 8 belt rail extension kit drive garage.
A motor drives a trolley or carriage along a rail.
Get it as soon as thu sep 24.