The Liftmaster garage door opener uses a teflon like gearing system. The positive is that it is quiet. The downside is that if the garage door rollers add additional stress, it can cause additional wear & tear on the gearing system.
The Liftmaster garage door opener uses a teflon like gearing system. The positive is that it is quiet. The downside is that if the garage door rollers add additional stress, it can cause additional wear & tear on the gearing system.