Recent content by Viper Luna

I'm not the sharpest tool in the box but it seems logical that the opener would still do its job the same way with or without the extension, but I wanted to make sure before I rip it down

I'm replacing a broken opener with a new one. The installation instructions say that if the door is higher than 7 feet I need an extension. My door is not higher than 7 but already has an extension from the previous opener. I measured the rail on the old Chamberlain and it's exactly the same...