Question on Gargage Door Opener
Within a type, they will interchange, but there are significant
differences that prohibit interchange between brands and even
generations of brands. 2 or 3 companies are making them all under
different names, so LiftMaster, Chamberlain and Sears would
interchange, while
Genie would not. This is not speculation, I've been there done that &
have a spare set of Liftmaster eyes to prove it.
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