>Are you saying that Single Pole Single Throw and probably Push Button
> switches are Obsolete?
Yes, obsolete. Since posting my question, I've done a bit of reading on this and Chamberlain/Liftmaster openers with 'MyQ' require a 'MyQ' compatible push button - a plain old SPST push button won't...
I strongly suspect this problem has to do with the "enhanced" security of the new opener/controls. The new Chamberlain unit with 'yellow button' is "Security+ 2.0". The older Liftmaster (purple learn button) is "315mhz Security+". Sorry, these are Chamberlain's terms - I don't mean to sound...
Thanks for letting me join. Perhaps some garage door opener guru can solve my problem.
My Liftmaster 3255 gave up the ghost after ~17 years. I replaced it with a Chamberlain C203 (Chamberlain's basic Smart Myq model from Lowes). The replacement was easy enough, but when I was done, a garage...