I don't know how old your is but mine is 17 years old and I got a
replacement remote from Sears last week. They said there are two
kinds, one with a red light (older) and one with a green light (newer).
Sears parts will have it. There are also a lot of websites that sell parts.
Those openers were made by Chamberlin. Very easy to find whatever you want for
them. They sold zillions of those openers for a long period of time with almost
no changes. Parts are plentiful, so if you don't like the Sears price, shop
around. Sometimes, Sears IS the cheapest, though.
Any possibility you posted the Sears model number incorrectly?
I've used this place several times for myself and friends and they
always had what I needed. (And at much better prices than from Sears.)
Here's their page with Sears model numbers on it, but the one you posted
since its so old and lacks modern safety and security features, like
light sensors on door so obstruction reverses door, and things like
rolling code technology to make it harder to break in by remote you may
be better off just replacing the opener. its not expensive and besides
if your ever going to sell such a old ppener is a home inspectors
old openers put lots of pressure on a obstruction before reversing way
more than current units, after kids were crushed.
sears has sales for 200 to 250 installed.
may be better investment than 50 bucks on a ancient unit
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