LiftMaster 8550

Most low- to mid-range garage openers use a chain drive. It’s a design that makes for an affordable product, but they can be jerky, noisy and a bit unpleasant, even if perfectly functional.

Belt-driven openers are in principle very similar to chain-driven openers, but they are quieter and smoother. Think of it as a refinement of the chain-drive principle. That’s the main selling point of a product like the LiftMaster 8550 Elite Series opener. It’s targeted at a more premium segment ...

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