The Marantec 8030234 chain connector repair part for Marantec garage door operators connects the two ends of the chain on the operator rail assembly. Works with all of the Marantec garage door openers with standard opener rails. The chain connector is often replaced at the same time as the trolley assembly since both can wear down over the years and it's best to replace both if one is showing wear or has broken.
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4.9
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