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Q & A / Perko closers
« Last post by Collegeboy on December 06, 2023, 04:58:38 PM »Probably been asked hundreds of times over the years,but whats the latest on single chain perkos on older type doors, Should they be replaced for overhead closers or ok to leave if still there and still working obviously not conforming to Controlled closer, EN1154, minimum power size etc, just asking whether to advise Replace or ok to leave as they conformed at the time of installation and replacement not retrospective