Norton Door Closer

Related guide: Norton 7500: Which Closer for a Heavy Institutional Door — what the institutional grade buys over a standard closer, regular vs parallel vs top-jamb mount, and why a fire door can't take a mechanical hold-open.
Related guide: Norton 1600: The Adjustable Closer for a Light Commercial Door — non-handed tri-style mounting, sizing the adjustable spring, hold-open vs standard, and when to step up to a heavier closer.
Related guide: Norton 5700 Series: Push Side or Pull Side Operator for an ADA Door — Norton 5700 Series low-energy ADA operator: push side (5730), pull side (5710), or the universal 5740 with both arms in the box for a retrofit where field conditions aren't fully known ahead of time.