Commercial Grade 1 Door Closer Size 4 For Heavy Duty Doors With ANSI A1564 300 Series Grade 3 500000 Cycles UL Listed Aluminum Non Handed Chassis Mounting Options Regular Top Jamb Parallel Arm For Easy Installation And Durable Performance

Heavy-Duty Commercial Door Closer, Size 4 for Heavy Doors
✔️ Pack: 1; aluminum non-handed chassis; regular/top jamb/parallel arm

This commercial-grade door closer delivers reliable operation for heavy-duty doors in high-traffic settings. It supports multiple mounting configurations including regular, top jamb, and parallel-arm installations, making retrofits straightforward.

✅ ANSI A156.4, 300 Series, Grade 3, 500,000 cycles
✅ UL Listed for safety and reliability
✅ Aluminum, non-handed chassis for easy installation
✅ Mounting options: Regular, Top Jamb, Parallel Arm
✅ Door prep: 9-1/16" (230 mm) horizontal and 3/4" (19 mm) vertical mounting hole locations

💡 What is a heavy-duty door closer used for in commercial spaces?

This handy device helps control door movement, improves safety, and reduces energy loss in busy buildings.

- Designed for high-traffic doors; ANSI A156.4 compliance - Multiple mounting options: Regular, Top Jamb, Parallel Arm - UL listed and rated for up to 500,000 cycles - Size 4 provides strong closing force for heavy doors