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R27942 12 in. x 3/4 in. Grade 1 Door Closer - Aluminum Finish - Adjustable Spring Power Sizes 1-6 - Adjustable Closing & Latch Speed - Backcheck - Tri-Packed for Regular, Top Jamb, or Parallel Arm Mounting
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Product Code: R27942-1234-ALUM
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R27942 12 in. x 3/4 in. Grade 1 Door Closer - Aluminum Finish - Adjustable Spring Power Sizes 1-6 - Adjustable Closing & Latch Speed - Backcheck - Tri-Packed for Regular, Top Jamb, or Parallel Arm Mounting
The R27942 12 in. x 3/4 in. door closer is a heavy duty, ANSI A156.4 Grade 1 door closer engineered for high-traffic commercial openings. With adjustable spring power sizes 1–6, independent closing speed and latch speed valves, and integral backcheck, the door closer delivers smooth, reliable control on a wide range of interior and exterior doors while meeting ADA and ANSI A117.1 barrier-free requirements.
Key Features
Grade 1 performance: Tested to over 2 million cycles; built for heavy duty commercial use
Adjustable power: Spring power sizes 1–6 for light ADA doors up to high-traffic exterior doors
Fine control: Independent valves for closing speed and latch speed adjustment
Backcheck: Cushions the door opening to protect people, hardware, and adjacent walls
Tri-packed: Mount as Regular Arm, Top Jamb, or Parallel Arm (PA bracket included)
Aluminum finish: Clean architectural look with a slimline cover
All-weather fluid: Consistent performance across seasonal temperature changes
Standard template: 3/4" x 12" center-to-center mounting hole pattern
Fast installation: Includes self-drilling screws and PA bracket
UL Listed 10C: Suitable for labeled fire door assemblies
What’s Included
R27942 door closer body with slimline cover (Aluminum finish)
Tri-pack hardware set: Regular arm, top jamb hardware, and parallel arm (PA) bracket
All necessary screws (self-drilling for metal and wood applications)
Detailed installation instructions
Applications
Ideal for schools, healthcare facilities, offices, retail, multifamily, and public buildings where smooth control, durability, and code compliance are required. Adjustable spring power allows one model to cover a broad range of door sizes and conditions, from barrier-free light-opening force to high-traffic exterior entrances.
Compliance & Ratings
ANSI/BHMA: A156.4 Grade 1
Accessibility: ADA & ANSI A117.1 barrier-free compliant (when properly adjusted)
Fire: UL Listed 10C for fire door assemblies
Technical Details
Power: Adjustable spring sizes 1–6
Adjustments: Closing speed, latch speed, and backcheck
Mounting patterns: Standard 3/4" x 12" CTC
Fluid: All-weather, non-gumming hydraulic fluid
Cover: Slimline metal cover
Finish: Aluminum
Mounting Options (Tri-Packed)
Regular Arm (Pull Side)
Top Jamb (Push Side)
Parallel Arm (Push Side) – PA bracket included
Installation Notes
Verify handing, reveal dimensions, and frame condition prior to installation
Use provided template and confirm fastener suitability for substrate (wood or metal)
Adjust spring power to meet opening-force requirements; then fine-tune closing and latch speeds
Set backcheck to cushion opening without preventing full travel
Typical Use Cases
Interior and exterior swinging doors where reliable self-closing and controlled latching are required, including fire-rated egress doors and ADA-compliant openings when adjusted accordingly.
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