Door Closers

A door closer does more than shut the door behind people. On a fire-rated opening it is what guarantees the door actually closes and latches. A fire door that stands open protects nothing. On an entry it controls drafts, security, and energy costs. And with the right closer, a heavy commercial door can still meet ADA opening-force requirements.

Key choices: surface-mounted closers (regular arm, parallel arm, or top jamb) are the workhorses and fit most commercial doors, while concealed and overhead closers trade easy maintenance for clean looks. Size the closer to the door. Most quality commercial closers are adjustable across sizes 1 through 6, and bigger, heavier, or windier openings need higher spring sizes. For accessible entrances, look for closers that can be adjusted to ADA opening-force limits, or step up to a low-energy automatic operator with a wave-to-open actuator. We carry those in our Touchless Solutions section.

Adjustability matters more than people expect: independent sweep speed, latch speed, and backcheck valves are what separate a door that closes reliably and quietly from one that slams. We stock commercial-grade closers from LCN, Norton, and other leading brands, including hold-open arms where code permits and delayed-action closers for accessibility.

Door Closers

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  • LCN 4040SEH 24V 691 Surface Closer with Hold-Open LCN 4040SEH 24V 691 Surface Closer with Hold-Open
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    LCN 4040SEH 24V 691 Surface Closer with Hold-Open

    LCN
    MSRP: $938.00
    $580.24
    The LCN 4040SEH is a heavy-duty surface-mounted door closer with electric hold-open functionality, designed for fire and smoke barrier doors in commercial buildings. It holds doors open via 24V...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $938.00
    $580.24
    Subtotal:
  • LCN 4040SE-3077T 639 Sentronic Door Closer Arm LCN 4040SE-3077T 639 Sentronic Door Closer Arm
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    LCN 4040SE-3077T 639 Sentronic Door Closer Arm

    LCN
    MSRP: $581.00
    $410.77
    The LCN 4040SE-3077T is a heavy-duty electromechanical door closer arm designed for fire and smoke barrier doors in commercial interiors. It holds doors open via electric current and automatically...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $581.00
    $410.77
    Subtotal:
  • LCN 4040SE-3071 691 Door Closer Parts LCN 4040SE-3071 691 Door Closer Parts
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    LCN 4040SE-3071 691 Door Closer Parts

    LCN
    MSRP: $607.00
    $426.54
    This is a replacement parts component for the LCN 4040SE Sentronic door closer/holder system. It is used with heavy-duty, non-handed closers designed for interior doors up to 4'0" with single-point...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $607.00
    $426.54
    Subtotal:
  • LCN 4040SEH 24V 695 Dark Bronze Door Closer with Hold-Open LCN 4040SEH 24V 695 Dark Bronze Door Closer with Hold-Open
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    LCN 4040SEH 24V 695 Dark Bronze Door Closer with Hold-Open

    LCN
    MSRP: $938.00
    $580.24
    The LCN 4040SEH is a heavy-duty, non-handed door closer and electromagnetic hold-open device for interior fire and smoke barrier doors up to 4 feet wide. It holds doors open via 24V power until...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $938.00
    $580.24
    Subtotal:
  • 4040SEL-3038SEL 120V BRASS LCN Door Closer Parts 4040SEL-3038SEL 120V BRASS LCN Door Closer Parts
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    4040SEL-3038SEL 120V BRASS LCN Door Closer Parts

    LCN
    MSRP: $647.00
    $446.74
    4040SEL-3038SEL 120V BRASS LCN Door Closer PartsThe 4040SE SENTRONIC is a heavy duty, non-handed, nonsized closer/holder designed to provide single point hold-open for fire and smoke barrier doors...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $647.00
    $446.74
    Subtotal:
  • LCN 4040SEH-3038 24V 689 Door Closer Parts LCN 4040SEH-3038 24V 689 Door Closer Parts
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    LCN 4040SEH-3038 24V 689 Door Closer Parts

    LCN
    MSRP: $647.00
    $446.74
    This is a replacement part component for the LCN 4040SE Sentronic heavy duty door closer/holder. It is designed for interior doors up to 4 feet and includes a 24V switch board assembly with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $647.00
    $446.74
    Subtotal:
  • 4040SEL-3038SEL 24V BRASS LCN Door Closer Parts 4040SEL-3038SEL 24V BRASS LCN Door Closer Parts
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    4040SEL-3038SEL 24V BRASS LCN Door Closer Parts

    LCN
    MSRP: $647.00
    $446.74
    4040SEL-3038SEL 24V BRASS LCN Door Closer PartsThe 4040SE Sentronic is a heavy duty, non-handed, non-sized closer/holder designed to provide single point hold open for fire and smoke barrier doors...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $647.00
    $446.74
    Subtotal:
  • LCN 4040SEH 120V 691 Surface Closer with Hold-Open LCN 4040SEH 120V 691 Surface Closer with Hold-Open
    Quick view

    LCN 4040SEH 120V 691 Surface Closer with Hold-Open

    LCN
    MSRP: $938.00
    $580.24
    The LCN 4040SEH is a heavy-duty surface-mounted door closer with integrated electro-magnetic hold-open for fire and smoke barrier doors. It holds doors open via 120V power until current interruption...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $938.00
    $580.24
    Subtotal:
  • LCN 4040SE-3077DE LH 689 Sentronic Door Closer Arm, Left Hand LCN 4040SE-3077DE LH 689 Sentronic Door Closer Arm, Left Hand
    Quick view

    LCN 4040SE-3077DE LH 689 Sentronic Door Closer Arm, Left Hand

    LCN
    MSRP: $263.00
    $185.95
    The LCN 4040SE Sentronic is a heavy-duty electromechanical door closer with integrated hold-open for fire and smoke barrier doors. It holds doors open via 24V or 120V current, releasing automatically...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $263.00
    $185.95
    Subtotal:
  • LCN 4040SEL-3038SEL 24V 689 Door Closer Parts LCN 4040SEL-3038SEL 24V 689 Door Closer Parts
    Quick view

    LCN 4040SEL-3038SEL 24V 689 Door Closer Parts

    LCN
    MSRP: $647.00
    $446.74
    Replacement parts and components for the LCN 4040SE Sentronic heavy-duty door closer/holder system. These parts include SEL track assemblies and related components designed for single-point hold-open...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $647.00
    $446.74
    Subtotal:
  • LCN 4040SE-STD 120V 696 Brass Surface Closer with Hold-Open LCN 4040SE-STD 120V 696 Brass Surface Closer with Hold-Open
    Quick view

    LCN 4040SE-STD 120V 696 Brass Surface Closer with Hold-Open

    LCN
    MSRP: $1,480.00
    $910.40
    The LCN 4040SE-STD is a heavy-duty surface-mounted door closer with integrated hold-open function, designed for fire and smoke barrier doors in commercial interiors. It holds doors open via solenoid...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,480.00
    $910.40
    Subtotal:
  • LCN 4040SE-STD 120V LH 689 MC Surface Closer, Left Hand LCN 4040SE-STD 120V LH 689 MC Surface Closer, Left Hand
    Quick view

    LCN 4040SE-STD 120V LH 689 MC Surface Closer, Left Hand

    LCN
    MSRP: $1,506.00
    $922.88
    The LCN 4040SE-STD is a heavy-duty electro-magnetic surface closer and hold-open device for fire and smoke barrier doors. It holds doors open via solenoid until power interruption triggers automatic...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,506.00
    $922.88
    Subtotal:
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