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LCN 4021

Smoothee Heavy Duty Top Jamb Adjustable Door Closer

Quick Product Details

  • Top Jamb Mount-Push Side
  • Heavy duty closer designed specifically for institutional and other rugged high traffic applications.
SKU: 4021

Price: $294.00 /each

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This LCN 4021 is the best performing top jamb mounted adjustable door closer for rugged institutional application that are subject to heavy traffic.

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Price: $294.00

Choose Options

Start selecting options

Use the menu on the right to select available options.
After all options have been chosen, you can add to cart.

Choose Finish:

AL- Aluminum (689) right hand shown AL- Aluminum (689)
DKBRZ -Dark Bronze (695) right hand shown DKBRZ -Dark Bronze (695)

Choose Handing:

Left hand (LH) Left hand (LH)
Right hand (RH) Right hand (RH)

Help Me Decide

The handing of a door is always determined from the push side.




  • If the door swings away from you to the left, it is a Left Hand door
  • If the door swings away from you to the right, it is a Right Hand door


Replacing Your Door Closer?

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Suited for:
  • High traffic institutional applications.
  • Top jamb (push side) mounting.
  • Standard 4020 series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws.
  • Tested and certified under ANSI Standard A156.4, grade one.

Quality and Safety:
  • Tested and certified under ANSI Standard A156.4, Grade 1
  • Closer meets ADA requirements

Special Orders Available: Contact us directly to place your special order.

Available Options: Choose Options Above

  • Finish:

  • Handing: info icon

    • Left hand (LH)
    • Right hand (RH)

Product at A Glance

  • 4021 cylinder is adjustable from size 1 through size 5 and is shipped set to size 3
  • Shipped with regular arm, standard plastic cover, and self reaming and tapping screws
  • Mounting holes spaced 2-1/2” vertically and 6" horizontally
  • The 4021 replaces the 4022, 4023 and 4025 closers.
Style Door closer
Grade Heavy Duty
Handing Handed
Mounting Top jamb (push side)
Door Width - Interior doors: maximum 4'6"
- Exterior Doors: maximum 3'6"

More Info

It is imperative that a door closer doesn’t merely perform the act of closing the door, but it also controls the opening and closing cycles of a door to ensure safety and prevent damage to the opening. LCN closers are known for their excellency in all areas and they are sure to provide you with uncompromised quality and smooth operation.



Instructions & Templates

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