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Dorma RTS88-Kit 25

Offset Slide Arm, Aluminum Door and Frame on Hinges-Complete Overhead Closer

SKU: RTS88-Kit 25 can include all components

Starting price: $352.00 /each

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Dorma RTS88-kit 25 complete overhead closer kit. Interior or exterior single-acting aluminum door and frame hung with 4-1/2" hinges. Package includes closer body, slide arm and cover plate. Complete closer packages can include everything that you need for a new installation. Maximum door weight of 250 lbs.

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Price: $352.00

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 Components:

1) Closer Body:

Overhead Concealed Door Closer Body image
Buy Separately

2) Cover Plate:

Cover Plate image
Buy Separately

3) Offset Slide Arm and Channel:

Offset Slide Arm and Channel image
Buy Separately

Choose Finish:

AL-689 Aluminum Painted AL-689 Aluminum Painted
DKBRZ-695 Dark Bronze Painted DKBRZ-695 Dark Bronze Painted

Choose Hold Open:

Need Help Deciding?
Hold Open - 90 degrees (HO90)
No Hold Open - 90 degrees (NHO)
Hold Open - 105 degrees (HO105)
No Hold Open - 105 degrees (NHO)

Help Me Decide

Hold open - a mechanism within a closer which allows a door to remain in an open position.

Hold open closers are not permitted for use on fire rated doors.


Choose Spring Size:

Size 3
Size 4

Help Me Decide

  • Size 3
    • Exterior Doors over 2'-6" to 3'-0"
    • Interior Doors over 3'-0" to 3'-6"
  • Size 4
    • Exterior Doors over 3’0”- 3’6”
    • Interior Doors over 3’6”- 4’0”

Maximum door widths and recommended sizes shown are for average conditions. If there are unusual site conditions, e.g. high or exceptionally heavy doors or wind pressure, the next stronger spring size should be selected.



  • Templated specifically for aluminum doors hung on 4-1/2" wide hinges.
  • Offset Slide Arm
  • Kit consists of
    #1 - RTS88 Closer
    #2 - 8563 Cover Plate
    #3 - 8812 slide arm

    You are ordering a complete overhead closer package. For details on any components, including options, specifications and templates - click on "purchase this item".

    Be sure to select any optional components shown at the bottom You can de-select a component that you don't need and it will be deducted from the total.

    To purchase individual components only, click on the link to purchase.

Available Options: Choose Options Above

  • Finish:

  • Hold Open: info icon

    • Hold Open - 90 degrees (HO90)
    • No Hold Open - 90 degrees (NHO)
    • Hold Open - 105 degrees (HO105)
    • No Hold Open - 105 degrees (NHO)
  • Spring Size: info icon

    • Size 3
    • Size 4



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