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dormakaba RTS88-Kit 11

Center Hung End Load, Aluminum Door and Frame - 7/8" Top Rail, Complete Overhead Closer

Quick Product Details

  • Complete Overhead Closer
  • Standard Duty
  • Center Hung
  • Single/Double Acting
  • End Load
  • For interior and exterior aluminum doors and frames with 7/8" top rail
Starting price: $558.00 /each

SKU: RTS88-Kit 11 can include all components

Choose Options Below

Dorma RTS88-kit 11 complete center hung overhead closer kit is for interior or exterior double/single-acting aluminum doors and frames with a 7/8" top rail.

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Price: $558.00

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) End Load Top Arm:

End Load Top Arm image
Buy Separately

4) Bottom Pivot:

Adjustable End Load Floor Pivot image
Buy Separately
Buy Separately
Buy Separately
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? QH chevron down
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.



Suited For:
  • Interior and exterior aluminum doors and frames with 7/8" top rail.

Quality and Safety:
  • 5 year limited warranty

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

Product at A Glance

  • Designed to fit into headers as small as 1 ¾” x 4" for aluminum frames and is also adaptable to wood and hollow metal frames.
  • Features mechanical backcheck
  • Always use an auxiliary stop in conjunction with RTS88 installations.
  • Pressure relief valve protects the closer from abuse due to forced closing
  • An integral positive stop limits door swing to 90° or 105°
  • Adjustment valves. Sweep speed area is from 105° to 20°. Latch speed area is from 20° to 0°.
  • Mounting brackets are included to install closer into aluminum or wood headers
Style Complete Overhead Closer
Grade Standard Duty
Application Center-hung
Function Single/Double-Acting
Door Handing Non-handed
Door Weight Maximum 200 lbs.
Door Thickness 1-3/4"



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