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Dorma RTS88-Kit 04

Center Hung Side Load, Wood Door and Steel Frame, Complete Overhead Closer

SKU: RTS88-Kit 04 can include all components

Starting price: $543.00 /each

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Dorma RTS88-kit 04 complete center hung overhead closer kit. Interior or exterior double or single-acting wood door and steel frame. Package includes closer body, mounting channel, side load top arm with channel, cover plate, bottom arm and floor bearing. Complete closer packages can include everything that you need for a new installation. Maximum door weight of 250 lbs.

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Price: $543.00

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After all options have been chosen, you can add to cart.

Choose Components:

1) Mounting Channel for Steel Header:

Mounting Channel for Steel Header image
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2) Cover Plate:

Cover Plate image
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3) Side Load Top Arm:

Side Load Top Arm with channel for wood doors image
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4) Center Hung Bottom Arm:

Center Hung Bottom Arm image
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5) Floor Bearing:

Floor Pivot Bearing image
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6) Overhead Closer Body:

Overhead Concealed Door Closer Body image
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Choose Finish:

605 - Polished Brass 605 - Polished Brass
625 - Polished Chrome 625 - Polished Chrome
626 - Satin Chrome 626 - Satin Chrome
613 - Dark Bronze 613 - Dark Bronze

Choose Hold Open:

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Hold Open - 90 degrees (HO90)
No Hold Open - 90 degrees (NHO)
Hold Open - 105 degrees (HO105)
No Hold Open - 105 degrees (NHO)

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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.



  • Center Hung Double or Single-Acting
  • Side Load, Wood Door and Steel Frame
  • Kit consists of
    #1 - 8532 Closer Mounting Channel
    #2 - RTS Closer
    #3 - 8575 Cover Plate
    #4 - 8832 Top Arm with Channel
    #5 - 7421 Bottom Arm
    #6 - 7471K Floor Bearing

    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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