Dorma RTS88 Series - RTS07 Ove...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,119.00
$802.80
Dorma RTS88 Series - RTS07 Overhead Concealed Door Closer, Center Hung End Load, Double or Single Acting, Aluminum Door and Frame Application (Non-Handed)

Dorma RTS88 Series - RTS07 Overhead Concealed Door Closer, Center Hung End Load, Double or Single Acting, Aluminum Door and Frame Application (Non-Handed)

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Model: RTS07 105 NHO SZ3
$1,119.00
$802.80
Selected Finish (Including 8653 Cover Frame) is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,119.00
$802.80
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DORMA RTS88 Series Overhead Concealed Door Closer

The RTS88 is designed to give lasting, dependable service where surface applied units and other types of closers are not suitable, or would interfere with the architectural design. It can be easily installed in wood, aluminum, or hollow metal doors and frames, for single and double-acting doors.

  • Concealed installation
  • For single and double-acting doors
  • Dependable and easy to Install

Aesthetic advantages

Architects are often challenged to design buildings that are both beautiful and functional, down to the last detail. The DORMA RTS88 overhead concealed door closer offers the perfect solution for those who prefer the aesthetic advantages of a concealed door closer.

Vandalism protection

The RTS88 is an excellent replacement closer for problem entrances encountering vandalism of surface applied closers.

Benefits for the contractor

Contractors appreciate the RTS88 closer, because the majority of door and frame preparation is done prior to installation of the unit, resulting in less on-site machining.

Resources:
RTS88 Series Catalog

Manufacturer Resources

Product Specs

Product Group:
Door Controls
Series:
RTS Series
Product Subgroup:
Door Closers - Overhead Concealed
Product Type:
Overhead Concealed Door Closers
Subcategory:
Concealed Door Closers
Door Weight:
250 lbs
Door Swing:
Single or Double Acting
Commercial/Residential:
Commercial
Package Features:
CH End; Aluminum Door and Frame
Product Model:
RTS07
Door Hand Direction:
Non-Handed
Product Category:
Door Controls
Department:
Door Hardware

Dormakaba RTS07 105 NHO SZ3 – Frequently Asked Questions

1) Do I need to order a left hand or right hand version of the RTS07?
No handing to specify. The RTS07 is a non-handed closer, so one unit works on a left or right swinging leaf. What you do have to get right on the order is spring size, cushion stop degree, hold open or not, and the finish.
2) Will the RTS07 work on a double acting door that swings both ways?
Yes. The RTS07 is built for single or double acting applications, so it suits a center hung leaf that swings in and out as well as a one-way entrance. The RTS88 family is intended for concealed installation in wood, aluminum, or hollow metal doors and frames.
3) Which spring size do I pick for a 3'-0" exterior aluminum entrance door?
For a 3'-0" exterior leaf, SZ4 is the strongest closing force and covers 3'-0" to 3'-6" exterior doors, while SZ3 covers 2'-6" to 3'-0" exterior and 3'-0" to 3'-6" interior. If you need reduced opening force to meet a barrier-free requirement on a 3'-0" door, order BFE for exterior or BFI for interior. SZ2 is the light opening force option.
4) My aluminum door is offset hung, not center hung. What concealed closer should I use instead of the RTS07?
The RTS07 is a center hung end load unit for aluminum door and frame applications, so it will not suit an offset hung leaf. For offset hung aluminum doors, the Norton Rixson 0608 Series is the concealed closer built for that pivot arrangement, rated for aluminum doors up to 200 lbs at standard duty.
5) I need the door to open close to 180 degrees. Is the RTS07 the right closer?
The RTS07 cushion stop is offered at 90 degrees or 105 degrees, so it is set up for those swing limits. If the opening has to swing much further, the Sargent 269 is the heavy duty Grade 1 overhead concealed closer specified with 180 degree opening capability.
6) What is the closest equivalent to the Dorma RTS07 overhead concealed closer for a center hung double acting aluminum entrance?
The Norton Rixson 73 Series is the nearest match in intent: it is a center hung double acting overhead concealed closer supplied with a cover plate and rated for 250 lb doors, the same 250 lb door weight the RTS07 carries. The RTS07 is non-handed and offered single or double acting, with spring sizes from barrier-free light opening force up to SZ4 for 3'-6" to 4'-0" interior doors, so the Dorma gives you the closing force selection at order time while the Rixson 73 is specified as a heavy duty Grade 1 unit.
7) Can I get a hold open on a Dorma RTS07 concealed closer?
Yes, hold open is an order option on the RTS07, and you choose the cushion stop at either 90 or 105 degrees. If you want the door to close every time, order the non hold open version. Note that hold open on an exterior door can conflict with fire door and some accessibility requirements, so confirm against your opening's function before specifying it.
8) What is the difference between the 90 degree and 105 degree cushion on this closer?
The cushion is the built-in backcheck stop point. A 90 degree cushion cushions the leaf at square to the frame, which is what you want where a return wall, adjacent door, or railing sits just past 90. The 105 degree cushion lets the door open further before it cushions, useful for traffic carrying carts or luggage. Both are offered on the RTS07.
9) Do I need a frame cover plate with the RTS07, and what finishes are available?
A frame cover plate is an add-on package option (the 8563) rather than standard, so add it if the frame prep will be visible. Finish choices, which include the 8653 cover frame, are 600 Prime Coat, 689 Aluminum, 690 Statuary Bronze, 691 Dull Bronze, 693 Black, 695 Dark Duradonic Bronze, and 696 Gold. For a property manager matching existing storefront hardware, 689 aluminum and 693 black are the usual matches on anodized frames.
10) When would I order the RTS07 with the 5mm extended spindle?
The extended spindle package adds 5mm of spindle length, which you need when the closer sits slightly higher relative to the top of the door, typically from frame or header build-up, and a standard spindle would not fully engage the top pivot insert. Measure the gap between the closer spindle and the door top rail before choosing it; a standard package is correct on a normal aluminum door and frame condition.
11) How do the CRL Jackson overhead concealed closer bodies compare to the Dorma RTS07?
The CRL Jackson units are sold as closer body only, in regular duty (20-101M-01 at 105 degree and 20-101M-03 at 90 degree, both non hold-open), heavy duty (20-101M-09, 105 degree non hold-open), and an adjustable spring power version (20-101M-17, 105 degree non hold-open). The Dorma RTS07 covers the same 90 and 105 degree cushion choice but is orderable with or without hold open, in seven finishes from 600 Prime Coat through 696 Gold, and with package options including the 8563 frame cover plate or a 5mm extended spindle.
12) Which Sargent concealed closer is the Grade 1 alternative to the Dorma RTS07, and what is different about it?
The Sargent 268 is a heavy duty Grade 1 overhead concealed closer with a cast iron body. The Dorma RTS07 is a non-handed center hung end load unit for aluminum door and frame applications, single or double acting, to 250 lbs, with the closing force selected by spring size at order. Note also the Sargent 278, which is a heavy duty Grade 1 concealed closer with an exposed arm rather than a fully concealed arm, which changes the look at the head.
13) Is a concealed closer worth it over a surface closer on an entrance that keeps getting damaged?
That is one of the main reasons the RTS88 gets specified. Because the closer body sits inside the header instead of hanging on the door face, there is nothing exposed to pry or tear off, which makes it a common replacement for problem entrances where surface applied closers keep getting vandalized. It also keeps the opening clean where a surface unit would fight the architectural design.
14) How much on-site machining does an RTS07 concealed closer take to install?
Most of the work happens off the door. The majority of the door and frame preparation is done before the unit goes in, so installers do less cutting and drilling in the field. It suits new aluminum door and frame packages that arrive pre-prepped, and it will install in wood or hollow metal openings as well.
15) Is the Dorma RTS07 suitable for a commercial building or is it a residential closer?
It is a commercial-duty overhead concealed closer, built for a 250 lb leaf on single or double acting service. That is the right class of unit for retail storefronts, offices, schools, and multi-family lobby entrances. For a residential interior door a surface closer is normally the cheaper and simpler route.
How fast can I get the Dormakaba RTS07 105 NHO SZ3 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Dormakaba RTS07 105 NHO SZ3 come with a warranty?
Absolutely. The Dormakaba RTS07 105 NHO SZ3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Dormakaba RTS07 105 NHO SZ3?
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