Dormakaba RTS88-105HO689 OHC Closer Body Only Size 3, 105 Hold Open, 689/US28 Aluminum

DormaKaba Architectural Hardware RTS88-105HO689 Overhead Concealed Closer Body Only offers a seamless and elegant solution for those seeking a concealed door closer. Designed with aesthetic appeal in mind, this unit is perfect for both single and double-acting doors, providing a clean look that enhances any architectural space. The RTS88 is particularly beneficial in high-traffic areas prone to vandalism, as it replaces surface-mounted closers effectively, ensuring durability and longevity. Contractors will appreciate the pre-installation preparation that minimizes on-site machining, streamlining the installation process. This closer features a dependable mechanical design with a size 3 spring tension, allowing for a maximum opening of 105 degrees. The powder-coated aluminum finish (689/US28) adds an extra layer of protection while maintaining a modern appearance. Compatibility with various arm options-including offset slide arms and end load arms-ensures the RTS88 can accommodate aluminum, steel, wood, and tempered glass doors. Additionally, its non-handed design offers flexibility in installation, making it an ideal choice for a range of applications. The RTS88-105HO689 is more than just a door closer; it’s a robust solution that combines functionality with aesthetic integrity.

Overhead Concealed (OHC) Closer Body Only Size 3, 105 Degree. Hold Open, 689/US28 Powder Coated Aluminum

• Aesthetic Advantages: 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.

Features:

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

Arms:

• 8812: Offset slide arm and channel for aluminum, steel, or wood doors, hung on 3/4" offset pivots or 4-1/2" wide butt hinges. Requires a minimum 3/4" top door rail channel depth.
• 8836S: End load arm specifically designed for tempered glass doors with a short top rail (patch fitting). Requires a minimum 7/8" top door rail channel depth.
• 8837K: End load arm specifically designed to match templating of Kawneer end load arm.
• 8831: Standard side load arm for aluminum or steel doors. Requires a minimum 1/2" top door rail channel depth.
• 8832: Side load arm with channel for wood doors. Requires a 5/8" mortise depth.

Cover Plates:

• 8563: Cover plate for RTS Series closer when installed in aluminum header.
• 8575: Cover plate for RTS Series closer when installed in steel header.
• 8561: Cover plate for RTS Series closer when installed in wood header.

Pivots:

• 8570: Adjustable side load floor pivot set for bottom door rail channel depth of 1-15/16". Base can be shortened for 1-9/16" bottom door rail channel depth. Bottom door clearance is adjustable from 5/16" to 1/2". Maximum weight capacity is 200 lb.
• 8856: Adjustable end load threshold pivot set for bottom door rail channel depth of 1-3/8". Bottom door clearance is adjustable from 3/16" to 7/16". Maximum weight capacity is 200 lb.
• 8572: Adjustable side load threshold pivot set for bottom door rail channel depth of 1-9/16". Bottom door clearance is adjustable from 3/16" to 3/8". Maximum weight capacity is 200 lb.
• 7471K/7421: Side load floor pivot set. Requires a 1-1/8" mortise depth. Provides a bottom door clearance of 5/16". Weight capacity when used with RTS Series closer is 250 lb. Recommended for wood doors or any door weighing in excess of 200 lb.
• 8852: Adjustable end load floor pivot set for bottom door rail channel depth of 7/8". Bottom door clearance is adjustable from 3/8" to 5/8". Maximum weight capacity is 200 lb.
• 8853: Adjustable end load floor pivot set for bottom door rail channel depth of 1-9/16". Bottom door clearance is adjustable from 1/4" to 1/2". Maximum weight capacity is 200 lb.
• 8855: Adjustable end load threshold pivot set for bottom door rail channel depth of 7/8". Bottom door clearance is adjustable from 3/16" to 7/16". Maximum weight capacity is 200 lb.
• 8857: Adjustable end load threshold pivot set for bottom door channel depth of 1-9/16". Bottom door clearance is adjustable from 3/16" to 7/16". Maximum weight capacity is 200 lb.

Accessories:

• 8820J: Conversion bracket for replacement of existing overhead concealed closers. Utilizes existing side jamb mounting bracket to anchor RTS Series closer.
• 8521E: Add-on spindle extension increases distance between closer and door by 1-3/16" (30 mm).
• 8532: Steel header mounting channel. Provides reinforcement required to install the RTS Series closer in an open-throat header.
• 8511: Offset slide arm cover. Conceals No. 8812 slide arm when door is in the closed position. The extruded aluminum cover is 48-1/4" long and is field-sized as required. Specify hand.

Resources

• Cut Sheet
• User Guide