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Glynn-Johnson 79 Series - Extra Heavy Duty Surface Overhead Door Holders/Stops
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Glynn-Johnson 100 Series - Heavy Duty Concealed Overhead Door Holders/Stops
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The 70 Series and 79 Series surface-mounted holders and stops are designed to meet the demands of high-traffic industrial applications. Compatible with various door closers, the models come with templates to allow for many mounting positions, ranging from a 85° to 110° hold-open/stop angle. The templates are designed for installation in almost all types of doors, including doors with conventional butt type hinges or specialty hinges.
The 70 and 79 Series holders and stops offer rugged durability and ease of installation. The surface-applied door and jamb brackets provide reliable door control and require minimal door and frame preparation.
FEATURES & BENEFITS
- Non-handed design for simple installation and stocking
- Improved compatibility with door closers for better door control and less wear and tear on all of the door hardware
- Available in a heavy gauge brass and the 300 Series stainless steel or steel, to offer the broadest range of finishes in the industry to complement any design
- Brass and stainless steel offer the highest resistance to corrosion, for a longer lasting product in a variety of weather conditions
- Other base materials are suitable for normal interior use
MODELS
- 70H Series hold-open model – heavy-duty
- 70S Series stop-only model – heavy-duty
RESOURCES
Glynn-Johnson_Overhead_Door_Holders.Stops_Catalog_101401 (allegion.com)
Manufacturer Resources
Product Specs
- Series:
- 70 Series
- Duty Level:
- Heavy Duty
- Product Group:
- Door Controls
- Product Subgroup:
- Overhead Stops and Holders
- Product Type:
- Overhead Stops and Holders - Concealed Mount
- Subcategory:
- Stops and Holders
- Commercial/Residential:
- Commercial
- Product Category:
- Door Controls
Glynn-Johnson 702H-SP28 – Frequently Asked Questions
1) What are Glynn Johnson 70 Series door holders designed for?
The 70 Series provides heavy duty surface mounting for overhead doors requiring reliable hold-open functionality. These units handle commercial grade applications where standard holders may fail.
2) Which door types work with 70 Series holders?
Compatible with most overhead sectional doors, roll-up doors, and service doors. Verify door weight capacity and mounting surface before installation. Not suitable for residential garage doors.
3) How do I determine left or right hand configuration?
Stand facing the door from inside the building. Right hand mounts on right side, left hand on left side. Order based on desired mounting location and door swing pattern.
4) What finishes are available for the 70 Series?
Standard finish is aluminum. Some models offer painted options or special coatings. Check specific model listings for available finishes and corrosion resistance ratings.
5) What is the holding force rating?
70 Series units provide heavy duty holding capacity suitable for commercial doors. Verify specific model ratings against your door weight and wind load requirements for proper sizing.
6) Are these holders fire code compliant?
Check local fire codes for hold-open device requirements. Some applications require fusible link integration for automatic release. Verify compliance with AHJ before installation.
7) What mounting hardware is included?
Basic mounting hardware typically included. Heavy duty applications may require additional fasteners rated for door weight and substrate. Use appropriate anchors for concrete or steel mounting.
8) How do I install 70 Series door holders?
Mount holder to floor or wall per manufacturer template. Position catch plate on door bottom rail. Adjust for proper engagement when door reaches desired hold-open position. Test release mechanism.
9) How do I adjust the holding position?
Loosen catch plate mounting screws and reposition on door. Fine-tune holder arm adjustment if available. Test engagement and release multiple times after adjustments.
10) What other Glynn Johnson series are available?
Glynn Johnson offers multiple series including lighter duty models and specialized applications. Browse our door hardware section for complete product range and specifications.
11) Can these holders work in exterior applications?
Exterior use depends on finish and environmental conditions. Consider corrosion resistance and temperature cycling. Verify manufacturer ratings for outdoor exposure and salt air conditions.
12) What door measurements do I need before ordering?
Measure door width, height, and weight. Note mounting surface material and available clearance. Determine desired hold-open angle and verify template dimensions fit your installation space.
How fast can I get the Glynn-Johnson 702H-SP28 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 Glynn-Johnson 702H-SP28 come with a warranty?
Absolutely. The Glynn-Johnson 702H-SP28 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 Glynn-Johnson 702H-SP28?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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