Corbin Russwin 503F53-3 Fire R...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$106.00
$91.10
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Corbin Russwin 503F53-3 Fire Rated Bottom Strike for Concealed Vertical Rod Exit Devices ED7000 Series

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Model: 503F53-3

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

$106.00
$91.10
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Corbin Russwin 503F53-3 Fire Rated Bottom Strike for Concealed Vertical Rod Exit Devices ED7000 Series

The Corbin Russwin 503F53-3 is a fire rated bottom strike designed specifically for use with Corbin Russwin Concealed Vertical Rod Exit Devices in the ED7000 Series. Engineered as a commercial-grade replacement part, this bottom strike provides the essential door-bottom latching point required for proper operation of concealed vertical rod exit device installations. Purpose-built for the ED7000 device family, it ensures a compatible and code-compliant fit for demanding commercial door applications where fire rating compliance is critical.

Key Features

  • Fire Rated Design: Constructed to meet fire rated door assembly requirements, supporting compliance in applications where fire-rated exit device hardware is mandated.
  • ED7000 Series Compatibility: Engineered specifically for Corbin Russwin ED7000 Concealed Vertical Rod Exit Devices, ensuring precise fit and reliable operation without modification.
  • Concealed Vertical Rod Application: Designed for the bottom latch point of concealed vertical rod exit device systems, providing secure door latching at the floor or threshold.
  • Commercial-Grade Construction: Built to commercial hardware standards for use in high-traffic environments where durability and consistent performance are essential.
  • Replacement Part Availability: Offered as a direct replacement component, allowing for field serviceability of existing Corbin Russwin ED7000 installations without full device replacement.
  • Exit Device Parts Integration: Classified as an exit device part within the Corbin Russwin hardware ecosystem, maintaining system integrity when servicing or upgrading concealed vertical rod assemblies.

Certifications & Compliance

  • Fire Rated, suitable for use in fire rated door assemblies
  • Commercial Application Rated

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Exit Device Parts
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: 503F53-3
  • Features: Corbin Russwin Exit Device Parts

Typical Applications

  • Commercial Office Buildings with Fire-Rated Exit Door Assemblies
  • Educational Facilities Requiring Code-Compliant Exit Hardware
  • Healthcare Institutions with Fire-Rated Corridor and Stairwell Doors
  • Retail Establishments with Concealed Vertical Rod Exit Device Installations
  • Industrial and Warehouse Facilities with Fire-Rated Egress Doors
  • Government and Municipal Buildings with ED7000 Series Exit Device Systems
  • Multi-Tenant Residential and Mixed-Use Properties with Commercial Exit Hardware

Why Corbin Russwin ED7000?

Corbin Russwin exit device parts are engineered to maintain the performance integrity of commercial door hardware systems in demanding environments. The 503F53-3 bottom strike reflects Corbin Russwin's commitment to providing purpose-built, fire rated replacement components that support long-term serviceability and code compliance for concealed vertical rod exit device installations across a wide range of commercial applications.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Exit Device Parts
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
503F53-3
Features:
Corbin Russwin Exit Device Parts

Corbin Russwin 503F53-3 – Frequently Asked Questions

1) What does the Corbin Russwin 503F53-3 bottom strike actually do on a concealed vertical rod exit device?
It is the floor-level latching point. On a concealed vertical rod device, the bottom rod drops a latch into a strike at the threshold, and the 503F53-3 is that strike for Corbin Russwin ED7000 Series devices. Without it there is nothing for the bottom latch to engage, so the door only secures at the head.
2) Can I use this bottom strike on a fire rated door assembly?
Yes, the 503F53-3 is a fire rated bottom strike and is intended for use in fire rated door assemblies. That matters on a concealed vertical rod opening, because a fire rated device has to latch top and bottom and the strike is part of that assembly.
3) Do I have to replace the whole exit device if the bottom strike is damaged or missing?
No. The 503F53-3 is sold as a direct replacement component, so an existing ED7000 concealed vertical rod installation can be serviced in the field by swapping the bottom strike rather than pulling and replacing the device.
4) Will this strike fit a surface vertical rod or rim exit device?
No. The 503F53-3 is made for the bottom latch of a concealed vertical rod system in the ED7000 family. A surface vertical rod device uses its own bottom strike geometry, and a rim device latches at the frame rather than the floor, so neither takes this part.
5) Is this bottom strike suitable for high traffic commercial openings like schools and hospitals?
That is what it is for. The 503F53-3 is a commercial-grade part, and the typical applications include fire rated corridor and stairwell doors in healthcare, educational facilities, offices, and government buildings running ED7000 hardware. It is not a residential item.
How fast can I get the Corbin Russwin 503F53-3 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 Corbin Russwin 503F53-3 come with a warranty?
Absolutely. The Corbin Russwin 503F53-3 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 Corbin Russwin 503F53-3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Corbin Russwin 503F53-3 from ZenSupply?
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