Gardner Bender 16-Gauge Steel ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$54.53
$4.53
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Gardner Bender 16-Gauge Steel Knockout Seal with 3/8" Thread - Zinc-Plated Professional Installation

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Model: KO704

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

$54.53
$4.53
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Gardner Bender 16-Gauge Steel Knockout Seal with 3/8" Thread

Professional knockout sealing solution for electrical enclosures

The Gardner Bender knockout seal delivers reliable closure for unused knockouts in electrical boxes and enclosures. Constructed from 16-gauge cold-rolled galvanized steel with rust-proof protection, this professional-grade seal features a 3/8" thread design and zinc-plated screw and bar components for enhanced corrosion resistance and long-term durability in demanding electrical applications.

Professional Features & Benefits

  • 16-Gauge Steel Construction: Provides robust structural integrity and reliable sealing performance in electrical enclosures.
  • 3/8" Thread Design: Ensures secure installation and proper fit in standard knockout openings for professional applications.
  • Zinc-Plated Components: Screw and bar feature zinc plating for enhanced corrosion resistance and extended service life.
  • Cold-Rolled Galvanized Steel: Rust-proofed material construction delivers superior protection against environmental factors and moisture.
  • Embossed Self-Centering Design: Quick self-centering feature in unused knockouts ensures proper alignment and professional installation.
  • Single Screw Installation: One screw holds seal securely in place, simplifying installation process and reducing installation time.
  • Dual Installation Options: Fast and easy installation from inside or outside of electrical box for installation flexibility.

Technical Specifications

  • Each In Package Height In: 3.25
  • Each In Package Length Depth In: 2.25
  • Each In Package Weight Oz: 31.4
  • Each In Package Width In: 2.25

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Electrical Panel Installations
  • Commercial Electrical Enclosures
  • Industrial Control Boxes
  • Residential Service Panels
  • Junction Box Sealing
  • Maintenance and Retrofit Projects
  • Code Compliance Applications

Why Choose Gardner Bender Quality?

Gardner Bender knockout seals combine professional-grade materials with practical design features for reliable electrical enclosure sealing. The rust-proofed galvanized steel construction and zinc-plated components ensure long-term performance, while the embossed self-centering design and marked sizing provide professional installation efficiency and code compliance in demanding electrical applications.

Manufacturer Resources

Product Specs

Each In Package Height In :
3.25
Each In Package Length Depth In :
2.25
Each In Package Weight Oz :
31.4
Each In Package Width In :
2.25

Gardner Bender KO704 – Frequently Asked Questions

How fast can I get the Gardner Bender KO704 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 Gardner Bender KO704 come with a warranty?
Absolutely. The Gardner Bender KO704 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 Gardner Bender KO704?
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 Gardner Bender KO704 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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