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Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Material:
- Aluminum
- Number Of Conductors:
- 2
- Product Group:
- Wire & Cable Management
- Product Type:
- Dual-Rated Mechanical Connector
- Selling Unit Of Measure:
- each
- Spacing:
- 1/4 in
- Standards:
- UL E9809
- Surface Finishing:
- Tin-Plated
- Type2:
- Mechanical connectors
- Department:
- Electrical
- Product Subgroup:
- Connectors
Blackburn ADR21-21 – Frequently Asked Questions
How fast can I get the Blackburn ADR21-21 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 the door closer 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 Blackburn ADR21-21 come with a warranty?
Absolutely. The Blackburn ADR21-21 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 Blackburn ADR21-21?
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 Blackburn ADR21-21 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.