Zero 366AA Heavy-Duty Semi Mor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$174.11
$159.72

Zero 366AA Heavy-Duty Semi Mortise Automatic Door Bottom

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Model: 366AA 37.5
Selected Finish is

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

$174.11
$159.72
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The patented automatic door bottom technology from Zero ensures an efficient seal against the floor or saddle. As the door is closed, the adjustable plunger is compressed against the door frame, activating a concealed flat spring mechanism. Zero door bottoms are designed to block penetration by air, sound, smoke, and flames.

  • AA = Anodized aluminum
  • Surface-mounted applications. Supplied with closed cell sponge neoprene.
  • Fire-rated UL10C
  • ANSI/BHMA: 361AA, 361BK, 361D, 361G R3C3341

Manufacturer Resources

Product Specs

Commercial/Residential:
Commercial
Product Group:
Door Trim and Accessories
Product Subgroup:
Door Bottom Sweeps and Door Shoes
Product Type:
Door Bottom
Rating:
Fire Rated-UL10c
Substrate:
Aluminum

Zero International 366AA 37.5 – Frequently Asked Questions

How fast can I get the Zero International 366AA 37.5 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 Zero International 366AA 37.5 come with a warranty?
Absolutely. The Zero International 366AA 37.5 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 Zero International 366AA 37.5?
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 Zero International 366AA 37.5 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.