NATIONAL GUARD Automatic Door Bottom: Single Fin Insert, Aluminum, 48 in Lg, 1 1/2 in Wd
The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 423N-48) is an aluminum door bottom measuring 48 inches in length and 1 1/2 inches in width, constructed from aluminum. This product is designed to…
SKU 3G-OTH-515158
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Product Description
The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 423N-48) is an aluminum door bottom measuring 48 inches in length and 1 1/2 inches in width, constructed from aluminum. This product is designed to seal the gap beneath a door, and 3G Electric can source it as part of our broader industrial supply capabilities across 14 departments, with specialist expertise in combustion, pumps, and controls.
Frequently Asked Questions
What is the NATIONAL GUARD Automatic Door Bottom 423N-48 used for?
The NATIONAL GUARD Automatic Door Bottom 423N-48 seals the gap beneath a door to block drafts, light, and sound. It is commonly used in commercial and industrial facilities for energy efficiency and privacy. 3G Electric supplies this as part of our industrial solutions across 14 departments, with specialist expertise in combustion, pumps, and controls.
What are the specifications of the NATIONAL GUARD 423N-48 door bottom?
The NATIONAL GUARD 423N-48 is a single-fin insert automatic door bottom made of aluminum. It measures 48 inches in length and 1 1/2 inches in width. The manufacturer part number is 423N-48. 3G Electric can source this product for worldwide delivery as part of our broader industrial supply capabilities.
Where to buy the NATIONAL GUARD 423N-48 door bottom worldwide?
3G Electric supplies the NATIONAL GUARD 423N-48 automatic door bottom to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this product alongside equipment across 14 departments, including specialist expertise in combustion, pumps, and controls.
How to install the NATIONAL GUARD automatic door bottom 423N-48?
Install the NATIONAL GUARD 423N-48 by cutting it to door width, then mounting it to the bottom edge using screws. Ensure the fin contacts the floor evenly when the door closes. For best results, follow the manufacturer's generic installation guidelines. 3G Electric can provide sourcing support for this and related door hardware.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD automatic door bottoms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









