We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
NATIONAL GUARD Automatic Door Bottom 423N-36, 36 in, Black Aluminum - Automatic Door Bottoms
NATIONAL GUARDAutomatic Door Bottoms

NATIONAL GUARD Automatic Door Bottom 423N-36, 36 in, Black Aluminum

The NATIONAL GUARD Automatic Door Bottom with Single Fin Insert (MPN 423N-36) is a 36-inch long, 1.5-inch wide aluminum door bottom in black. It is designed to seal the gap under a door, helping to block drafts…

SKU 3G-OTH-515159

Also listed as: 423N36 · 423N 36

Brand
NATIONAL GUARD
Item
Automatic Door Bottom 423N-36, 36 in, Black Aluminum
Part Number
423N-36
Category
Automatic Door Bottoms
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NATIONAL GUARD
Manufacturer Part Number
423N-36
Type
Aluminum, Black
Lg
36 in
Wd
1 1/2 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

NATIONAL GUARD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NATIONAL GUARD Automatic Door Bottom with Single Fin Insert (MPN 423N-36) is a 36-inch long, 1.5-inch wide aluminum door bottom in black. It is designed to seal the gap under a door, helping to block drafts, light, and sound. 3G Electric interprets this demand and sources the genuine NATIONAL GUARD product, providing a single point of accountability across 14 industrial departments — and we supply far more than is listed. Our specialist depth in combustion, pumps and controls (as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke) serves as a trust anchor, ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the NATIONAL GUARD Automatic Door Bottom 423N-36 used for?

The NATIONAL GUARD Automatic Door Bottom 423N-36 seals the gap under a door to block drafts, light, and sound. It is commonly used in commercial and industrial facilities to improve energy efficiency and indoor comfort. 3G Electric sources this genuine NATIONAL GUARD product for worldwide delivery.

What are the specifications of the NATIONAL GUARD 423N-36 door bottom?

The NATIONAL GUARD 423N-36 is a 36-inch long, 1.5-inch wide aluminum automatic door bottom with a single fin insert, finished in black. It is designed for standard door widths and provides a durable seal. 3G Electric supplies this genuine NATIONAL GUARD part globally.

Where to buy the NATIONAL GUARD 423N-36 door bottom worldwide?

3G Electric supplies the genuine NATIONAL GUARD 423N-36 automatic door bottom to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this part or any other industrial equipment across 14 departments.

How to install the NATIONAL GUARD automatic door bottom 423N-36?

Install the NATIONAL GUARD 423N-36 by cutting it to exact door width, then mounting it to the door bottom using the provided screws. Ensure the fin insert contacts the floor evenly for proper sealing. 3G Electric can provide sourcing support for this genuine NATIONAL GUARD product.

Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from NATIONAL GUARD

View all NATIONAL GUARD parts →
This automatic door bottom seals the gap under a door to block drafts, light, and sound. Made of aluminum, it measures 48 inches in length and 2 1/4 inches in width. Suitable for commercial and industrial door applications requiring a corrosion-resistant seal
NATIONAL GUARD
This automatic door bottom seals the gap under a door to block drafts, light, and sound. Made of aluminum, it measures 48 inches in length and 2 1/4 inches in width. Suitable for commercial and industrial door applications requiring a corrosion-resistant seal
This automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed in commercial and industrial facilities to improve energy efficiency and room privacy. Constructed of aluminum with a single fin insert, it measures 36 inches in length and 1 3/8 inches in width
NATIONAL GUARD
This automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed in commercial and industrial facilities to improve energy efficiency and room privacy. Constructed of aluminum with a single fin insert, it measures 36 inches in length and 1 3/8 inches in width

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first