SPEEDI-BOOT Vent Boot Hanger: Straight Boot Boot, 7 in Dia. 7 in H x 7 in W Collar Size

The SPEEDI-BOOT Vent Boot Hanger is a straight boot vent boot made of steel with a steel cap/collar. It features a 7-inch diameter, 7-inch height, 7-inch width collar size, and a 7-inch collar diameter. The…

SKU 3G-OTH-77698

Also listed as: SBS4127SB · SBS 4127 SB · SBS-4127-SB

Brand

SPEEDI-BOOT

Item

Vent Boot Hanger: Straight Boot Boot, 7 in Dia. 7 in H x 7 in W Collar Size

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

SPEEDI-BOOT

Manufacturer Part Number

SBS-4127 SB 

Type

7 in Dia. 7 in H x 7 in W Collar Size, Steel 

Material

Steel 

Collar Dia

7 in 

Cap/Collar Material

Steel 

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

SPEEDI-BOOT Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a SPEEDI-BOOT Vent Boot Hanger used for?

A SPEEDI-BOOT Vent Boot Hanger supports and secures straight-boot vent ductwork in HVAC systems. It is used in residential and commercial construction to hold the boot at the correct height and alignment, ensuring proper airflow and a stable connection between the duct and the floor or wall register.

What are the specifications of the SPEEDI-BOOT SBS-4127 SB?

The SPEEDI-BOOT SBS-4127 SB is a straight-boot vent boot hanger made of steel with a steel cap and collar. It has a 7-inch diameter, 7-inch height, 7-inch width collar size, and a 7-inch collar diameter. The manufacturer part number is SBS-4127 SB.

Where to buy SPEEDI-BOOT vent boot hangers worldwide?

3G Electric supplies SPEEDI-BOOT vent boot hangers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the SBS-4127 SB or other SPEEDI-BOOT models.

How to install a SPEEDI-BOOT vent boot hanger?

Install the SPEEDI-BOOT vent boot hanger by securing it to the subfloor or joist using appropriate fasteners. Align the 7-inch collar with the duct opening, then attach the ductwork. Ensure the boot is level and the collar is fully seated to prevent air leaks. Follow local HVAC codes for best results.

Used in

Common applications for SPEEDI-BOOT

Industrial HVAC duct termination — SPEEDI-BOOT straight boots (e.g., SBS-8148 SB) for connecting 8-inch duct to registers in factory ventilation systems.

Warehouse air distribution — SPEEDI-BOOT end boots (e.g., SBS-6127 EB) for terminating duct runs in high-bay storage areas.

Commercial building supply air — SPEEDI-BOOT 90-degree boots (e.g., SBS-4126 NB) for directional changes in office or retail HVAC systems.

Manufacturing plant exhaust — SPEEDI-BOOT straight boots (e.g., SBS-4127 SB) for connecting 7-inch duct to exhaust registers in production zones.

Maintenance replacement — SPEEDI-BOOT end boots (e.g., SBS-4126 EB) for retrofitting existing ductwork with 6-inch diameter boots in older facilities.

Modular duct system integration — SPEEDI-BOOT 90-degree boots (e.g., SBS-4127 NB) for 7-inch duct transitions in prefabricated HVAC assemblies.

SPEEDI-BOOT Products

3G Electric supplies SPEEDI-BOOT vent boots. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all SPEEDI-BOOT products →Contact our engineers →