7×4 HVAC Duct Reducer Galvanized Taper No Crimp 7″ to 4″ 7X4-311P

SKU: 7X4-311P

Weight	3 lbs
Dimensions	8 × 8 × 8 in
Condition	New
Manufacturer Part Number	7X4-311P

$15.36

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$15.36	0%
5–9	$14.59	5%
10+	$13.82	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

7x4 HVAC Duct Reducer Galvanized Taper No Crimp 7" to 4" 7X4-311P

Specifications & product details

7″ x 4″ Galvanized HVAC Duct Taper Reducer – No Crimp

This 7×4 tapered duct reducer is designed to transition round HVAC ductwork from 7 inches down to 4 inches efficiently. Manufactured from corrosion-resistant galvanized steel, this reducer provides a smooth airflow transition while maintaining structural durability.

The no-crimp configuration allows flexibility in installation depending on system requirements and contractor preference.

Key Features:

Reduces 7″ round duct to 4″
Galvanized steel construction
Tapered design for improved airflow performance
No-crimp configuration
Ideal for HVAC supply and return air systems
Suitable for residential and commercial duct installations

Applications:

HVAC duct size transitions
Ventilation system modifications
New construction and retrofit work
Airflow balancing adjustments

This reducer is built for professional HVAC installations and ensures reliable performance in forced-air systems.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.