The FAMCO IR Duct Increaser / Reducer - Galvanized

Galvanized steel duct increaser/reducer designed for maximizing airflow in tight spaces.

Duct Increaser / Reducer – Galvanized

Rated 4.86 out of 5 based on 21 customer ratings

(21 customer reviews)

$14.95 – $54.95

Quality constructed in heavy-duty 26 gauge galvanized steel
Maintains the CFM rate and maximizes air flow in longer duct runs by decreasing the duct size
Best used in tighter spaces with low air volume
Comes in a range of sizes from 4 inch x 3 inch up to 18 inch x 16 inch diameter
Aluminum version is also available

Dimensions

4x3 inch
5x3 inch
5x4 inch
6x3 inch
6x4 inch
6x5 inch
7x3 inch
7x4 inch
7x5 inch
7x6 inch
8x3 inch
8x4 inch
8x5 inch
8x6 inch
8x7 inch
9x3 inch
9x4 inch
9x5 inch
9x6 inch
9x7 inch
9x8 inch
10x3 inch
10x4 inch
10x5 inch
10x6 inch
10x7 inch
10x8 inch
10x9 inch
12x3 inch
12x4 inch
12x5 inch
12x6 inch
12x7 inch
12x8 inch
12x9 inch
12x10 inch
14x8 inch
14x10 inch
14x12 inch
16x8 inch
16x10 inch
16x12 inch
16x14 inch
18x10 inch
18x12 inch
18x14 inch
18x16 inch
20x14 inch
20x16 inch
20x18 inch

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SKU IR Categories Accessories, Increasers / Reducers

Description

The FAMCO IR Duct Increaser / Reducer - Galvanized is designed to reduce the duct size of a forced air run in a short transition. by decreasing the duct size, it maintains the CFM in the run and maximizes air flow. The IRA is best used in tighter spaces with low air volume. Quality heavy duty constructed in 26 gauge Galvanized Steel. The FAMCO IR Duct Increaser / Reducer - Galvanized comes in a range of sizes from 4 inch x 3 inch to 18 inch x 16 inch. The FAMCO IR Duct Increaser / Reducer - Galvanized is manufactured by FAMCO in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us.

PDF Download

Download the IR product PDF.

IRspecs

Spec Sheet

Duct Increaser / Reducer - Galvanized

SKU: IR

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Questions and answers of the customers

What is the total height of IR10? 10x8 reducer

Q What is the total height of IR10? 10x8 reducer answer now
Asked on February 21, 2021 9:47 pm

A
Total height for all diameters is going to be 3-1/2"

2" height for the larger end, 1" height on the smaller end

Would the “in” be a female and the “out”be a male size, or should both sides have a male/crimped section of duct inserted?

Q Would the “in” be a female and the “out”be a male size, or should both sides have a male/crimped ...... Read more answer now
Asked on February 18, 2021 12:02 pm

A
The increaser/reducers are nominally sized, so both ends would be female. If need be, you could change this by crimping one or both ends of the reducer.

21 reviews for Duct Increaser / Reducer – Galvanized

4.9

Based on 21 reviews

5 star	85	85%
4 star	14	14%
3 star		0%
2 star		0%
1 star		0%

Showing 3 of 21 reviews (4 star). See all 21 reviews

Rated 4 out of 5

Anonymous (verified owner) – October 29, 2020

I was satisfied with the reducer. Only drawback was that I had to buy a crimping tool. In the end it was just what I needed to install new boiler vent properly.
Rated 4 out of 5

Ernest Lerma (verified owner) – April 26, 2024

I still had to make modifications to my vents in order to make the product fit over it. But it worked.
Rated 4 out of 5

Anonymous (verified owner) – August 27, 2024