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$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
2
Free shipping
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
$411.25
Raco 165Pl 4 Octagon Plenum Box 2-1/8 Deep 1/2-3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$411.25
Raco 165Pl 4 Octagon Plenum Box 2-1/8 Deep 1/2-3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$327.50
Raco 259Pl 4-11/16" Plenum Box 1-1/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$327.50
Raco 259Pl 4-11/16" Plenum Box 1-1/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$169.99
Buildmart - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling
Walmart
Free shipping
$169.99
Buildmart - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling
Walmart
$8.69
Garvin 54151-Vt 4" Chicago Plenum Air Tight Octagon Box 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$8.69
Garvin 54151-Vt 4" Chicago Plenum Air Tight Octagon Box 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$251.25
Raco 258Pl 4-11/16" Plenum Box 1 Ko
New Feedonomics Feed - ARC 8/12/2025
$251.25
Raco 258Pl 4-11/16" Plenum Box 1 Ko
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 264Pl 4-11/16" Plenum Box 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 264Pl 4-11/16" Plenum Box 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$20.99
$25.19
Appleton™ 4SPD 4 in SQ 2-1/8 DEEP PLENUM BOX
Remote Site Products
16% off
$20.99
$25.19
Appleton™ 4SPD 4 in SQ 2-1/8 DEEP PLENUM BOX
Remote Site Products
$206.25
Raco 257Pl 4-11/16" Plenum Box 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$206.25
Raco 257Pl 4-11/16" Plenum Box 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$782.50
Raco 125Pl 4 Octagon Plenum Box 1-1/2" Deep 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$782.50
Raco 125Pl 4 Octagon Plenum Box 1-1/2" Deep 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$2.89
Garvin 54171-Svt 4" Chicago Plenum Air Tight Octagon Box 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$2.89
Garvin 54171-Svt 4" Chicago Plenum Air Tight Octagon Box 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 265Pl 4-11/16" Plenum Box 3/4-1 Ko
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 265Pl 4-11/16" Plenum Box 3/4-1 Ko
New Feedonomics Feed - ARC 8/12/2025
$201.25
Raco 231Pl 4" Square Plenum Box 2-1/8 Deep 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$201.25
Raco 231Pl 4" Square Plenum Box 2-1/8 Deep 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$140.00
Raco 239 4" Square 2-1/8D Plenum Box
New Feedonomics Feed - ARC 8/12/2025
229
$140.00
Raco 239 4" Square 2-1/8D Plenum Box
New Feedonomics Feed - ARC 8/12/2025
$6.09
Garvin 52171-1-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 1" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$6.09
Garvin 52171-1-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 1" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.39
Garvin 72171-1-Vt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.39
Garvin 72171-1-Vt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.09
Garvin 52171-3/4-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.09
Garvin 52171-3/4-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.19
Garvin 52171-Svt 4" Sq Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1/2" & 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.19
Garvin 52171-Svt 4" Sq Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1/2" & 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$9.09
Garvin 72151-Svt 4-11/16" Chicago Plenum Air Tight Junction Box 1-1/2" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$9.09
Garvin 72151-Svt 4-11/16" Chicago Plenum Air Tight Junction Box 1-1/2" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.19
Garvin 72171-Svt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.19
Garvin 72171-Svt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$121.42
CODY COMPANY 046 Dual Filter Plenum Box, 20X20x30, Dual Filter
Voomi Supply
$121.42
CODY COMPANY 046 Dual Filter Plenum Box, 20X20x30, Dual Filter
Voomi Supply
$2.59
Garvin 52151-Svt 4" Sq Chicago Plenum Junction Box 1-1/2" Deep 1/2" And 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$2.59
Garvin 52151-Svt 4" Sq Chicago Plenum Junction Box 1-1/2" Deep 1/2" And 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$125.50
Southwire 52181-SVT Four Sq. Plenum Air Tight Box 3 8 1/2 And 4 3/4 Si
Zoro.com
$125.50
Southwire 52181-SVT Four Sq. Plenum Air Tight Box 3 8 1/2 And 4 3/4 Si
Zoro.com
$157.46
$160.00
Chief CMA471 Plenum Ceiling Box
Pro AV Warehouse
$157.46
$160.00
Chief CMA471 Plenum Ceiling Box
Pro AV Warehouse
$13.59
Garvin 52181-Svt 4" Sq Chicago Plenum Air Tight Junction Box 3" Deep (8) 1/2" & (4) 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$13.59
Garvin 52181-Svt 4" Sq Chicago Plenum Air Tight Junction Box 3" Deep (8) 1/2" & (4) 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$407.50
Southwire 52151-SVT Four Square Chicago Plenum J-Box 1-1/2 Deep 1/2 An
Zoro.com
$407.50
Southwire 52151-SVT Four Square Chicago Plenum J-Box 1-1/2 Deep 1/2 An
Zoro.com
$128.99
Chief CHF-CMA470 Plenum Ceiling Box
Zoro.com
$128.99
Chief CHF-CMA470 Plenum Ceiling Box
Zoro.com
$192.43
Lukjan PL10182036 Plenum Chamber Package 36 X 20 X 19
Voomi Supply
$192.43
Lukjan PL10182036 Plenum Chamber Package 36 X 20 X 19
Voomi Supply
$9.49
Garvin 72171-3/4-1-Vt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 3/4" & 1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$9.49
Garvin 72171-3/4-1-Vt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 3/4" & 1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$259.75
Southwire 52171-1-VT Four Square Plenum Air Tight J-Box 2-1/8 Deep 8 1
Zoro.com
$259.75
Southwire 52171-1-VT Four Square Plenum Air Tight J-Box 2-1/8 Deep 8 1
Zoro.com
What is Plenum in HVAC and Why It is so Important - PICKHVAC
What is Plenum in HVAC and Why It is so Important - PICKHVAC
4 months ago
pickhvac.com
Providing Technical Services in HVAC, Plenum Box Creation, and Size
Providing Technical Services in HVAC, Plenum Box Creation, and …
Oct 20, 2021
learnvern.com
What is a Plenum Box? (Purpose on FCUs and Diffusers) - aircondlounge
What is a Plenum Box? (Purpose on FCUs and Diffusers) - aircondlounge
Mar 26, 2024
aircondlounge.com
4 Types of HVAC Plenums (Basics & Applications) - aircondlounge
4 Types of HVAC Plenums (Basics & Applications) - aircondlounge
Mar 26, 2024
aircondlounge.com
How To: Fabricate A Plenum Box With BASIC Hand Tools | HVAC Ductwork
15:54
How To: Fabricate A Plenum Box With BASIC Hand Tools | HVAC D…
611.4K viewsSep 28, 2021
YouTubeQuality HVACR
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10:26
hvac plenum box design sizing calculation, air distribution plenu…
29.4K viewsAug 1, 2019
YouTubeMEP Engineering Tutorials
Air Volume Control Valves in Plenum Boxes Explained!
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Air Volume Control Valves in Plenum Boxes Explained!
1 views3 months ago
YouTubeFresh air ventilation Manufacturing Ltd
Plenum Boxes - Wynn Environmental
Apr 5, 2021
wynnenv.com
0:30
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - (2 Slot) …
Nov 26, 2019
amazon
10:18
How to completely assemble a Vertical Plenum Box for HVAC
22.9K viewsJan 23, 2023
YouTubeghvac tech
4:28
The BlueDuct Installation: Installing a Plenum Box
9.9K viewsAug 19, 2013
YouTubeAQCBlueduct
1:34
Furnace Plenum Installation Tip
17K viewsJan 25, 2019
YouTubeHVAC Service & Install
1:27
HVAC - Plenum Box Sizing
20.7K viewsDec 25, 2022
YouTubeHVAC FOR LIFE
0:44
How an HVAC Plenum is made by Dace MFG
886 viewsJul 6, 2022
YouTubeWebReps HVAC Wholesale B2B
20:40
Building a HVAC Plenum Box
40.4K viewsNov 7, 2020
YouTubeComfortPlus Heating and Cooling
3:43
How to build plenum boxes for slim duct
4.6K viewsJan 25, 2020
YouTubeHvac Hvac
1:15
Flexible Aluminum Duct | Plenum Box Installation
10.4K viewsMay 4, 2022
YouTubeHVACPremium
19:55
Air Handler, Centerline Plenum Transition and Return Air Installati…
117.9K viewsMar 2, 2021
YouTubeTractorman44
3:16
BlueDuct® Installation: Installing a Plenum Box
353 viewsApr 12, 2018
YouTubeAQC Industries
0:23
17.Plenum Box (PBX)
989 viewsApr 25, 2021
YouTubeKhedr For Engineering Services
12:11
Furnace Install Four Way Transition Plenum
10.2K viewsJul 23, 2021
YouTubeTractorman44
2:10
TROX FLEXTRO - Flexible plenum box
6.7K viewsJul 8, 2011
YouTubetroxgroup
3:25
Installing the Main Supply Plenum
36.8K viewsOct 17, 2011
YouTubeIngenious Air
6:34
Residential Ductwork : HVAC Duct Design Basics
176.5K viewsFeb 7, 2020
YouTubeHVAC Bee
1:43
Ducting Plenum Box Installing 11000mm
4K viewsAug 11, 2020
YouTubeMechanical Overseas Channal
5:35
PLENUM BOX SIZING || HVAC || MEP || REFRIGERATION
17.4K viewsJul 31, 2020
YouTubeDG Tech
1:25
The Role of the AC Plenum
35.2K viewsJun 12, 2020
YouTubeTexas Home Improvement
16:43
Furnace Return Air Plenum Fabrication
59.8K viewsDec 12, 2019
YouTubeTractorman44
9:33
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7.4K viewsDec 15, 2020
YouTubeThe Universal
2:10
New Install- Making the Plenums
52.5K viewsAug 8, 2019
YouTubeSuperior Services
See more videos
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Shop plenum boxes

Sponsored
About our ads
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
2
Free shipping
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
$411.25
Raco 165Pl 4 Octagon Plenum Box 2-1/8 Deep 1/2-3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$411.25
Raco 165Pl 4 Octagon Plenum Box 2-1/8 Deep 1/2-3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$327.50
Raco 259Pl 4-11/16" Plenum Box 1-1/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$327.50
Raco 259Pl 4-11/16" Plenum Box 1-1/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$169.99
Buildmart - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling
Walmart
Free shipping
$169.99
Buildmart - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling
Walmart
$8.69
Garvin 54151-Vt 4" Chicago Plenum Air Tight Octagon Box 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$8.69
Garvin 54151-Vt 4" Chicago Plenum Air Tight Octagon Box 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$251.25
Raco 258Pl 4-11/16" Plenum Box 1 Ko
New Feedonomics Feed - ARC 8/12/2025
$251.25
Raco 258Pl 4-11/16" Plenum Box 1 Ko
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 264Pl 4-11/16" Plenum Box 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 264Pl 4-11/16" Plenum Box 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$20.99
$25.19
Appleton™ 4SPD 4 in SQ 2-1/8 DEEP PLENUM BOX
Remote Site Products
16% off
$20.99
$25.19
Appleton™ 4SPD 4 in SQ 2-1/8 DEEP PLENUM BOX
Remote Site Products
$206.25
Raco 257Pl 4-11/16" Plenum Box 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$206.25
Raco 257Pl 4-11/16" Plenum Box 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$782.50
Raco 125Pl 4 Octagon Plenum Box 1-1/2" Deep 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$782.50
Raco 125Pl 4 Octagon Plenum Box 1-1/2" Deep 1/2" Ko
New Feedonomics Feed - ARC 8/12/2025
$2.89
Garvin 54171-Svt 4" Chicago Plenum Air Tight Octagon Box 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$2.89
Garvin 54171-Svt 4" Chicago Plenum Air Tight Octagon Box 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 265Pl 4-11/16" Plenum Box 3/4-1 Ko
New Feedonomics Feed - ARC 8/12/2025
$247.50
Raco 265Pl 4-11/16" Plenum Box 3/4-1 Ko
New Feedonomics Feed - ARC 8/12/2025
$201.25
Raco 231Pl 4" Square Plenum Box 2-1/8 Deep 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$201.25
Raco 231Pl 4" Square Plenum Box 2-1/8 Deep 3/4" Ko
New Feedonomics Feed - ARC 8/12/2025
$140.00
Raco 239 4" Square 2-1/8D Plenum Box
New Feedonomics Feed - ARC 8/12/2025
229
$140.00
Raco 239 4" Square 2-1/8D Plenum Box
New Feedonomics Feed - ARC 8/12/2025
$6.09
Garvin 52171-1-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 1" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$6.09
Garvin 52171-1-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 1" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.39
Garvin 72171-1-Vt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.39
Garvin 72171-1-Vt 4-11/16" Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.09
Garvin 52171-3/4-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.09
Garvin 52171-3/4-Vt 4" Sq Chicago Plenum Air Tight Junction Box Drawn 2-1/8" Deep (8) 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.19
Garvin 52171-Svt 4" Sq Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1/2" & 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025
$3.19
Garvin 52171-Svt 4" Sq Chicago Plenum Air Tight Junction Box 2-1/8" Deep 1/2" & 3/4" Side Ko's
New Feedonomics Feed - ARC 8/12/2025