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  1. Home
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  5. Pipes, Valves & Fittings
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  9. Vent Valves
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Vent Valves (160 items)

Watts Automatic Air Vent Valve, 1/2 In, Brass FV-4M1- 1/2
Watts

Automatic Air Vent Valve, 1/2 In, Brass

Zoro # G5314723
Mfr # FV-4M1- 1/2
product price:  $39.79
/ea
Watts Automatic Air Vent Valve, 3/4 In, Brass FV-4M1- 3/4
Watts

Automatic Air Vent Valve, 3/4 In, Brass

Zoro # G5314757
Mfr # FV-4M1- 3/4
product price:  $48.19
/ea
Watts Automatic Vent Valve, 1/4 in. NPT FV-4-1/4
Watts

Automatic Vent Valve, 1/4 in. NPT

Zoro # G2558306
Mfr # FV-4-1/4
product price:  $20.75
/ea
Maid-O-Mist No  75 Auto Vent # 75 Auto Vent
Maid-O-Mist

No 75 Auto Vent

Zoro # G2709608
Mfr # # 75 Auto Vent
product price:  $56.55
/ea
Watts Auto Dual Air Vent, Hot And Cold, 1/8 In 1/8 DUO-VENT NPT
Watts

Auto Dual Air Vent, Hot And Cold, 1/8 In

Zoro # G3039757
Mfr # 1/8 DUO-VENT NPT
product price:  $21.59
/ea
Watts Air Seperator, 1 In, Iron AS-M1- 1
Watts

Air Seperator, 1 In, Iron

Zoro # G5314732
Mfr # AS-M1- 1
product price:  $29.99
/ea
Maid-O-Mist Jacobus No 4 1/8 Angle Jacobus #4 1/8 Angle
Maid-O-Mist

Jacobus No 4 1/8 Angle

Zoro # G2709477
Mfr # Jacobus #4 1/8 Angle
product price:  $17.25
/ea
Oatey Air Admittance Valve, 1-1/2in-2in, 20DFU 39016
Oatey

Air Admittance Valve, 1-1/2in-2in, 20DFU

Zoro # G0704588
Mfr # 39016
product price:  $27.15
/ea
Maid-O-Mist No 67 Auto Vent #67 Auto Vent
Maid-O-Mist

No 67 Auto Vent

Zoro # G2709949
Mfr # #67 Auto Vent
product price:  $18.99
/ea
Maid-O-Mist Jacobus No 5 1/8" Angle Jacobus #5 1/8" Angle
Maid-O-Mist

Jacobus No 5 1/8" Angle

Zoro # G2709571
Mfr # Jacobus #5 1/8" Angle
product price:  $17.25
/ea
Watts Automatic Vent Valve, 1/8 in. NPT FV-4-1/8
Watts

Automatic Vent Valve, 1/8 in. NPT

Zoro # G2377313
Mfr # FV-4-1/8
product price:  $20.69
/ea
Watts Air Seperator, 1-1/4 In, Iron AS-M1- 1-1/4
Watts

Air Seperator, 1-1/4 In, Iron

Zoro # G5314714
Mfr # AS-M1- 1-1/4
product price:  $30.19
/ea
Watts Steam Vent Valve, Non-Adj, Straight, 3/4 In 3/4 SVS 3 3/4mipx1/2fip
Watts

Steam Vent Valve, Non-Adj, Straight, 3/4 In

Zoro # G1883445
Mfr # 3/4 SVS 3 3/4mipx1/2fip
product price:  $45.19
/ea
Watts Dual Check with Atmospheric Vent LFN9-3/8"
Watts

Dual Check with Atmospheric Vent

Zoro # G7239793
Mfr # LFN9-3/8"
product price:  $288.37
/ea
Watts Automatic Air Vent Valve, 1 In, Brass FV-4M1- 1
Watts

Automatic Air Vent Valve, 1 In, Brass

Zoro # G5314741
Mfr # FV-4M1- 1
product price:  $43.89
/ea
Maid-O-Mist No 71 Auto Vent #71 Auto Vent
Maid-O-Mist

No 71 Auto Vent

Zoro # G2709398
Mfr # #71 Auto Vent
product price:  $41.39
/ea
Maid-O-Mist No  7 AutoVent Maid O Mist # 7 AutoVent Maid O Mist
Maid-O-Mist

No 7 AutoVent Maid O Mist

Zoro # G2709818
Mfr # # 7 AutoVent Maid O Mist
product price:  $37.99
/ea
Oatey Air Admittance Valve, 2in-3in, 160 DFU 39220
Oatey

Air Admittance Valve, 2in-3in, 160 DFU

Zoro # G0704579
Mfr # 39220
product price:  $26.45
/ea
Maid-O-Mist No  74 Auto Vent MOM # 74 Auto Vent MOM
Maid-O-Mist

No 74 Auto Vent MOM

Zoro # G2709538
Mfr # # 74 Auto Vent MOM
product price:  $37.85
/ea
Oatey Air Admittance Valve, 3in-4in, 500 DFU 39223
Oatey

Air Admittance Valve, 3in-4in, 500 DFU

Zoro # G0704560
Mfr # 39223
product price:  $37.07
/ea
Spence Automatic Vent Valve, Air, 3/4 In NPT NAV-213
Spence

Automatic Vent Valve, Air, 3/4 In NPT

Zoro # G1851272
Mfr # NAV-213
product price:  $407.99
/ea
Maid-O-Mist Jacobus No C, 1/8" Angle Jacobus #C 1/8" Angle
Maid-O-Mist

Jacobus No C, 1/8" Angle

Zoro # G2709547
Mfr # Jacobus #C 1/8" Angle
product price:  $17.25
/ea
Oatey Plain In-Line Vent, ABS 39012
Oatey

Plain In-Line Vent, ABS

Zoro # G0704597
Mfr # 39012
product price:  $7.65
/ea
Watts Dual Check with Atmospheric Vent LFNLF9
Watts

Dual Check with Atmospheric Vent

Zoro # G6458112
Mfr # LFNLF9
product price:  $185.63
/ea
Watts Automatic Vent For Hot Water, 1/8In, Brass HAV- 1/8
Watts

Automatic Vent For Hot Water, 1/8In, Brass

Zoro # G5305194
Mfr # HAV- 1/8
product price:  $11.09
/ea
Watts Automatic Vent For Hot Water, 1/4In, Brass HAV- 1/4
Watts

Automatic Vent For Hot Water, 1/4In, Brass

Zoro # G5314592
Mfr # HAV- 1/4
product price:  $10.39
/ea
Maid-O-Mist #68 Auto Vent MOM #68 Auto Vent MOM
Maid-O-Mist

#68 Auto Vent MOM

Zoro # G2709772
Mfr # #68 Auto Vent MOM
product price:  $23.19
/ea
Maid-O-Mist Jacobus No 6 1/4" Straight Jacobus #6 1/4" Straight
Maid-O-Mist

Jacobus No 6 1/4" Straight

Zoro # G2709766
Mfr # Jacobus #6 1/4" Straight
product price:  $16.99
/ea
Hayward Flow Control Air Release Valve, 3/4", PVC/FPM, PP Ball, S/T AR10075ST
Hayward Flow Control

Air Release Valve, 3/4", PVC/FPM, PP Ball, S/T

Zoro # G1886981
Mfr # AR10075ST
product price:  $306.99
/ea
No Product Image Available
Watts

Automatic Vent Valve, 33-240F, 150, 1/4"

Zoro # G9548493
Mfr # 0590716
product price:  $26.45
/ea
Oatey Sure-Vent 1-1/2 in. PVC Air Admittance Valve - 20 DFU Branch, 8 DFU Stack 39230
Oatey

Sure-Vent 1-1/2 in. PVC Air Admittance Valve - 20 DFU Branch, 8 DFU Stack

Zoro # G310029705
Mfr # 39230
product price:  $70.23
/ea
Watts Dual Check with Atmospheric Vent LFN9C-1/4"
Watts

Dual Check with Atmospheric Vent

Zoro # G6889312
Mfr # LFN9C-1/4"
product price:  $152.99
/ea
Caleffi Na29284 Shut-Off Air Vent Valve NA29284
Caleffi

Na29284 Shut-Off Air Vent Valve

Zoro # G6026378
Mfr # NA29284
product price:  $51.25
/ea
Maid-O-Mist Jacobus #1 Main Vent 3/4M and 1/2 female Connection Jacobus #1 Main Vent 3/4M and 1/2 femaleConnection
Maid-O-Mist

Jacobus #1 Main Vent 3/4M and 1/2 female Connection

Zoro # G2709781
Mfr # Jacobus #1 Main Vent 3/4M and 1/2 femaleConnection
product price:  $34.15
/ea
Hoffman 78 3/4" Water Vent 150 Psi 250F 78
Hoffman

78 3/4" Water Vent 150 Psi 250F

Zoro # G6940465
Mfr # 78
product price:  $457.99
/ea
Maid O Mist 1/8 In. Angle Radiator Steam Vent #5-1/8" ANGLE
Maid O Mist

1/8 In. Angle Radiator Steam Vent

Zoro # G816285858
Mfr # #5-1/8" ANGLE
product price:  $38.99
/ea
Vent Valves (160 items)
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About Vent Valves

Vent Valves are plumbing components that regulate the flow of air in a ventilation system. They come in various sizes and configurations to suit different needs and allow for the proper flow of air in a variety of applications.

Types of Vent Valves

Vent Valves can be made from PVC, metal, or other materials depending on the application. Plumbing vent valves are typically used for indoor applications such as bathrooms, kitchens, or laundry rooms while pvc air vent valves are more commonly used outdoors. Ventilation air valves and ventilation valves may also differ based on their intended purpose.

How Vent Valves are Made

Vent Valves must be constructed with precision to ensure they function properly. Many times they are built with specialized materials such as stainless steel and/or plastic compounds that can withstand extreme temperatures or harsh environments.

Industries that use Vent Valves

Vent Valves are commonly used by plumbers, HVAC technicians, engineers, and other professionals who specialize in ventilation systems. These professionals rely on vent valves to control airflow within a building or structure for safety reasons as well as comfort.

Find the Vent Valves You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

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8” b ventair valve pvcair admittance valveair filter /seperatorair separator
1/8 air vent3/4 in. brassair seperator8" vent cap67 air vent

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