Shop Check Valve Plumbing

Sponsored
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$75.00
Check Valve, Tube Pocket, 1/4" ID (6.477 Mm), 0.370" OD (9.398 Mm), Quantity 25/Bag, By Resenex
Chamfr
$75.00
Check Valve, Tube Pocket, 1/4" ID (6.477 Mm), 0.370" OD (9.398 Mm), Quantity 25/Bag, By Resenex
Chamfr
$65.17
Parker Check Valve: 3/4" Pipe, Brass - Check Valve | Part 216PCKP-12
MSC Direct
$65.17
Parker Check Valve: 3/4" Pipe, Brass - Check Valve | Part 216PCKP-12
MSC Direct
$36.67
Legend Valve Check Valve: 1/2" Pipe - FNPT X FNPT | Part 105-443
MSC Direct
$36.67
Legend Valve Check Valve: 1/2" Pipe - FNPT X FNPT | Part 105-443
MSC Direct
$31.10
Legend Valve Check Valve: 1-1/4" Pipe - FNPT X FNPT | Part 105-106
MSC Direct
$31.10
Legend Valve Check Valve: 1-1/4" Pipe - FNPT X FNPT | Part 105-106
MSC Direct
$70.99
Midline Valve 372U422 Inline Spring Loaded Check Valve, Backflow Prevention Lead-Free, 2 in. FIP Connections, Cast Brass, 2
Amazon.com
120
Free shipping
$70.99
Midline Valve 372U422 Inline Spring Loaded Check Valve, Backflow Prevention Lead-Free, 2 in. FIP Connections, Cast Brass, 2
Amazon.com
$59.95
Knight Multi-Flow Check Valve, 1/4" NPT X 1/2" Barb With Hastelloy Spring, PTFE Ball And Viton Oring, Gray Body Ball And Viton O
Worldwide Janitor
$59.95
Knight Multi-Flow Check Valve, 1/4" NPT X 1/2" Barb With Hastelloy Spring, PTFE Ball And Viton Oring, Gray Body Ball And Viton O
Worldwide Janitor
$58.57
Parker 030470099 Check Valve - 3047 Series (Male To Male) - 030470099
Distranet Direct
$58.57
Parker 030470099 Check Valve - 3047 Series (Male To Male) - 030470099
Distranet Direct
$534.99
$775.00
Zurn Elkay 1-950XLT2 1" Double Check Valve Backflow Preventer With Top Access Check Covers
WebstaurantStore
14
30% off
$534.99
$775.00
Zurn Elkay 1-950XLT2 1" Double Check Valve Backflow Preventer With Top Access Check Covers
WebstaurantStore
$25.99
1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
Amazon.com
39
$25.99
1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
Amazon.com
$43.89
Bendix Sc-3 - 1/2" Male - Female Brass Single Check Valve | Sc-3 Sgl Check Valve (1/2" Fpt-1/2" Mpt) | 800372
FleetPride
3
$43.89
Bendix Sc-3 - 1/2" Male - Female Brass Single Check Valve | Sc-3 Sgl Check Valve (1/2" Fpt-1/2" Mpt) | 800372
FleetPride
$137.09
Check Valve: Piston, Inline Valve Body, 1 1/2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01112
Grainger
$137.09
Check Valve: Piston, Inline Valve Body, 1 1/2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01112
Grainger
$45.99
PVC True Union Check Valve, 2'' Slip Swing Full Port Utility, Sch80 Socket Pool Ball For Backflow Prevention
Amazon.com
71
Free shipping
$45.99
PVC True Union Check Valve, 2'' Slip Swing Full Port Utility, Sch80 Socket Pool Ball For Backflow Prevention
Amazon.com
$189.73
Hayward Check Valve: Ball, Inline Valve Body, PVC, 2 in Pipe Size, True Union Socket/NPT, Std, EPDM Model: TC10200STE
Grainger
1
$189.73
Hayward Check Valve: Ball, Inline Valve Body, PVC, 2 in Pipe Size, True Union Socket/NPT, Std, EPDM Model: TC10200STE
Grainger
$33.86
Zoeller Full Flow Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC Model: 30-0040
Grainger
9
$33.86
Zoeller Full Flow Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC Model: 30-0040
Grainger
$258.49
$607.00
Zurn Elkay 1-950XL 1" Wye Pattern Double Check Valve Backflow Preventer
WebstaurantStore
8
57% off
$258.49
$607.00
Zurn Elkay 1-950XL 1" Wye Pattern Double Check Valve Backflow Preventer
WebstaurantStore
$43.79
Bendix Single Straight (Brass) Check Valve | Sc-3 Sgl Check Valve (3/8" Fpt-3/8" Mpt) | 800373
FleetPride
$43.79
Bendix Single Straight (Brass) Check Valve | Sc-3 Sgl Check Valve (3/8" Fpt-3/8" Mpt) | 800373
FleetPride
$69.83
Campbell's Check Valve 1-1/4" D X 1-1/4" D FNPT Red Brass Spring Loaded CVB-5TLF
DkHardware.com
4
$69.83
Campbell's Check Valve 1-1/4" D X 1-1/4" D FNPT Red Brass Spring Loaded CVB-5TLF
DkHardware.com
$167.58
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
40
48% off
$167.58
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
$78.99
Waterway Check Valve, 2"Socket X 2 1/2"SPG, Straight Body 600-7010
PoolZoom.com
3
$78.99
Waterway Check Valve, 2"Socket X 2 1/2"SPG, Straight Body 600-7010
PoolZoom.com
$62.92
LEGEND VALVE Check Valve: 1" Pipe 105-465
DkHardware.com
1
$62.92
LEGEND VALVE Check Valve: 1" Pipe 105-465
DkHardware.com
$214.75
Lafferty Check Valve, Check-All, 316SS, 3/4", FF, EPDM
Worldwide Janitor
$214.75
Lafferty Check Valve, Check-All, 316SS, 3/4", FF, EPDM
Worldwide Janitor
$65.43
LEGEND VALVE Check Valve: 1" Pipe 105-445
DkHardware.com
$65.43
LEGEND VALVE Check Valve: 1" Pipe 105-445
DkHardware.com
$50.99
Sealco 1/2" X 2.75" One Way Check Valve | 1-Way Check Valve | 102001/2
FleetPride
$50.99
Sealco 1/2" X 2.75" One Way Check Valve | 1-Way Check Valve | 102001/2
FleetPride
$26.00
Stenner BC014-1 Injection Back Check Valve, Viton Seals, Ceramic Ball, Tantalum Spring
Cannon Water Technology
$26.00
Stenner BC014-1 Injection Back Check Valve, Viton Seals, Ceramic Ball, Tantalum Spring
Cannon Water Technology
$31.89
Dewalt 5140119-21 Check Valve
eReplacementParts
$31.89
Dewalt 5140119-21 Check Valve
eReplacementParts
$36.30
U8800705 Injection Back Check Valve, 3/8" Inch Tube, 1/4 Inch MNPT
Cannon Water Technology
$36.30
U8800705 Injection Back Check Valve, 3/8" Inch Tube, 1/4 Inch MNPT
Cannon Water Technology
$31.44
NDS - 1520-15 - 1-1/2' PVC Swing Check Valve
Cheap Sprinklers
2
$31.44
NDS - 1520-15 - 1-1/2' PVC Swing Check Valve
Cheap Sprinklers
$15.18
Stainless Steel Spring Check Valve - 1/4" Up To 3" NPT | Electric Solenoid Valves
Electric Solenoid Valves
$15.18
Stainless Steel Spring Check Valve - 1/4" Up To 3" NPT | Electric Solenoid Valves
Electric Solenoid Valves
$292.68
Bradley S60-003 Stop-Strainer & Check Valve | Bradley Commercial Restroom Repair Parts | Totalrestroom.Com
Total Restroom
1
$292.68
Bradley S60-003 Stop-Strainer & Check Valve | Bradley Commercial Restroom Repair Parts | Totalrestroom.Com
Total Restroom
$38.49
Seafit Bronze Check Valve 3/4" NPT | By West Marine
WestMarine
$38.49
Seafit Bronze Check Valve 3/4" NPT | By West Marine
WestMarine
$1.95
3/4 in. Schedule 40 PVC In-Line Spring Check Valve W/Female-Threaded FPT Connection For Schedule-40 Fitting
247Garden
$1.95
3/4 in. Schedule 40 PVC In-Line Spring Check Valve W/Female-Threaded FPT Connection For Schedule-40 Fitting
247Garden
$15.75
One-Way Check Valve | 1/2 NPT
TruckSpring
$15.75
One-Way Check Valve | 1/2 NPT
TruckSpring
$31.48
Zoeller Pro Sump Check Valve 1-1/4 in X 1-1/2 in One_Size | 1030-0181
Lowe's
133
$31.48
Zoeller Pro Sump Check Valve 1-1/4 in X 1-1/2 in One_Size | 1030-0181
Lowe's
$43.00
Flo Control 1-1/2" Slip 1/2 Lb Check Valve 1011-15 Check Valves
SpaCare
1
$43.00
Flo Control 1-1/2" Slip 1/2 Lb Check Valve 1011-15 Check Valves
SpaCare
$19.58
Stainless Steel Swing Check Valve - 1/2" Up To 2" NPT | Electric Solenoid Valves
Electric Solenoid Valves
$19.58
Stainless Steel Swing Check Valve - 1/2" Up To 2" NPT | Electric Solenoid Valves
Electric Solenoid Valves
$612.85
Henny Penny 152165 8.75 Inch Assembly Check Valve Plumbing Lvg20x With Durability | OEM | Commercial Restaurant Supply
RestaurantSupply.com
$612.85
Henny Penny 152165 8.75 Inch Assembly Check Valve Plumbing Lvg20x With Durability | OEM | Commercial Restaurant Supply
RestaurantSupply.com
Check Valve Installation and Removal Instructions
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Check Valve Installation and Removal Instructions
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YouTubeFranklinWater
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YouTubeDFT Inc. - Check & Control Valve Manufacturer
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YouTubePlumbing Explained
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YouTubePlumbing DIY Daily
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15.8K viewsApr 21, 2016
YouTubePVCFittingsOnline
13:14
Check Valve: How it Works, Types, Failure (Explained)
Sep 29, 2021
homeinspectioninsider.com
0:34
Why Check Valves Slam and What To Do About It
4 months ago
craneengineering.net
7:31
Installing a Watts 3/4” Double Check Valve | Backflow Prevention Done Right!
12.3K viewsApr 10, 2025
YouTubeMikey Pipes - Pipe Doctor Plumbing & Heating …
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| What is Piping
Aug 28, 2020
whatispiping.com
2:54
How Does A Plumbing Check Valve Work In Hot Water Recirculation? - Plumbing DIY Daily
10 views8 months ago
YouTubePlumbing DIY Daily
0:40
Understanding How a Check Valve Works in Plumbing
31.8K viewsJul 11, 2024
TikTokboshart_industries
1:36
Check valve working animation
92.8K viewsApr 26, 2022
YouTubeEng Pi π
1:16
How to Use SharkBite Brass Check Valves
48.2K viewsAug 18, 2011
YouTubeSharkBite Plumbing
3:05
How to Install a Check-All® Flange Insert Check Valve
7K viewsJun 23, 2020
YouTubeCTi Controltech
12:13
HOW TO INSTALL A SUMP PUMP // DIY Check Valve
20.1K viewsNov 4, 2017
YouTubeBYOT
4:42
Check Valves: Various Types & How To Install | How To Tuesday
156.2K viewsFeb 17, 2015
YouTubeBRStv - Saltwater Aquariums & Reef Tanks
2:44
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289 views5 months ago
YouTubePlumbing DIY Daily
4:39
ATLANTIC DRAIN ~ Howto Remove / Install SUMP PUMP & Check Valve
69K viewsApr 20, 2013
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0:44
Check Valve How it works?
219K viewsMar 22, 2018
YouTubeTechnical Engineering School
1:43
How Do Check Valves Work? | Spec. Sense
315.7K viewsMay 9, 2019
YouTubeAMRE Supply
13:31
Check valves - How they Work!
88K viewsApr 12, 2020
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0:19
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10 Things to Know About Check Valves
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YouTubeDFT Inc. - Check & Control Valve Manufacturer
4:46
4 Inch Check Valve For Home Sewers Explained
63.9K viewsMar 7, 2023
YouTubeBalkan Sewer & Water Main Service
8:28
Sump Pump Check Valve Replacement/Installation (Zoeller) EASY | How To
11.8K viewsNov 27, 2022
YouTubeHomeProjects
3:51
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124.5K viewsApr 12, 2017
YouTubeJohn's Crafting Lab
9:40
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14.1K viewsJun 19, 2022
YouTubeJoe's Garage
See more

Shop Check Valve Plumbing

Sponsored
About our ads
$45.99
PVC True Union Check Valve, 2'' Slip Swing Full Port Utility, Sch80 Socket Pool Ball For Backflow Prevention
Amazon.com
71
Free shipping
$45.99
PVC True Union Check Valve, 2'' Slip Swing Full Port Utility, Sch80 Socket Pool Ball For Backflow Prevention
Amazon.com
$189.73
Hayward Check Valve: Ball, Inline Valve Body, PVC, 2 in Pipe Size, True Union Socket/NPT, Std, EPDM Model: TC10200STE
Grainger
1
$189.73
Hayward Check Valve: Ball, Inline Valve Body, PVC, 2 in Pipe Size, True Union Socket/NPT, Std, EPDM Model: TC10200STE
Grainger
$33.86
Zoeller Full Flow Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC Model: 30-0040
Grainger
9
$33.86
Zoeller Full Flow Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC Model: 30-0040
Grainger
$258.49
$607.00
Zurn Elkay 1-950XL 1" Wye Pattern Double Check Valve Backflow Preventer
WebstaurantStore
8
57% off
$258.49
$607.00
Zurn Elkay 1-950XL 1" Wye Pattern Double Check Valve Backflow Preventer
WebstaurantStore
$43.79
Bendix Single Straight (Brass) Check Valve | Sc-3 Sgl Check Valve (3/8" Fpt-3/8" Mpt) | 800373
FleetPride
$43.79
Bendix Single Straight (Brass) Check Valve | Sc-3 Sgl Check Valve (3/8" Fpt-3/8" Mpt) | 800373
FleetPride
$69.83
Campbell's Check Valve 1-1/4" D X 1-1/4" D FNPT Red Brass Spring Loaded CVB-5TLF
DkHardware.com
4
$69.83
Campbell's Check Valve 1-1/4" D X 1-1/4" D FNPT Red Brass Spring Loaded CVB-5TLF
DkHardware.com
$167.58
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
40
48% off
$167.58
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
$78.99
Waterway Check Valve, 2"Socket X 2 1/2"SPG, Straight Body 600-7010
PoolZoom.com
3
$78.99
Waterway Check Valve, 2"Socket X 2 1/2"SPG, Straight Body 600-7010
PoolZoom.com
$62.92
LEGEND VALVE Check Valve: 1" Pipe 105-465
DkHardware.com
1
$62.92
LEGEND VALVE Check Valve: 1" Pipe 105-465
DkHardware.com
$214.75
Lafferty Check Valve, Check-All, 316SS, 3/4", FF, EPDM
Worldwide Janitor
$214.75
Lafferty Check Valve, Check-All, 316SS, 3/4", FF, EPDM
Worldwide Janitor
$65.43
LEGEND VALVE Check Valve: 1" Pipe 105-445
DkHardware.com
$65.43
LEGEND VALVE Check Valve: 1" Pipe 105-445
DkHardware.com
$50.99
Sealco 1/2" X 2.75" One Way Check Valve | 1-Way Check Valve | 102001/2
FleetPride
$50.99
Sealco 1/2" X 2.75" One Way Check Valve | 1-Way Check Valve | 102001/2
FleetPride
$26.00
Stenner BC014-1 Injection Back Check Valve, Viton Seals, Ceramic Ball, Tantalum Spring
Cannon Water Technology
$26.00
Stenner BC014-1 Injection Back Check Valve, Viton Seals, Ceramic Ball, Tantalum Spring
Cannon Water Technology
$31.89
Dewalt 5140119-21 Check Valve
eReplacementParts
$31.89
Dewalt 5140119-21 Check Valve
eReplacementParts
$36.30
U8800705 Injection Back Check Valve, 3/8" Inch Tube, 1/4 Inch MNPT
Cannon Water Technology
$36.30
U8800705 Injection Back Check Valve, 3/8" Inch Tube, 1/4 Inch MNPT
Cannon Water Technology
$31.44
NDS - 1520-15 - 1-1/2' PVC Swing Check Valve
Cheap Sprinklers
2
$31.44
NDS - 1520-15 - 1-1/2' PVC Swing Check Valve
Cheap Sprinklers
$15.18
Stainless Steel Spring Check Valve - 1/4" Up To 3" NPT | Electric Solenoid Valves
Electric Solenoid Valves
$15.18
Stainless Steel Spring Check Valve - 1/4" Up To 3" NPT | Electric Solenoid Valves
Electric Solenoid Valves
$292.68
Bradley S60-003 Stop-Strainer & Check Valve | Bradley Commercial Restroom Repair Parts | Totalrestroom.Com
Total Restroom
1
$292.68
Bradley S60-003 Stop-Strainer & Check Valve | Bradley Commercial Restroom Repair Parts | Totalrestroom.Com
Total Restroom

Shop Check Valve Plumbing

Sponsored
About our ads
$75.00
Check Valve, Tube Pocket, 1/4" ID (6.477 Mm), 0.370" OD (9.398 Mm), Quantity 25/Bag, By Resenex
Chamfr
$75.00
Check Valve, Tube Pocket, 1/4" ID (6.477 Mm), 0.370" OD (9.398 Mm), Quantity 25/Bag, By Resenex
Chamfr
$65.17
Parker Check Valve: 3/4" Pipe, Brass - Check Valve | Part 216PCKP-12
MSC Direct
$65.17
Parker Check Valve: 3/4" Pipe, Brass - Check Valve | Part 216PCKP-12
MSC Direct
$36.67
Legend Valve Check Valve: 1/2" Pipe - FNPT X FNPT | Part 105-443
MSC Direct
$36.67
Legend Valve Check Valve: 1/2" Pipe - FNPT X FNPT | Part 105-443
MSC Direct
$31.10
Legend Valve Check Valve: 1-1/4" Pipe - FNPT X FNPT | Part 105-106
MSC Direct
$31.10
Legend Valve Check Valve: 1-1/4" Pipe - FNPT X FNPT | Part 105-106
MSC Direct
$70.99
Midline Valve 372U422 Inline Spring Loaded Check Valve, Backflow Prevention Lead-Free, 2 in. FIP Connections, Cast Brass, 2
Amazon.com
120
Free shipping
$70.99
Midline Valve 372U422 Inline Spring Loaded Check Valve, Backflow Prevention Lead-Free, 2 in. FIP Connections, Cast Brass, 2
Amazon.com
$59.95
Knight Multi-Flow Check Valve, 1/4" NPT X 1/2" Barb With Hastelloy Spring, PTFE Ball And Viton Oring, Gray Body Ball And Viton O
Worldwide Janitor
$59.95
Knight Multi-Flow Check Valve, 1/4" NPT X 1/2" Barb With Hastelloy Spring, PTFE Ball And Viton Oring, Gray Body Ball And Viton O
Worldwide Janitor
$58.57
Parker 030470099 Check Valve - 3047 Series (Male To Male) - 030470099
Distranet Direct
$58.57
Parker 030470099 Check Valve - 3047 Series (Male To Male) - 030470099
Distranet Direct
$534.99
$775.00
Zurn Elkay 1-950XLT2 1" Double Check Valve Backflow Preventer With Top Access Check Covers
WebstaurantStore
14
30% off
$534.99
$775.00
Zurn Elkay 1-950XLT2 1" Double Check Valve Backflow Preventer With Top Access Check Covers
WebstaurantStore
$25.99
1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
Amazon.com
39
$25.99
1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
Amazon.com
$43.89
Bendix Sc-3 - 1/2" Male - Female Brass Single Check Valve | Sc-3 Sgl Check Valve (1/2" Fpt-1/2" Mpt) | 800372
FleetPride
3
$43.89
Bendix Sc-3 - 1/2" Male - Female Brass Single Check Valve | Sc-3 Sgl Check Valve (1/2" Fpt-1/2" Mpt) | 800372
FleetPride
$137.09
Check Valve: Piston, Inline Valve Body, 1 1/2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01112
Grainger
$137.09
Check Valve: Piston, Inline Valve Body, 1 1/2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01112
Grainger
$45.99
PVC True Union Check Valve, 2'' Slip Swing Full Port Utility, Sch80 Socket Pool Ball For Backflow Prevention
Amazon.com
71
Free shipping
$45.99
PVC True Union Check Valve, 2'' Slip Swing Full Port Utility, Sch80 Socket Pool Ball For Backflow Prevention
Amazon.com
$189.73
Hayward Check Valve: Ball, Inline Valve Body, PVC, 2 in Pipe Size, True Union Socket/NPT, Std, EPDM Model: TC10200STE
Grainger
1
$189.73
Hayward Check Valve: Ball, Inline Valve Body, PVC, 2 in Pipe Size, True Union Socket/NPT, Std, EPDM Model: TC10200STE
Grainger
$33.86
Zoeller Full Flow Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC Model: 30-0040
Grainger
9
$33.86
Zoeller Full Flow Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC Model: 30-0040
Grainger
$258.49
$607.00
Zurn Elkay 1-950XL 1" Wye Pattern Double Check Valve Backflow Preventer
WebstaurantStore
8
57% off
$258.49
$607.00
Zurn Elkay 1-950XL 1" Wye Pattern Double Check Valve Backflow Preventer
WebstaurantStore
$43.79
Bendix Single Straight (Brass) Check Valve | Sc-3 Sgl Check Valve (3/8" Fpt-3/8" Mpt) | 800373
FleetPride
$43.79
Bendix Single Straight (Brass) Check Valve | Sc-3 Sgl Check Valve (3/8" Fpt-3/8" Mpt) | 800373
FleetPride
$69.83
Campbell's Check Valve 1-1/4" D X 1-1/4" D FNPT Red Brass Spring Loaded CVB-5TLF
DkHardware.com
4
$69.83
Campbell's Check Valve 1-1/4" D X 1-1/4" D FNPT Red Brass Spring Loaded CVB-5TLF
DkHardware.com
$167.58
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
40
48% off
$167.58
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore