FaucetsAir ToolsAmerican StandardBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBreakers, Distributors, and Load CentersGuttering & DrainageHVAC Ducting and VentilationMechanics ToolsPipes, Fittings & AccessoriesPower Tool AccessoriesPower ToolsShop Plumbing BrandsShop Plumbing by FixtureValves & Valve RepairWater Heaters, Pumps & Tanks
Sort by|
FaucetsAir ToolsAmerican StandardBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBreakers, Distributors, and Load CentersGuttering & DrainageHVAC Ducting and VentilationMechanics ToolsPipes, Fittings & AccessoriesPower Tool AccessoriesPower ToolsShop Plumbing BrandsShop Plumbing by FixtureValves & Valve RepairWater Heaters, Pumps & Tanks
Flow Check(42)
Uses item details. Price when purchased online
Inline Check Valve w/ 1/4" Quick Connect Push Connect Fittings for Reverse Osmosis Systems $16.99
Sponsored
$1699
current price $16.99Inline Check Valve w/ 1/4" Quick Connect Push Connect Fittings for Reverse Osmosis Systems
DANSPEED 1-1/2" 1.5 inch Stainless Steel Vertical Check Valve NPT Spring Loaded In-line From $12.49
Sponsored
From$1249
DANSPEED 1-1/2" 1.5 inch Stainless Steel Vertical Check Valve NPT Spring Loaded In-line
25 out of 5 Stars. 2 reviews
1Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” IG TO AG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines From $18.04
Sponsored
From$1804
1Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” IG TO AG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines
2Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” AG TO IG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines From $18.99
Sponsored
From$1899
2Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” AG TO IG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines
Taco 223-5 2 Cast Iron Flow Check $243.82
$24382
current price $243.82Taco 223-5 2 Cast Iron Flow Check
Taco 0012-021RP REPLCmount INTERNAL FLOW CHECK $43.46
$4346
current price $43.46Taco 0012-021RP REPLCmount INTERNAL FLOW CHECK
Watts Bronze Female Two Way Universal Flow Check Valve - 1-in - # 29465 $38.88 Was $48.98
Now$3888
current price Now $38.88, Was $48.98$48.98
Watts Bronze Female Two Way Universal Flow Check Valve - 1-in - # 29465
0.5 in. Fnpt Excess Flow Check Valve, Metallic $169.55
$16955
current price $169.550.5 in. Fnpt Excess Flow Check Valve, Metallic
Miller Smith H698 Regulator Mount Reverse Flow Check Valves 1 Pair $52.93
$5293
current price $52.93Miller Smith H698 Regulator Mount Reverse Flow Check Valves 1 Pair
taco 220-6 1" ips cast iron flow check valve taco 1" flo-chek valve $79.36
$7936
current price $79.36taco 220-6 1" ips cast iron flow check valve taco 1" flo-chek valve
Groco CV Bronze In-Line Check Valve $30.70
Sponsored
$3070
current price $30.70Groco CV Bronze In-Line Check Valve
Sensor Valve 595926 Compatible with Watts & Grundfos up Series Hot Water Recirculating Pumps,Replaces 367010, 595926, 500800, 500805 $31.30 Was $34.78
Sponsored
Now$3130
current price Now $31.30, Was $34.78$34.78
Sensor Valve 595926 Compatible with Watts & Grundfos up Series Hot Water Recirculating Pumps,Replaces 367010, 595926, 500800, 500805
Save with
Smith Equipment Reverse Flow Check Valve Set,For Torches H697 $57.75 $57.75/1
$5775
current price $57.75$57.75/1
Smith Equipment Reverse Flow Check Valve Set,For Torches H697
Guardair 12H18 1/2"" Fnpt Excess Flow Check Valve $78.33
$7833
current price $78.33Guardair 12H18 1/2"" Fnpt Excess Flow Check Valve
Taco 222-6 1 12 Cast Iron Flow Check $170.53
$17053
current price $170.53Taco 222-6 1 12 Cast Iron Flow Check
Global Industrial 604046 Replacement Straight Flow Check Valve for Outdoor Drinking Fountains $39.98
$3998
current price $39.98Global Industrial 604046 Replacement Straight Flow Check Valve for Outdoor Drinking Fountains
H2Flow Controls FVC Flo Vis 22 in. Flow Meter Check Valve $174.22
$17422
current price $174.22H2Flow Controls FVC Flo Vis 22 in. Flow Meter Check Valve
Zoeller 2" Slip PVC Full Flow Check Valve 30-0021 $58.80 Was $76.99
Now$5880
current price Now $58.80, Was $76.99$76.99
Zoeller 2" Slip PVC Full Flow Check Valve 30-0021
ZOELLER 30-0042 Full Flow Check Valve,PVC,2 In. $51.42
$5142
current price $51.42ZOELLER 30-0042 Full Flow Check Valve,PVC,2 In.
Zoeller 3" Compression PVC Full Flow Check Valve 30-0030 $315.89
$31589
current price $315.89Zoeller 3" Compression PVC Full Flow Check Valve 30-0030
3" Outer Thread Black Brass Water Filler Valve, Check Valve Suitable for RV and Boat Water Inlet Accessory $12.99
Sponsored
$1299
current price $12.993" Outer Thread Black Brass Water Filler Valve, Check Valve Suitable for RV and Boat Water Inlet Accessory
44.5 out of 5 Stars. 4 reviews
Save with
Upgraded Brass RV Vacuum Breaker Check Valve, 571-VAC-CHK-A Camper Trailer Flusher Check Valve fit for b&b Model 571 Check valve Replace Leaking Vacuum Breaker on Black Tank System 1/2 DN Male $28.69
Sponsored
$2869
current price $28.69Upgraded Brass RV Vacuum Breaker Check Valve, 571-VAC-CHK-A Camper Trailer Flusher Check Valve fit for b&b Model 571 Check valve Replace Leaking Vacuum Breaker on Black Tank System 1/2 DN Male
Save with
H2Flow FVJ-R-15 FlowVis Flow Meter Check Valve Retrofit Kit with 1.5" Body $218.04
$21804
current price $218.04H2Flow FVJ-R-15 FlowVis Flow Meter Check Valve Retrofit Kit with 1.5" Body
H2Flow FV-C-15 Flow Meter Check Valve Complete with Valve Body $221.57
$22157
current price $221.57H2Flow FV-C-15 Flow Meter Check Valve Complete with Valve Body
Zoeller 2" FNPT Cast Iron Full Flow Check Valve 30-0152 $119.90
$11990
current price $119.90Zoeller 2" FNPT Cast Iron Full Flow Check Valve 30-0152
Hayward Flow Control Check Valve, Ball, 3/4", PVC/EPDM, S/T TC10075STE $67.09 Was $75.54
Now$6709
current price Now $67.09, Was $75.54$75.54
Hayward Flow Control Check Valve, Ball, 3/4", PVC/EPDM, S/T TC10075STE
Zoeller 1-1/4" or 1-1/2" Slip PVC Full Flow Check Valve 30-0192 $31.15
$3115
current price $31.15Zoeller 1-1/4" or 1-1/2" Slip PVC Full Flow Check Valve 30-0192
Zoeller Silent PVC Full Flow Check Valve 1-1/2" 30-0040 $39.75
$3975
current price $39.75Zoeller Silent PVC Full Flow Check Valve 1-1/2" 30-0040
Save with
Pentair Pool Rainbow Auto Feeder Model 300, 302, 300-19, 300-29 Flow Indicator with Check Valve R172081 $37.94
$3794
current price $37.94Pentair Pool Rainbow Auto Feeder Model 300, 302, 300-19, 300-29 Flow Indicator with Check Valve R172081
Hayward Flow Control Check Valve, Wafer, 4", PVC/EPDM WCV1400E $690.74
$69074
current price $690.74Hayward Flow Control Check Valve, Wafer, 4", PVC/EPDM WCV1400E
DANSPEED 3/4" Stainless Steel SS316 Swing Check Valve,NPT Female Thread,WOG 200 PSI PN16 CF8M From $15.99
Sponsored
From$1599
DANSPEED 3/4" Stainless Steel SS316 Swing Check Valve,NPT Female Thread,WOG 200 PSI PN16 CF8M
KFFKFF Hydraulic Adjustable Link Cat.1-1 (11 in, 20-7/8~31-7/8 in), Includes Hydraulic Cylinder, 2 Hoses & G3/8' Check Valve $165.99 Was $228.99 $165.99/ca
Sponsored
Now$16599
current price Now $165.99, Was $228.99$228.99
$165.99/ca
KFFKFF Hydraulic Adjustable Link Cat.1-1 (11 in, 20-7/8~31-7/8 in), Includes Hydraulic Cylinder, 2 Hoses & G3/8' Check Valve
Silent PVC Full Flow Check Valve 3" $103.29
$10329
current price $103.29Silent PVC Full Flow Check Valve 3"
Hayward Flow Control Check Valve, True Union, Ball, 1", PVC/EPDM, S/T TC10100STE $85.74
$8574
current price $85.74Hayward Flow Control Check Valve, True Union, Ball, 1", PVC/EPDM, S/T TC10100STE
Hayward Flow Control Check Valve, True Union, Ball, 2", PVC/EPDM, S/T TC10200STE $175.33 Was $195.99
Now$17533
current price Now $175.33, Was $195.99$195.99
Hayward Flow Control Check Valve, True Union, Ball, 2", PVC/EPDM, S/T TC10200STE
Zoeller Silent PVC Full Flow Check Valve 3" 30-0044 $93.09
$9309
current price $93.09Zoeller Silent PVC Full Flow Check Valve 3" 30-0044
RADNOR 64003943 , 9/16" - 18, UNF THREAD W/ REVERSE-FLOW CHECK VALVE *SHIPS FREE $51.00
$5100
current price $51.00RADNOR 64003943 , 9/16" - 18, UNF THREAD W/ REVERSE-FLOW CHECK VALVE *SHIPS FREE
Hayward Flow Control Check Valve, Wafer, 4", PVC/EPDM, with SS Spring WCV1400ES $870.30
$87030
current price $870.30Hayward Flow Control Check Valve, Wafer, 4", PVC/EPDM, with SS Spring WCV1400ES
Hydraulic Throttle Valve Check Valve Flow Control Valve 1/4" 3/8" 1/2" NPT BSPT 3000PSI Steel ,Easy to Install
Hydraulic Throttle Valve Check Valve Flow Control Valve 1/4" 3/8" 1/2" NPT BSPT 3000PSI Steel ,Easy to Install
Hayward Flow Control Check Valve, Wafer, 6", PVC/EPDM, with SS Spring WCV1600ES $1,131.73
$1,13173
current price $1,131.73Hayward Flow Control Check Valve, Wafer, 6", PVC/EPDM, with SS Spring WCV1600ES
Bell & Gossett 107018 SA-1 1" NPT Cast Iron Flow Control Valve (Straight or Angle Flow Check Valve)
Bell & Gossett 107018 SA-1 1" NPT Cast Iron Flow Control Valve (Straight or Angle Flow Check Valve)
Zoeller 30-0181 1-1/4" Or 1-1/2" Slip Pvc Full Flow Check Valve
Zoeller 30-0181 1-1/4" Or 1-1/2" Slip Pvc Full Flow Check Valve
Save with
Other options to consider(365)
YAHHU 1/2 in DN15 Female Thread Brass Swing Check Valve, 232 PSI Water Backflow Preventer, 2.76 inches / 7 cm Long, Durable Industrial Plumbing Supply for Normal Temperature One-Way Flow $12.20
$1220
current price $12.20YAHHU 1/2 in DN15 Female Thread Brass Swing Check Valve, 232 PSI Water Backflow Preventer, 2.76 inches / 7 cm Long, Durable Industrial Plumbing Supply for Normal Temperature One-Way Flow
BESTOYARD 3Pcs White Plastic Check Valve for Water Dispenser Inline One Way Flow Control $4.38
$438
current price $4.38BESTOYARD 3Pcs White Plastic Check Valve for Water Dispenser Inline One Way Flow Control
Silent Spring Sump Pump Check Valve Clear Transparent Body Anti-Backflow Quiet Water Flow Check Valve with 304 Stainless Steel Clamps Fits Pipe for Basement Plumbing,A From $23.24
From$2324
Silent Spring Sump Pump Check Valve Clear Transparent Body Anti-Backflow Quiet Water Flow Check Valve with 304 Stainless Steel Clamps Fits Pipe for Basement Plumbing,A
Clearance Fareti 10mm Aluminum Alloy Non-Return Check Valve, One-Way Flow Stopper for Water, Oil or Gas Lines, Leak-Resistant Blue Anti-Backflow Adapter Was $5.96
Fareti 10mm Aluminum Alloy Non-Return Check Valve, One-Way Flow Stopper for Water, Oil or Gas Lines, Leak-Resistant Blue Anti-Backflow Adapter
1 Inch NPT Stainless Steel Check Valve, Vertical One Way Flow Control, Spring Loaded Industrial Grade, High Pressure Water System, with PTFE Seal Ring $15.70
$1570
current price $15.701 Inch NPT Stainless Steel Check Valve, Vertical One Way Flow Control, Spring Loaded Industrial Grade, High Pressure Water System, with PTFE Seal Ring
ETHZZLE Alloy Air Compressor Check Valve One Way Flow Control Valve for Home Use $10.94
$1094
current price $10.94ETHZZLE Alloy Air Compressor Check Valve One Way Flow Control Valve for Home Use
Durable Brass Check Valve DN32, Prevents Backflow, 232PSI, 1,1/4" BSP Thread, Reliable Water Flow Control $23.46
$2346
current price $23.46Durable Brass Check Valve DN32, Prevents Backflow, 232PSI, 1,1/4" BSP Thread, Reliable Water Flow Control
Clearance Aluminum Alloy Check Valve - One-Way Non-Return Oil/Water/Gas Flow Control for Pressure Systems, Easy Install & Durable Construction Was $4.99
Aluminum Alloy Check Valve - One-Way Non-Return Oil/Water/Gas Flow Control for Pressure Systems, Easy Install & Durable Construction
Popular in Flow Check
Related Products
Aignep Usa Uni Flow Control,3/8in NPT,Meter Out 88953-06-06
Aignep Usa Uni Flow Control,3/8in NPT,Meter Out 88953-06-06$38.36current price $38.36Unox 2" Motorized Ball Valve 220V AC NPT Electrical Ball Valve Stainless Steel AISI304 Three-Piece Body 63 Bars Max Pressure For Water Air Control Valve
Unox 2" Motorized Ball Valve 220V AC NPT Electrical Ball Valve Stainless Steel AISI304 Three-Piece Body 63 Bars Max Pressure For Water Air Control Valve$501.60current price $501.60Universal Flow Control,1/4In Tube,1/8In 88958-04-02
Universal Flow Control,1/4In Tube,1/8In 88958-04-02$31.02current price $31.02Unox 2" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Two-Piece Body 63 Bars Max Pressure For Water Air Control Valve
Unox 2" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Two-Piece Body 63 Bars Max Pressure For Water Air Control Valve$495.00current price $495.00Control Devices Pressure Relief Valve,1/4in.,0 to 20 psi PR25-000
Control Devices Pressure Relief Valve,1/4in.,0 to 20 psi PR25-000$19.04current price $19.04Unox 3" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Two-Piece Body 63 Bars Max Pressure For Water Air Control Valve
Unox 3" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Two-Piece Body 63 Bars Max Pressure For Water Air Control Valve$1168.20current price $1168.20TeeJet Manual Pressure Relief Regulating Valve 60 PSI Max - 23120-1/2-PP-60
TeeJet Manual Pressure Relief Regulating Valve 60 PSI Max - 23120-1/2-PP-60$35.72current price $35.72Unox 1" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Two-Piece Body 63 Bars Max Pressure For Water Air Control Valve
Unox 1" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Two-Piece Body 63 Bars Max Pressure For Water Air Control Valve$250.80current price $250.80TeeJet 23120-3/4-PP Pressure Relief Valve polypropylene
TeeJet 23120-3/4-PP Pressure Relief Valve polypropylene$33.95current price $33.95Unox 24V DC Electric Actuated Ø50 (1 1/2") U-PVC Ball Valve, Motorized Ball Valve For Water - PN16
Unox 24V DC Electric Actuated Ø50 (1 1/2") U-PVC Ball Valve, Motorized Ball Valve For Water - PN16$231.00current price $231.00Control Devices Pressure Relief Valve,3/8in.,0 to 20 psi PR38-000
Control Devices Pressure Relief Valve,3/8in.,0 to 20 psi PR38-000$23.66current price $23.66Unox 2" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Three-Piece Body 63 Bars Max Pressure For Water Air Control Valve
Unox 2" Motorized Ball Valve 24V DC NPT Electrical Ball Valve Stainless Steel AISI304 Three-Piece Body 63 Bars Max Pressure For Water Air Control Valve$508.20current price $508.20Zoeller 30-0042 Quiet Check, PVC Solvent Weld with Union Check Valve 2"
Zoeller 30-0042 Quiet Check, PVC Solvent Weld with Union Check Valve 2"$46.50current price $46.50UNOX Stainless Steel Swing 3 inch Check Valve – SS304 CF8 Non-Return Valve for Water & Air Compressor Systems, Up to 200 PSI, Premium Threaded Construction – Prevents Backflow
UNOX Stainless Steel Swing 3 inch Check Valve – SS304 CF8 Non-Return Valve for Water & Air Compressor Systems, Up to 200 PSI, Premium Threaded Construction – Prevents Backflow$310.20current price $310.20UNOX Pneumatic Actuated Butterfly Valve DN100 (4") Double Acting 230 PSI (16 Bar), Iron Disc with GGG-40.3 Sfero Casting Body - EPDM Seat for Water Air - Lug Type Butterfly Valve
UNOX Pneumatic Actuated Butterfly Valve DN100 (4") Double Acting 230 PSI (16 Bar), Iron Disc with GGG-40.3 Sfero Casting Body - EPDM Seat for Water Air - Lug Type Butterfly Valve$389.66current price $389.66Universal Flow Control,3/8In Tube,1/4In 88958-06-04
Universal Flow Control,3/8In Tube,1/4In 88958-06-04$29.13current price $29.13UNOX Pneumatic Actuated Butterfly Valve DN150 (6") Double Acting 230 PSI (16 Bar), Iron Disc with GGG-40.3 Sfero Casting Body - EPDM Seat for Water Air - Lug Type Butterfly Valve
UNOX Pneumatic Actuated Butterfly Valve DN150 (6") Double Acting 230 PSI (16 Bar), Iron Disc with GGG-40.3 Sfero Casting Body - EPDM Seat for Water Air - Lug Type Butterfly Valve$542.46current price $542.46Unox 1 1/4" (DN32) 110V AC Motorized Ball Valve Three-Way T-Port Threaded Electrical Ball Valve Stainless Steel AISI304 Body 63 Bars Max Pressure For Water Air Control Valve
Unox 1 1/4" (DN32) 110V AC Motorized Ball Valve Three-Way T-Port Threaded Electrical Ball Valve Stainless Steel AISI304 Body 63 Bars Max Pressure For Water Air Control Valve$515.00current price $515.00