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Our most popular products based on sales. Updated frequently.

Any Department
- Industrial & Scientific
- - Hydraulics, Pneumatics & Plumbing
  - - Fittings
    - - Valves
      - Ball Valves
        Butterfly Valves
        Check Valves(Current)
        Gate Valves
        Pressure Regulators
        Relief Valves
        Solenoid Valves

�鶹�� in Check Valves

#1
PumpSpy Silent Check Valve - 1-1/2" with Buna-N Couplings, Model CV-150, Spring-Loaded Flapper, Sump Pump Life Expectancy Increase, Includes Steel Clamps Fit 1-1/2″ Pipe

5 offers from $32.00
#2
Feelers 1/2" One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 4

1 offer from $12.99
#3
BE-TOOL Brass Spring Check Valve 1 1/4" 39mm One Way Non-Return Valve for Water, Oil, Steam and Other Media, DN32 (Pack of 1)

1 offer from $26.70
#4
Silent Check Valve 1-1/2 Inch, Silent Check Valve with Spring-Loaded Flapper, Buna-N Couplings & Stainless Steel Clamps for Sump Pump Backflow Prevention, Reduces Water Hammer Effect

1 offer from $25.00
#5
Sharkbite Max 3/4 Inch Check Valve, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2016A

1 offer from $28.40
#6
1 inch Check Valve with Backflow Preventer for Merrill CVNL100 700 Series - 200 PSI, 190°F Max Temp, 1'' FNPT × 1'' FNPT, No-Lead Brass

1 offer from $25.99
#7
Solimeta 2 Pack 1-1/2“ Silent Check Valve with Buna-N Couplings, Sump Pump Backflow Prevention, Sump Pump Lifespan Increase

1 offer from $45.99
#8
3/4" NPT Horizontal Check Valve, Brass Non Return Swing Check Valve to Prevent Water Backflow, Level One Way Counterflow Valve to Prevent The Medium Backflow for Oil Water Gas Air（3/4", DN20）

1 offer from $21.99
#9
3/4" Brass Foot Valve, DN20 Check Valve Water Pump Bottom Valves with Filter One Way No Return Valves Foot Valve Strainer Backflow Preventer

2 offers from $14.49
#10
Superior Pump 99555 Universal Check Valve; fits all: 1-1/4" and 1-1/2" MPT and FPT , Black

3 offers from $20.93
#11
3/4 inch Check Valve, Marine Boat Bilge Pump Hose in-line one Way, Non Return

2 offers from $19.99
#12
1/2 Inch Push to Connect Check Valve for For Copper, PEX, CPVC Pipe, Push Fit Plumbing Fitting with Disconnect Clip (2 PCS)

1 offer from $29.99
#13
QWORK in-Line Check Valve Brass, 3/4" Female One Way Check Valves, 2 Pack

1 offer from $20.97
#14
Stenner Pump Company MCCVDB0 Check Valve Duckbill Only (Pack of 5)

9 offers from $34.50
#15
1.5" PVC Quiet Union Check Valve

4 offers from $42.70
#16
Brass Foot Valve Mesh Check Valve, 3/4" Vertical Foot Valve Female Connection with Strainer Filter

1 offer from $14.49
#17
YXCCSE 8 Pcs 1/4" Check Valve, 6mm PVDF One Way Valve Inline Check Valve Non Return Check Valve for Fuel Gas Liquid Air

1 offer from $13.99
#18
1-1/2" Silent Check Valve - CV150,Visual Sump Pump Check Valve with Buna-N Couplings & Steel Clamps - Spring Loaded Flapper for Backflow Prevention,Reduces Water Hammer Effect

1 offer from $30.56
#19
CDQBWKJGFJ 1 Piece Stainless Steel 304 3/8 NPT Female Air Instrument Check Valve One Way Non-Return Valve

1 offer from $15.99
#20
Sharkbite Max 1/2 Inch Check Valve, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2008A

1 offer from $29.00
#21
Valterra P23415LF Brass 1/2" Check Valve - MPT x MPT

7 offers from $14.02
#22
ESHIONG 3/8" Push to Connect One Way Check Valve for RO(Reverse Osmosis) Water Filter,NSF Certified Plastic Quick Connect RO Fittings (2 pcs)

1 offer from $17.99
#23
Water Pump Foot Valve, PVC Black Flat Check Valve 1.5in 2in 2.5in 3in 4in for Fluid Machine, and Professionally Designed (1.5inch)

1 offer from $10.79
#24
Brass One Way Check Valve 3/4" Female Backflow Preventer, Check Valve for Repair NPT Female Thread Brass Float Reinforced - 0,75 inch Float Brass

3 offers from $19.00
#25
1/2" NPT Horizontal Check Valve, Stainless Steel Non Return Swing Check Valve, Level One Way Counterflow Valve to Prevent The Medium Backflow for Oil Water Gas Air（1/2", DN15）

1 offer from $21.99
#26
Megairon 1" NPT Female WOG1000 Check Valve, Spring Loaded In-line Low Cracking Pressure, Stainless Steel SS316 CF8M (1 Inch)…

4 offers from $19.99
#27
uxcell 2Pcs 10mm (3/8") Fuel Check Valve, Non-Return One Way Check Valve, Aluminum Alloy Control Accessories for Petrol, Diesel, Gas, Oil, Air, Water, Red

3 offers from $18.49
#28
Check Valves 1/2Inch Brass Foot Valves with Hose Connection Backflow Prevention Brass Check Valves Filter Bottom Valves Check Valves

3 offers from $19.99
#29
Yaco Flow Control Valve - 1/4" Throttle & Check Valve, NPT, 3000PSI Steel Hydraulic

3 offers from $19.11
#30
Brass Check Valve 3/4" Female Thread In-Line One Way Non Return Valve for Water Heater Tank Tower Toilet Garden Pipe

1 offer from $9.95
#31
Closmos Pneumatic Push to Connect Fitting Check Valve 1/4" OD x 1/4" OD One-way Valve Pack of 2

1 offer from $25.47
#32
1-1/2" NPT Stainless Steel Spring Check Valve, WOG1000 NPT Thread unleaded in-Line Vertical Check Valve Non Return One Way Counterflow to Prevent The Medium Backflow for Oil Water Gas Air DN40

3 offers from $47.99
#33
uxcell 14mm (9/16") Fuel Check Valve, Non-Return One Way Hose Check Valve, Aluminum Alloy Control Accessories for Petrol, Diesel, Gas, Oil, Air, Water, Black

2 offers from $18.39
#34
Non Return One Way Check Valve, 1/8" 3/16" 1/4" One Way Non Return Inline Check Valve for Fuel Gas Liquid Air(1/4")

3 offers from $9.99
#35
Zoeller 30-0181 1-1/2 Inch Check Valve

3 offers from $28.00
#36
Superior Pump 99509/SC150B 1.5" Pump Check Valve, 1-1/2", Black

1 offer from $23.14
#37
Flow-Rite MV-03-FN01 V4R Control Valve

6 offers from $87.38
#38
One Way Air Check Valve G 1/8in, G 1/4in, G 3/8in, G 1/2in BSPP Female Thread Full Port Check Valve Water Stainless Steel Non Return Check Valve for Water Pipe Connection(1/2")

2 offers from $25.31
#39
BBTUS Check Valve 1Pcs 2Pcs 5Pcs 3/8" 10mm Inline ABS One Way Water Non Return Check Valve for Fuel Gas Liquid Air (1)

1 offer from $13.34
#40
QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer

2 offers from $11.47
#41
Watts ACV2 Anka Check Valves (2")

1 offer from $29.85
#42
EATAKWARD 1-1/2 inch PVC True Union Check Valve, Slip-Slip Full-Port Practical Check Valve, Sch80 Socket Insert Pool Ball Check Valve for Backflow Prevention

2 offers from $30.99
#43
LALOCAPEYO 2 PCS Stainless Steel One Way Check Valve for 4/6mm Tubing Aquarium Co2 System Aquarium CO2 Diffuser Fish Tank Check Valve CO2 One Way Check Valve

1 offer from $10.89
#44
Homewerks VCKP40E3B in-Line Check Valve, 0.5 Inch, White

1 offer from $10.41
#45
Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2 inch or 1-1/4 inch

4 offers from $26.79
#46
LEONTOOL Silent Check Valve 1-1/2 Inch Sump Pump Check Valve Spring-Loaded Valves with Clear Body for Backflow Prevention, Fit 1-1/2″ Class 40 Pipe with Stainless Clamps, Increases Sump Pump Life
1 offer from $27.49
#47
1/8 3/16 1/4 5/16 One Way Check Valve 1 to 2Kpa Inline Check Valve for Fuel Gas Liquid Air Non Return (3/16)

2 offers from $10.38
#48
1" Brass Foot Valve, PNXKTXO DN25 Check Valve Non Return Water Pump Bottom Filter with 25mm Hose Barb Fittings Adapter

1 offer from $19.99
#49
1" BSP Brass Check Valve Spring Non Return Check Valve Pump Inlet Filter Strainer with 1" 22mm Hosetail Used for Pump Spring Check Valve Pump Inlet Filter

1 offer from $14.38
#50
7235 Check Valve Replacement for Jandy 1-1/2-Inch to 2-Inch 180-Degree Check Valve Straight Through Flow Compatible with Pool and Spa (7235)

1 offer from $33.72