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FaucetsAir QualityAir ToolsAmerican StandardBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingDoor HardwareDoor Security HardwareEmergency SuppliesEvaporative Coolers and PartsFireplacesHand ToolsHome SafetyHVAC Ducting and VentilationKitchen Fixtures and MaterialsKitchen HardwareKitchen PlumbingMechanics ToolsOutletsPersonal PreparednessPipes, Fittings & AccessoriesPower Tool AccessoriesShop Plumbing BrandsShop Plumbing by FixtureSolderingStorm & Flood PrepThermostatsToilets and BidetsValves & Valve RepairWater HeatersWater Heaters, Pumps & Tanks
Test Valve(264)
Uses item details. Price when purchased online
Best seller Sprinkler Valve Locator Tool – Find Buried Irrigation Valves Fast – Chat-R-Box® CRB1 $39.00
Sponsored
$3900
current price $39.00Sprinkler Valve Locator Tool – Find Buried Irrigation Valves Fast – Chat-R-Box® CRB1
203.6 out of 5 Stars. 20 reviews
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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
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Best seller Chat-R-Box Lawn Valve Locator (CRB) Locates Hidden Lawn Valves $32.50
Sponsored
$3250
current price $32.50Chat-R-Box Lawn Valve Locator (CRB) Locates Hidden Lawn Valves
34 out of 5 Stars. 3 reviews
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Merrill 1 Plastic Air Volume Control Valve $37.99
Sponsored
$3799
current price $37.99Merrill 1 Plastic Air Volume Control Valve
34.3 out of 5 Stars. 3 reviews
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YAHHU 5 Pcs Plastic Check Valve Non Return One Way Valve for Water Treatment 5mm / 0.19 inches Translucent
2 options
Available in additional 2 optionsYAHHU 5 Pcs Plastic Check Valve Non Return One Way Valve for Water Treatment 5mm / 0.19 inches Translucent
Legend Valve 101-551NL Ball Valve Test Cock 1/4 in FNPT x MNPT Brass 150 psi $16.25
$1625
current price $16.25Legend Valve 101-551NL Ball Valve Test Cock 1/4 in FNPT x MNPT Brass 150 psi
Jackson 4810-011-72-67 Ball Valve Test Cock 1/4 (Bro Part $28.16
$2816
current price $28.16Jackson 4810-011-72-67 Ball Valve Test Cock 1/4 (Bro Part
Universal Can Tap Valve,Fits R22/R134a/R410A,Heavy-Duty Refrigerant Bottle Opener $4.38 Was $5.99
Now$438
current price Now $4.38, Was $5.99$5.99
Universal Can Tap Valve,Fits R22/R134a/R410A,Heavy-Duty Refrigerant Bottle Opener
B&B Molders 94192 Check Valve Test Plug $54.29 $54.29/count
$5429
current price $54.29$54.29/count
B&B Molders 94192 Check Valve Test Plug
DANSPEED 1/2" Stainless Steel Vertical Check Valve NPT Spring Loaded In-line From $12.49
6 options
Available in additional 6 optionsFrom$1249
DANSPEED 1/2" Stainless Steel Vertical Check Valve NPT Spring Loaded In-line
25 out of 5 Stars. 2 reviews
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
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Danco Plastic Push-on Quarter Turn Angle Stop Valve, 0.1 lbs Weight (9DPV-100) From $6.07
Sponsored
From$607
Danco Plastic Push-on Quarter Turn Angle Stop Valve, 0.1 lbs Weight (9DPV-100)
444.3 out of 5 Stars. 44 reviews
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MCDONNELL & MILLER 195000 TEST-N-CHECK VALVES, SET OF 2 Part # TC-4 $815.77
$81577
current price $815.77MCDONNELL & MILLER 195000 TEST-N-CHECK VALVES, SET OF 2 Part # TC-4
Drainage Industries 1-1/2" Check Valve $8.68
$868
current price $8.68Drainage Industries 1-1/2" Check Valve
15 out of 5 Stars. 1 reviews
Refrigerant Charging Valve - R12 R410 Compatible - Copper Control Valve for Air Conditioning Refrigerant - Safety Valve for Copper and Fluorine - Reliable and Secure Solution $12.28
$1228
current price $12.28Refrigerant Charging Valve - R12 R410 Compatible - Copper Control Valve for Air Conditioning Refrigerant - Safety Valve for Copper and Fluorine - Reliable and Secure Solution
YAHHU 12mm / 0.47 inches Inline One-way Non-return Check Valve Fuel Water Gas Air Vacuum Aluminum Valve for Marine Automotive Caravans Agriculture High Strength Engine System Accessory
3 options
Available in additional 3 optionsYAHHU 12mm / 0.47 inches Inline One-way Non-return Check Valve Fuel Water Gas Air Vacuum Aluminum Valve for Marine Automotive Caravans Agriculture High Strength Engine System Accessory
CHENGSI for Brass Check Valve 1 Inch High Pressure Return Valve for Rain Barrels, Washing Machines, Pumps, Pipes - for Durable CW617N Brass with KTW Tested Seals, 20-Bar Pressure
CHENGSI for Brass Check Valve 1 Inch High Pressure Return Valve for Rain Barrels, Washing Machines, Pumps, Pipes - for Durable CW617N Brass with KTW Tested Seals, 20-Bar Pressure
Plastic One-Way Non-Return Water Inline Fluids Check Valves For Fuel Gas Liquid 3mm/4mm / 5mm/6mm / 8mm / 10mm/ 12mm ,Offering Precision and Performance
Plastic One-Way Non-Return Water Inline Fluids Check Valves For Fuel Gas Liquid 3mm/4mm / 5mm/6mm / 8mm / 10mm/ 12mm ,Offering Precision and Performance
VN-500 Nitrogen Purge Control Valve Regulator with Flow Meter, Brass Hybrid Design, 500 PSI Nitrogen Purging Regulator for Leak Testing $59.99
$5999
current price $59.99VN-500 Nitrogen Purge Control Valve Regulator with Flow Meter, Brass Hybrid Design, 500 PSI Nitrogen Purging Regulator for Leak Testing
15 out of 5 Stars. 1 reviews
Hydraulics Nitrogen Accumulator Charging Fill Gas Valve Pressure Test100-400Bar $140.80
$14080
current price $140.80Hydraulics Nitrogen Accumulator Charging Fill Gas Valve Pressure Test100-400Bar
Aniceparthy 3/4" RV Water Pressure Regulator Valve w/ Adjustable Knob, NO Tool Required, Brass Lead-Free Water Pressure Reducer with Gauge and Inlet Screen Filter for RV Camper Travel Trailer $32.89 Was $38.89
Sponsored
Now$3289
current price Now $32.89, Was $38.89$38.89
Aniceparthy 3/4" RV Water Pressure Regulator Valve w/ Adjustable Knob, NO Tool Required, Brass Lead-Free Water Pressure Reducer with Gauge and Inlet Screen Filter for RV Camper Travel Trailer
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RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211 $12.60
Sponsored
$1260
current price $12.60RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211
Scaroo BPV31 Bullet Piercing Valve for A/C Refrigeration Lines 5/16 - 3/8 From $8.67
6 options
Available in additional 6 optionsFrom$867
Scaroo BPV31 Bullet Piercing Valve for A/C Refrigeration Lines 5/16 - 3/8
Check Valve Oxygen/ Acetylene M16X1.5 Acetylene Fire Check Valves Oxygen
Check Valve Oxygen/ Acetylene M16X1.5 Acetylene Fire Check Valves Oxygen
BIMZUC 5PCS Air Conditioning Check Valve 7/16 20 UNF Brass Copper HVAC Service Access Valve for R22 R12 Pipelines Home Refrigerant Repair 4.72 inches / 120 mm $12.64
$1264
current price $12.64BIMZUC 5PCS Air Conditioning Check Valve 7/16 20 UNF Brass Copper HVAC Service Access Valve for R22 R12 Pipelines Home Refrigerant Repair 4.72 inches / 120 mm
Powermate Bleeder Check Valve,1/8",1/2" NPTx3/8" 031-0037RP $30.86
$3086
current price $30.86Powermate Bleeder Check Valve,1/8",1/2" NPTx3/8" 031-0037RP
Tank Check Valve 1/2" NPT $13.57
$1357
current price $13.57Tank Check Valve 1/2" NPT
15 out of 5 Stars. 1 reviews
R12 R410 Refrigerant Charging Valve, Air Conditioning Liquid Safety Valve Copper Flow Control Valves and Fluorine $12.29
$1229
current price $12.29R12 R410 Refrigerant Charging Valve, Air Conditioning Liquid Safety Valve Copper Flow Control Valves and Fluorine
Mcdonnell & Miller Valve Assembly, Test/Check, Upper/Lower TC-4 $916.82 Was $1,090.63
Now$91682
current price Now $916.82, Was $1,090.63$1,090.63
Mcdonnell & Miller Valve Assembly, Test/Check, Upper/Lower TC-4
Reduced price Plastic Air Check Valve 9.5-10mm 3/8" Inline Check Valve for Fuel Gas Liquid Water with Material, Strong Resistance to , Alkali, Salt Ability, Easy to Install, No Assembly Required $6.70 Was $8.61
Now$670
current price Now $6.70, Was $8.61$8.61
Plastic Air Check Valve 9.5-10mm 3/8" Inline Check Valve for Fuel Gas Liquid Water with Material, Strong Resistance to , Alkali, Salt Ability, Easy to Install, No Assembly Required
IBC Water Tank Adapter, Universal IBC Tank Container Valve, Outlet Control 62mm DN40 Flap Valve for Rain Barrel, Water Tank Drain Tap, Chemical Solutions, Acid-base Solutions, Organic Solvents $18.98
Sponsored
$1898
current price $18.98IBC Water Tank Adapter, Universal IBC Tank Container Valve, Outlet Control 62mm DN40 Flap Valve for Rain Barrel, Water Tank Drain Tap, Chemical Solutions, Acid-base Solutions, Organic Solvents
44.8 out of 5 Stars. 4 reviews
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2 Pack Park Control Valve, Mounting Hole Threads M6 X 1-6H, 3/8" PTC Ports for Multiple International Applications Replace Bendix 800841 5005855 800841BXW, Freightliner BW800841 $283.99
Sponsored
$28399
current price $283.992 Pack Park Control Valve, Mounting Hole Threads M6 X 1-6H, 3/8" PTC Ports for Multiple International Applications Replace Bendix 800841 5005855 800841BXW, Freightliner BW800841
Uxcell 3/8" Fuel Check Valve, Non-Return Inline One Way Check Valve, Silver $8.89
$889
current price $8.89Uxcell 3/8" Fuel Check Valve, Non-Return Inline One Way Check Valve, Silver
15 out of 5 Stars. 1 reviews
Riousery 304 Stainless Steel Hex Split Check Valve High Temperature & Pressure Endurance (1/8in BSPP, 1/8 inches / 3.18 mm) - Heavy Duty Silver From $11.82
3 options
Available in additional 3 optionsFrom$1182
Riousery 304 Stainless Steel Hex Split Check Valve High Temperature & Pressure Endurance (1/8in BSPP, 1/8 inches / 3.18 mm) - Heavy Duty Silver
Oxygen Acetylene Checks Valves Flash Back Arrestor For Pressures Reducer Cutting Acetylene Check Valves $10.74
$1074
current price $10.74Oxygen Acetylene Checks Valves Flash Back Arrestor For Pressures Reducer Cutting Acetylene Check Valves
Riousery 2Pcs Check Valve 3/8in 10mm Plastic 1 Way Water Non Return Inline Valve for Air Compressor Aquarium Pump Fuel Gas Liquid Air CDDV6 (0.39 inches / 10 mm)
2 options
Available in additional 2 optionsRiousery 2Pcs Check Valve 3/8in 10mm Plastic 1 Way Water Non Return Inline Valve for Air Compressor Aquarium Pump Fuel Gas Liquid Air CDDV6 (0.39 inches / 10 mm)
Merrill Mfg CVNL100 No Lead Brass Check Valve for Well, 1", 700 Series $20.00
$2000
current price $20.00Merrill Mfg CVNL100 No Lead Brass Check Valve for Well, 1", 700 Series
104.9 out of 5 Stars. 10 reviews
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Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air C $6.04
$604
current price $6.04Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air C
1/8"BSP NPT Female Male One Way Check Valve Non-return Inline 304 Stainless Steel Water Gas Steam Oil ,Offering Precision and Performance
2 options
Available in additional 2 options1/8"BSP NPT Female Male One Way Check Valve Non-return Inline 304 Stainless Steel Water Gas Steam Oil ,Offering Precision and Performance
Pressure Gauge Meter Control Valve End Water Test Equipments Fire Equipment Accessories DN25 Ball Value Male Female Thread ,Easy to Install $44.68
$4468
current price $44.68Pressure Gauge Meter Control Valve End Water Test Equipments Fire Equipment Accessories DN25 Ball Value Male Female Thread ,Easy to Install
Riousery 10mm / 0.39 inches Inline Check Valve Plastic One Way Air Liquid Water Flow Valve for Fuel Diesel Gas $7.61
$761
current price $7.61Riousery 10mm / 0.39 inches Inline Check Valve Plastic One Way Air Liquid Water Flow Valve for Fuel Diesel Gas
94192 Check Valve Test Plug $66.58
$6658
current price $66.5894192 Check Valve Test Plug
1.5inch(50.5mm OD) Tri clamp Sampling Valve SS304 Stainless Steel ,Durable Materia $40.65
$4065
current price $40.651.5inch(50.5mm OD) Tri clamp Sampling Valve SS304 Stainless Steel ,Durable Materia
Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air A $5.68
$568
current price $5.68Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air A
BPV31, Bullet Piercing Valve, BPV31, 1/4" , 5/16" , 3/8" Tubing $13.04
$1304
current price $13.04BPV31, Bullet Piercing Valve, BPV31, 1/4" , 5/16" , 3/8" Tubing
25 out of 5 Stars. 2 reviews
28PCS Plastic Check Valve Plug-in Stem Check Valve Gas Vacuum Check Valve $18.65
$1865
current price $18.6528PCS Plastic Check Valve Plug-in Stem Check Valve Gas Vacuum Check Valve
1/8"BSP NPT Female Male One Way Check Valve Non-return Inline 304 Stainless Steel Water Gas Steam Oil ,Excellent Performance
1/8"BSP NPT Female Male One Way Check Valve Non-return Inline 304 Stainless Steel Water Gas Steam Oil ,Excellent Performance
Pool & Spa Check Valve with Clear Sight Glass, Fits 1.5-2-Inch Pipe, Replaces 7235 7236 7305 7511 7512, No-Tool Install $38.59
$3859
current price $38.59Pool & Spa Check Valve with Clear Sight Glass, Fits 1.5-2-Inch Pipe, Replaces 7235 7236 7305 7511 7512, No-Tool Install
Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air B $6.04
$604
current price $6.04Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air B
Brady Combination Foot/Check Valve 200 Psi 3/4 " Fpt Plastic $14.62 Was $34.75
Now$1462
current price Now $14.62, Was $34.75$34.75
Brady Combination Foot/Check Valve 200 Psi 3/4 " Fpt Plastic
25 out of 5 Stars. 2 reviews
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