FaucetsSafety Equipment and GearAir ToolsAll Tool SetsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBrackets and Angle IronsChains, Ropes and TiedownsConduits and FittingsElectric MotorsElectrical ToolsEmergency SuppliesEvaporative Coolers and PartsFastenersGuttering & DrainageHand ToolsHooksInterconnect TerminalsKitchen Fixtures and MaterialsKitchen PlumbingMechanics ToolsOutdoor DrainagePaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesPlug AdaptersPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPower TransformersPressure WashersRoofingShop Plumbing by FixtureStorm & Flood PrepThermostatsTool Equipment & StorageValves & Valve RepairWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & Tanks
Sort by|
FaucetsSafety Equipment and GearAir ToolsAll Tool SetsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBrackets and Angle IronsChains, Ropes and TiedownsConduits and FittingsElectric MotorsElectrical ToolsEmergency SuppliesEvaporative Coolers and PartsFastenersGuttering & DrainageHand ToolsHooksInterconnect TerminalsKitchen Fixtures and MaterialsKitchen PlumbingMechanics ToolsOutdoor DrainagePaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesPlug AdaptersPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPower TransformersPressure WashersRoofingShop Plumbing by FixtureStorm & Flood PrepThermostatsTool Equipment & StorageValves & Valve RepairWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & Tanks
Union Connect(783)
Uses item details. Price when purchased online
(1) EZ-Fluid 1/4" Comp. x 1/2" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing From $8.55

Sponsored
From$855
(1) EZ-Fluid 1/4" Comp. x 1/2" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
4 out of 5 stars
3Pcs Compression Tube Pipe Fittings, 3/8" Compression Union Connector Adapter $12.42

Sponsored
$1242
current price $12.423Pcs Compression Tube Pipe Fittings, 3/8" Compression Union Connector Adapter
5 out of 5 stars
Unique Bargains Brass Pipe Union Connector Couplings 1PT Fitting ,With Female Threaded Connects Two Pipes $13.99

Sponsored
$1399
current price $13.99Unique Bargains Brass Pipe Union Connector Couplings 1PT Fitting ,With Female Threaded Connects Two Pipes
40mm x 40mm Pipe Fitting,Union Solvent Socket Quick Connector Blue 2Pcs $14.99

Sponsored
$1499
current price $14.9940mm x 40mm Pipe Fitting,Union Solvent Socket Quick Connector Blue 2Pcs
5 out of 5 stars
XtremepowerUS 1.5" PVC Pool Pump Union Fittings, NPT Male Thread x Socket Slip Quick Connect Adapter for Pool & Spa Plumbing, White, 2-Pack $17.95 $8.98/count

$1795
current price $17.95$8.98/count
XtremepowerUS 1.5" PVC Pool Pump Union Fittings, NPT Male Thread x Socket Slip Quick Connect Adapter for Pool & Spa Plumbing, White, 2-Pack
5 out of 5 stars
Brass Pipe Union Connector Coupling 1/2PT Fitting ,With Female Threaded Connects Two Pipes 2 Pcs $15.09

$1509
current price $15.09Brass Pipe Union Connector Coupling 1/2PT Fitting ,With Female Threaded Connects Two Pipes 2 Pcs
Watts 1015R-0806 AquaLock Plastic Mini Series, 1/2" OD x 3/8" OD Lead-Free Polypropylene Mini Reducing Coupling Union Connector, O-Ring, Quick Push-to-Connect Design, Tool-Free Installation $12.11

$1211
current price $12.11Watts 1015R-0806 AquaLock Plastic Mini Series, 1/2" OD x 3/8" OD Lead-Free Polypropylene Mini Reducing Coupling Union Connector, O-Ring, Quick Push-to-Connect Design, Tool-Free Installation
Uxcell 6 Pcs Straight Union Push to Connect Fitting, 1/4" x 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black $8.14

$814
current price $8.14Uxcell 6 Pcs Straight Union Push to Connect Fitting, 1/4" x 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black
1/4" Push-Fit Polypropylene Union Connector in White - PP0408W-US $12.53 Was $17.22

Now$1253
current price Now $12.53, Was $17.22$17.22
1/4" Push-Fit Polypropylene Union Connector in White - PP0408W-US
Best seller, Imperial Stove Pipe Connector Union BM0047 - Insulated Steel - 6x6 Black $12.75
Best seller

$1275
current price $12.75Imperial Stove Pipe Connector Union BM0047 - Insulated Steel - 6x6 Black
5 out of 5 stars
Uxcell Y Type Copper Fitting, Welding Joint Split Union Intersection for HVAC, Air Conditioning Refrigeration 1 3/8" x 3/4" x 3/4" From $11.19

Sponsored
From$1119
Uxcell Y Type Copper Fitting, Welding Joint Split Union Intersection for HVAC, Air Conditioning Refrigeration 1 3/8" x 3/4" x 3/4"
2Pcs Brass Compression Tube Fitting, 10mm Tube OD Connector, NPT Thread Compression Union Connectors & Compression Sleeves Ferrules, Brass Straight Coupling Adapter $16.56

Sponsored
$1656
current price $16.562Pcs Brass Compression Tube Fitting, 10mm Tube OD Connector, NPT Thread Compression Union Connectors & Compression Sleeves Ferrules, Brass Straight Coupling Adapter
Uxcell 6 Pcs Straight Union Push to Connect Fitting, 5/32" x 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black $7.44

$744
current price $7.44Uxcell 6 Pcs Straight Union Push to Connect Fitting, 5/32" x 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black
Watts Sea Tech Union Connector 3515-14 - 3/4 Inch Push Connect Plumbing Fitting - Multicolor $17.84

$1784
current price $17.84Watts Sea Tech Union Connector 3515-14 - 3/4 Inch Push Connect Plumbing Fitting - Multicolor
10x 5/32" OD Tube Pneumatic Straight Union Connector Push To Connect Air Fitting $12.95

$1295
current price $12.9510x 5/32" OD Tube Pneumatic Straight Union Connector Push To Connect Air Fitting
U.S. Solid 3/8 in Male Flare x 1/2 in Male Flare Brass Fitting Gas Union Connector Tube Coupler Pack of 2 From $8.02

4 options
Available in additional 4 optionsFrom$802
U.S. Solid 3/8 in Male Flare x 1/2 in Male Flare Brass Fitting Gas Union Connector Tube Coupler Pack of 2
5 out of 5 stars
Teal Turtle Black Stove Pipe Union Connector 6 In x 4 In 24 Gauge Steel Matte Finish $18.82

$1882
current price $18.82Teal Turtle Black Stove Pipe Union Connector 6 In x 4 In 24 Gauge Steel Matte Finish
IPW Industries Inc-John Guest - Polypropylene Union Connector Quick Connect Fitting 1/4" OD/Single- PP0408W $9.99

$999
current price $9.99IPW Industries Inc-John Guest - Polypropylene Union Connector Quick Connect Fitting 1/4" OD/Single- PP0408W
M Buder 10Pcs OD 12mm / 0.47 inches Air Hose Pneumatic 3 Way Tee Union Connector Air Push Quick Fittings $13.52

$1352
current price $13.52M Buder 10Pcs OD 12mm / 0.47 inches Air Hose Pneumatic 3 Way Tee Union Connector Air Push Quick Fittings
Unique Bargains Brass Pipe Union Connector Couplings 1PT Fitting ,With Female Threaded Connects Two Pipes $13.99

$1399
current price $13.99Unique Bargains Brass Pipe Union Connector Couplings 1PT Fitting ,With Female Threaded Connects Two Pipes
(1Pk) EZ-Fluid 1/4" Comp x 1/4" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $8.85

Sponsored
$885
current price $8.85(1Pk) EZ-Fluid 1/4" Comp x 1/4" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
Uxcell Y Type Copper Fitting, Welding Joint Split Union Intersection for HVAC, Air Conditioning Refrigeration 3/4" x 3/4" x 3/4" From $13.49

Sponsored
From$1349
Uxcell Y Type Copper Fitting, Welding Joint Split Union Intersection for HVAC, Air Conditioning Refrigeration 3/4" x 3/4" x 3/4"
Uxcell 6 Pcs Straight Union Push to Connect Fitting, 5/16" x 3/8" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black $9.89

$989
current price $9.89Uxcell 6 Pcs Straight Union Push to Connect Fitting, 5/16" x 3/8" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black
Nylon Union, Push-to-Connect x Push-to-Connect, For 5/16 in x 5/16 in Tube OD, Black, 10 PK $64.32 $64.32/1

$6432
current price $64.32$64.32/1
Nylon Union, Push-to-Connect x Push-to-Connect, For 5/16 in x 5/16 in Tube OD, Black, 10 PK
Supco 1/4" Union Connector with Shut Off valve for Hot or Cold, SPFUV14 $11.99

$1199
current price $11.99Supco 1/4" Union Connector with Shut Off valve for Hot or Cold, SPFUV14
5/16" x 1/4" Pneumatic Push to Connect Fittings Straight Union, White $7.89

$789
current price $7.895/16" x 1/4" Pneumatic Push to Connect Fittings Straight Union, White
G1 Copper Union Fitting with Sweat Solder Joint to Male Threaded Connect for Use 28mm Nominal Size Pipes $19.49

$1949
current price $19.49G1 Copper Union Fitting with Sweat Solder Joint to Male Threaded Connect for Use 28mm Nominal Size Pipes
Imperial Black Stove Pipe Union Connector 8 In x 4 In 24 Ga BM0049 - Pack of 3 $47.31

$4731
current price $47.31Imperial Black Stove Pipe Union Connector 8 In x 4 In 24 Ga BM0049 - Pack of 3
NFTIGB 10Pcs OD 0.47 inches / 12mm Air Hose Pneumatic 3 Way Tee Union Connector Air Push Quick Fittings, Durable Plastic Material, Easy Installation for Home Improvement and Industrial Applications $12.86

$1286
current price $12.86NFTIGB 10Pcs OD 0.47 inches / 12mm Air Hose Pneumatic 3 Way Tee Union Connector Air Push Quick Fittings, Durable Plastic Material, Easy Installation for Home Improvement and Industrial Applications
1 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 3/8"ODx3/8" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules for Air, Oil $12.49

$1249
current price $12.491 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 3/8"ODx3/8" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules for Air, Oil
(10) EZ-Fluid 5/8" Comp. x 3/8" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $9.99

Sponsored
$999
current price $9.99(10) EZ-Fluid 5/8" Comp. x 3/8" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
(1Pk) EZ-Fluid 1/4" Comp x 3/8" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $9.99

Sponsored
$999
current price $9.99(1Pk) EZ-Fluid 1/4" Comp x 3/8" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
Uxcell 6 Pcs Straight Union Push to Connect Fitting, 3/16" x 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black $8.87

$887
current price $8.87Uxcell 6 Pcs Straight Union Push to Connect Fitting, 3/16" x 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black
2x Reducer 5/16" 1/4 OD Straight Push In to Connect Union Fitting Air Pneumatic $11.25

$1125
current price $11.252x Reducer 5/16" 1/4 OD Straight Push In to Connect Union Fitting Air Pneumatic
10x 1/4" OD Tube Pneumatic Straight Union Connector, Push To Connect Air Fitting $12.95

$1295
current price $12.9510x 1/4" OD Tube Pneumatic Straight Union Connector, Push To Connect Air Fitting
2Pcs Brass Compression Tube Fitting, 10mm Tube OD Connector, NPT Thread Compression Union Connectors & Compression Sleeves Ferrules, Brass Straight Coupling Adapter $16.56

$1656
current price $16.562Pcs Brass Compression Tube Fitting, 10mm Tube OD Connector, NPT Thread Compression Union Connectors & Compression Sleeves Ferrules, Brass Straight Coupling Adapter
Quickfitting HVAC Push-to-Connect Union HV-SC-0250 $16.88

$1688
current price $16.88Quickfitting HVAC Push-to-Connect Union HV-SC-0250
Pneumatic Tee Union Connect Fittings T Connector Splitter Air Line Tube Quick Release Hose Kit $10.61

$1061
current price $10.61Pneumatic Tee Union Connect Fittings T Connector Splitter Air Line Tube Quick Release Hose Kit
IPW Industries Inc-John Guest - Acetal Reducing Union Quick Connect Fitting 1/2" OD x 3/8" OD/Single- (PI201612S) $11.02

$1102
current price $11.02IPW Industries Inc-John Guest - Acetal Reducing Union Quick Connect Fitting 1/2" OD x 3/8" OD/Single- (PI201612S)
IPW Industries Inc-John Guest - Acetal Reducing Union Quick Connect Fitting 3/8" OD x 1/4" OD/Single- (PI201208S) $9.68

$968
current price $9.68IPW Industries Inc-John Guest - Acetal Reducing Union Quick Connect Fitting 3/8" OD x 1/4" OD/Single- (PI201208S)
1/4" Brass Push Lock Union Connector Quick Push-In Connect and Disconnect PP62C $12.59

$1259
current price $12.591/4" Brass Push Lock Union Connector Quick Push-In Connect and Disconnect PP62C
Novixy 2 Pack 6mm OD Pneumatic Straight Union Connector, Push to Connect Air Fitting for 1/4 Inch Tube, Plastic Quick Release Coupler for 0-150 PSI Systems $6.07

$607
current price $6.07Novixy 2 Pack 6mm OD Pneumatic Straight Union Connector, Push to Connect Air Fitting for 1/4 Inch Tube, Plastic Quick Release Coupler for 0-150 PSI Systems
10Pack Brass Pipe Fitting, 1/4" OD x 1/8" NPT Male Brass Compression Tube Fitting, Brass Compression Union Connector, Brass Straight Coupling Adapter Fitting Fit 1/4" Pipe $22.04

$2204
current price $22.0410Pack Brass Pipe Fitting, 1/4" OD x 1/8" NPT Male Brass Compression Tube Fitting, Brass Compression Union Connector, Brass Straight Coupling Adapter Fitting Fit 1/4" Pipe
Tefen Fitting Union Connector 1/2" 10 Pack $19.73

$1973
current price $19.73Tefen Fitting Union Connector 1/2" 10 Pack
Rectorseal 87023 0.87 in. Pro-Fit Quick Connect Union $26.97

$2697
current price $26.97Rectorseal 87023 0.87 in. Pro-Fit Quick Connect Union
B-500-6 | Swagelok Union Connector, 5/16" Tube : OD Compression, Brass $6.30

$630
current price $6.30B-500-6 | Swagelok Union Connector, 5/16" Tube : OD Compression, Brass
S-810-6 | Swagelok Union Connector, 1/2" Tube : OD Compression x 1/2" Tube : OD Compression, Carbon Steel $19.07

$1907
current price $19.07S-810-6 | Swagelok Union Connector, 1/2" Tube : OD Compression x 1/2" Tube : OD Compression, Carbon Steel
2 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 3/8"ODx3/8" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules for Air, Oil $15.99

$1599
current price $15.992 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 3/8"ODx3/8" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules for Air, Oil
Clearance, Brass Compression Fitting Straight Union Connector Equal US OD L3A8 $5.72 Was $6.71
Clearance

Now$572
current price Now $5.72, Was $6.71$6.71
Brass Compression Fitting Straight Union Connector Equal US OD L3A8
Pneumatic Tee Union Connect Fittings T Connector Splitter Air Line Tube Quick Release Hose Kit

Pneumatic Tee Union Connect Fittings T Connector Splitter Air Line Tube Quick Release Hose Kit
Other options to consider(47)
Popular in Union Connect
Related Products
B&K Industries Compression Coupling Galvanized Steel - 1 In. COMP x 1 In. COMP
B&K Industries Compression Coupling Galvanized Steel - 1 In. COMP x 1 In. COMP$17.53current price $17.53Quick Connect Tube Fitting 5/16 or 8mm – Push to Connect Fitting (5)
Quick Connect Tube Fitting 5/16 or 8mm – Push to Connect Fitting (5)$8.99current price $8.99YOUHO Brass Pipe Hose Hex Head Bushing Adapter Convert 3/4 NPT Male x 3/8 NPT Female Hex Bushing Adapter (2 packs)
YOUHO Brass Pipe Hose Hex Head Bushing Adapter Convert 3/4 NPT Male x 3/8 NPT Female Hex Bushing Adapter (2 packs)$8.99current price $8.99Lasco Fittings 3/8-Inch Female Compression x Ballcock Nut Water Supply - Stainless Steel - 12"
Lasco Fittings 3/8-Inch Female Compression x Ballcock Nut Water Supply - Stainless Steel - 12"$11.03current price $11.03Southland 511-208HN 2" Galvanized Banded Coupling
Southland 511-208HN 2" Galvanized Banded Coupling$15.61current price $15.61Everbilt LFA-665 Hose Pipe Adapter 3/4 in. MHT x 3/4 MIP or 1/2 in. FIP Brass
Everbilt LFA-665 Hose Pipe Adapter 3/4 in. MHT x 3/4 MIP or 1/2 in. FIP Brass$12.80current price $12.80B&K Industries Reducing Coupling 511-386HN Galvanized - Malleable Iron - 2" x 1.25"
B&K Industries Reducing Coupling 511-386HN Galvanized - Malleable Iron - 2" x 1.25"$15.34current price $15.34Merrill SMA200 Mfg. 2" Steel Male Adapter, Steel, 4.37 x 2.38
Merrill SMA200 Mfg. 2" Steel Male Adapter, Steel, 4.37 x 2.38$17.21current price $17.21Uxcell 2Pcs 304 Stainless Steel Forged Pipe Fitting, 3/4" NPT Female to M20x1.5 Thread Adapter Hex Pipe Fitting Adapter for Hose Line Connection Convert, Silver(1.38x1.42")
Uxcell 2Pcs 304 Stainless Steel Forged Pipe Fitting, 3/4" NPT Female to M20x1.5 Thread Adapter Hex Pipe Fitting Adapter for Hose Line Connection Convert, Silver(1.38x1.42")$20.82current price $20.82Tb Woods Sure-Flex Sleeve Coupling Flange, 8S, Bore 1-3/4" 8S134
Tb Woods Sure-Flex Sleeve Coupling Flange, 8S, Bore 1-3/4" 8S134$74.12current price $74.12Tb Woods Sure-Flex Sleeve Coupling Flange, 8S, Bore 1-1/4" 8S114
Tb Woods Sure-Flex Sleeve Coupling Flange, 8S, Bore 1-1/4" 8S114$71.69current price $71.69Sure-Flex Sleeve Coupling Flange, 6J, Bore 1-1/4" 6J114
Sure-Flex Sleeve Coupling Flange, 6J, Bore 1-1/4" 6J114$46.90current price $46.90Sure-Flex Sleeve Coupling Flange, 7S, Bore 1-1/4" 7S114
Sure-Flex Sleeve Coupling Flange, 7S, Bore 1-1/4" 7S114$61.60current price $61.60Southland 3/4 In. 90 Deg. Malleable Black Iron Elbow (1/4 Bend)
Southland 3/4 In. 90 Deg. Malleable Black Iron Elbow (1/4 Bend)$10.34current price $10.34Anderson Metals 53724-08 Pipe Fitting, Nylon Hose Barb Tee, 1/2 In. ID - Quantity 5
Anderson Metals 53724-08 Pipe Fitting, Nylon Hose Barb Tee, 1/2 In. ID - Quantity 5$11.72current price $11.72Sure-Flex Sleeve Coupling Flange, 8S, Bore 1-1/8" 8S118
Sure-Flex Sleeve Coupling Flange, 8S, Bore 1-1/8" 8S118$72.67current price $72.67Tb Woods Sure-Flex Sleeve Coupling Insert, 9JES, EPDM Rubber 9JS
Tb Woods Sure-Flex Sleeve Coupling Insert, 9JES, EPDM Rubber 9JS$79.96current price $79.96STEELMAN UQC14M-IND 1/4-Inch Plated Brass 3-In-1 Universal Quick Disconnect Coupler with 1/4-Inch Male NPT Threads
STEELMAN UQC14M-IND 1/4-Inch Plated Brass 3-In-1 Universal Quick Disconnect Coupler with 1/4-Inch Male NPT Threads$14.99current price $14.99