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FaucetsAir ToolsBathroom PlumbingConduits and FittingsElectrical ToolsHand ToolsHVAC Ducting and VentilationKitchen PlumbingMechanics ToolsOutdoor DrainagePipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesRailingRubberStair PartsValves & Valve RepairWater Filtration & Water SoftenersWater Heaters
Pipe Fitting Union(1000+)
Uses item details. Price when purchased online
(1Pk) EZ-Fluid 3/8" 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 $9.55
Sponsored
$955
current price $9.55(1Pk) EZ-Fluid 3/8" 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
(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
3 out of 5 stars
XtremepowerUS 2pc Union Fitting for Pool Pump, 2" NPT x 1.5" & 2" Slip PVC, 2 Pack From $24.95
Sponsored
From$2495
XtremepowerUS 2pc Union Fitting for Pool Pump, 2" NPT x 1.5" & 2" Slip PVC, 2 Pack
3.6 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 $18.95 $9.48/count
Sponsored
$1895
current price $18.95$9.48/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
3/4" PVC Union Coupling Pipe Fitting (Socket x Socket) PVC Adapter Schedule 40, EPDM O-Ring, 3/4 Inch White 2 Pack From $5.99
6 options
Available in additional 6 optionsFrom$599
3/4" PVC Union Coupling Pipe Fitting (Socket x Socket) PVC Adapter Schedule 40, EPDM O-Ring, 3/4 Inch White 2 Pack
4.3 out of 5 stars
2 Pack Brass Compression Tube Pipe Fitting, 1/4"OD Compression x 1/4" NPT Male Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil, Pipeline Systems $11.99
$1199
current price $11.992 Pack Brass Compression Tube Pipe Fitting, 1/4"OD Compression x 1/4" NPT Male Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil, Pipeline Systems
2Pack 1" Union Coupling Pipe Fitting (Socket x Socket), Union Coupling Adapter, Schedule 40 EPDM O-Ring for Irrigation, Pool System, Indoor Plumbing Project (White) $10.99
$1099
current price $10.992Pack 1" Union Coupling Pipe Fitting (Socket x Socket), Union Coupling Adapter, Schedule 40 EPDM O-Ring for Irrigation, Pool System, Indoor Plumbing Project (White)
5 out of 5 stars
Schedule 40 PVC Union 6 Inch, Slip Socket Connection, Removable Pipe Fitting for Plumbing & Irrigation Systems $57.00
$5700
current price $57.00Schedule 40 PVC Union 6 Inch, Slip Socket Connection, Removable Pipe Fitting for Plumbing & Irrigation Systems
Uxcell 1Pcs 1 1/4" Union Coupling Pipe Fitting, SCH40 (Socket x Socket) Furniture Grade Slip Union Coupling Adapter for Pipe Connection, Hose Extension $13.49
$1349
current price $13.49Uxcell 1Pcs 1 1/4" Union Coupling Pipe Fitting, SCH40 (Socket x Socket) Furniture Grade Slip Union Coupling Adapter for Pipe Connection, Hose Extension
1/4" NPT Female Solid Brass Three Piece Pipe Union Fitting Adapter $14.29
$1429
current price $14.291/4" NPT Female Solid Brass Three Piece Pipe Union Fitting Adapter
LTWFITTING 1/8" OD Compression Union,Brass Compression Fitting(Pack of 30) $32.99
Sponsored
$3299
current price $32.99LTWFITTING 1/8" OD Compression Union,Brass Compression Fitting(Pack of 30)
LTWFITTING 3/8" OD Compression Union,Brass Compression Fitting(pack of 10) $20.95
Sponsored
$2095
current price $20.95LTWFITTING 3/8" OD Compression Union,Brass Compression Fitting(pack of 10)
5 out of 5 stars
Rollback, Uxcell 2Pcs 50mm(1-1/2") PVC-Union Coupling Pipe Fitting, Slip Joint Adapter (Socket x Socket) Built-in EPDM O-Ring with Tape for Irrigation Systems, Pipe Connection, Gray $18.89 Was $20.99
Rollback
Now$1889
current price Now $18.89, Was $20.99$20.99
Uxcell 2Pcs 50mm(1-1/2") PVC-Union Coupling Pipe Fitting, Slip Joint Adapter (Socket x Socket) Built-in EPDM O-Ring with Tape for Irrigation Systems, Pipe Connection, Gray
Uxcell 1/2" OD Brass Flare Union Connector, 1 Set Copper Double Pipe Extension Fitting with Nut, 1.77x0.75" From $10.49
2 options
Available in additional 2 optionsFrom$1049
Uxcell 1/2" OD Brass Flare Union Connector, 1 Set Copper Double Pipe Extension Fitting with Nut, 1.77x0.75"
2 Pack Brass Compression Tube Pipe Fitting, 3/8" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas $14.99
$1499
current price $14.992 Pack Brass Compression Tube Pipe Fitting, 3/8" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas
Ace Hardware Galvanized Pipe Fitting Union - 1.5 In. Silver Malleable Iron $23.94
$2394
current price $23.94Ace Hardware Galvanized Pipe Fitting Union - 1.5 In. Silver Malleable Iron
2Pack Brass 4 Way Pipe Fitting, 3/4" (19mm) Cross Barb Union Fitting Pipe Adapter $18.99
$1899
current price $18.992Pack Brass 4 Way Pipe Fitting, 3/4" (19mm) Cross Barb Union Fitting Pipe Adapter
Uxcell 3/8 SAE Male x 3/8 SAE Male Brass Flare Union Connector, 2 Pcs Gas Adapter Brass Tube Coupler Pipe Fitting From $10.99
7 options
Available in additional 7 optionsFrom$1099
Uxcell 3/8 SAE Male x 3/8 SAE Male Brass Flare Union Connector, 2 Pcs Gas Adapter Brass Tube Coupler Pipe Fitting
2 out of 5 stars
Pipe Fitting, Dielectric Union, 1/2", Homewerks, 520-01-12-12B-Z $17.82
$1782
current price $17.82Pipe Fitting, Dielectric Union, 1/2", Homewerks, 520-01-12-12B-Z
LTWFITTING 3/16" OD Compression Union,Brass Compression Fitting(Pack of 30) $36.49
Sponsored
$3649
current price $36.49LTWFITTING 3/16" OD Compression Union,Brass Compression Fitting(Pack of 30)
LTWFITTING Brass 1/2" OD x 3/8" OD Flare Forged Reducing Swivel Nut Union Tube Fitting(Pack of 5) $20.99
Sponsored
$2099
current price $20.99LTWFITTING Brass 1/2" OD x 3/8" OD Flare Forged Reducing Swivel Nut Union Tube Fitting(Pack of 5)
Midline Valve CPVC Union Coupling Pipe Fitting; 3/4'' Solvent Connections; Bone Color Plastic From $5.53
6 options
Available in additional 6 optionsFrom$553
Midline Valve CPVC Union Coupling Pipe Fitting; 3/4'' Solvent Connections; Bone Color Plastic
1 out of 5 stars
511-704HN Galvanized Pipe Fitting, Union, Brass/Iron, 3/4-In. $15.48
$1548
current price $15.48511-704HN Galvanized Pipe Fitting, Union, Brass/Iron, 3/4-In.
1-1/4" PVC Union Coupling Pipe Fitting, Adapter (Socket x Socket), Slip Schedule 40, EPDM O-Ring, White (2 Pack) $22.99
$2299
current price $22.991-1/4" PVC Union Coupling Pipe Fitting, Adapter (Socket x Socket), Slip Schedule 40, EPDM O-Ring, White (2 Pack)
1/4" NPT Female Nickel Plated Brass Pipe Unions Adapter Fitting Connector 2 Pack $16.95 $8.48/ea
$1695
current price $16.95$8.48/ea
1/4" NPT Female Nickel Plated Brass Pipe Unions Adapter Fitting Connector 2 Pack
Uxcell 4Pcs Union Pipe Fitting 2" Male Adapter Thread Connector Pipe Sink Drain Adapters for Connecting Pipes, Blue $19.71
$1971
current price $19.71Uxcell 4Pcs Union Pipe Fitting 2" Male Adapter Thread Connector Pipe Sink Drain Adapters for Connecting Pipes, Blue
Uxcell 1 Pack Hose Barb Fitting, 1/2"x1/2"x1/2" 304 Stainless Steel Tee Hose Barbed Fitting with 1 Pack Clamps, T-Shaped Pipe Tube Splicer Union Adapter for Fuel Line Air Hose Gas, Silver $16.49
$1649
current price $16.49Uxcell 1 Pack Hose Barb Fitting, 1/2"x1/2"x1/2" 304 Stainless Steel Tee Hose Barbed Fitting with 1 Pack Clamps, T-Shaped Pipe Tube Splicer Union Adapter for Fuel Line Air Hose Gas, Silver
5 Pcs Brass Compression Tube Fittings Connector Set 1/4 Inch Hose Pipe Union Golden Finish $8.73
$873
current price $8.735 Pcs Brass Compression Tube Fittings Connector Set 1/4 Inch Hose Pipe Union Golden Finish
Schedule 40 PVC Pipe - Union Fitting - Slip x Slip From $33.29
5 options
Available in additional 5 optionsFrom$3329
Schedule 40 PVC Pipe - Union Fitting - Slip x Slip
LTWFITTING Assortment Kit Tube OD 1/4" 5/16" 3/8" 1/2" LF Brass Compression Union Set (Pack of 20) $46.98
Sponsored
$4698
current price $46.98LTWFITTING Assortment Kit Tube OD 1/4" 5/16" 3/8" 1/2" LF Brass Compression Union Set (Pack of 20)
LTWFITTING Assortment Kit Tube OD 3/8" 7/16" 1/2" 5/8" Brass Compression Union Set (Pack of 25) $47.98
Sponsored
$4798
current price $47.98LTWFITTING Assortment Kit Tube OD 3/8" 7/16" 1/2" 5/8" Brass Compression Union Set (Pack of 25)
Midline Valve PVC Union Coupling Pipe Fitting; 3/4'' Solvent Connections; Grey Plastic From $6.99
6 options
Available in additional 6 optionsFrom$699
Midline Valve PVC Union Coupling Pipe Fitting; 3/4'' Solvent Connections; Grey Plastic
2 out of 5 stars
2 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 1/2"ODx1/2" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules and Sealing Tape for Air, Oil $18.99
$1899
current price $18.992 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 1/2"ODx1/2" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules and Sealing Tape for Air, Oil
3 Pack Brass Compression Tube Pipe Fitting, 1/4" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas $14.99
$1499
current price $14.993 Pack Brass Compression Tube Pipe Fitting, 1/4" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas
Pipe Fitting, Dielectric Union, Lead Free, 3/4 x 1/2-In. $18.08
$1808
current price $18.08Pipe Fitting, Dielectric Union, Lead Free, 3/4 x 1/2-In.
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
2 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16" OD Compression x 1/4" NPT Male Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil $10.49
$1049
current price $10.492 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16" OD Compression x 1/4" NPT Male Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil
Brass Pipe Union Connector Couplings 1/2PT Fitting ,With Female Threaded Connects Two Pipes $9.99
$999
current price $9.99Brass Pipe Union Connector Couplings 1/2PT Fitting ,With Female Threaded Connects Two Pipes
3/8" Male Flare x 3/8" Male Flare Connector Gas Adapter Union Brass Tube Coupler Pipe Fitting (2PCS) $20.99
$2099
current price $20.993/8" Male Flare x 3/8" Male Flare Connector Gas Adapter Union Brass Tube Coupler Pipe Fitting (2PCS)
Mueller 1/8" FNPT Galvanized Union Pipe Fitting - Malleable Iron - 0.12" Size $21.39
$2139
current price $21.39Mueller 1/8" FNPT Galvanized Union Pipe Fitting - Malleable Iron - 0.12" Size
Uxcell 2Pcs 1" Union Coupling Pipe Fitting, SCH40 (Socket x Socket) Furniture Grade Slip Union Coupling Adapter for Pipe Connection, Hose Extension $9.99
$999
current price $9.99Uxcell 2Pcs 1" Union Coupling Pipe Fitting, SCH40 (Socket x Socket) Furniture Grade Slip Union Coupling Adapter for Pipe Connection, Hose Extension
Rollback, Uxcell 2Pcs 40mm(1-1/4") PVC-Union Coupling Pipe Fitting, Slip Joint Adapter (Socket x Socket) Built-in EPDM O-Ring with Tape for Irrigation Systems, Pipe Connection, Gray $15.29 Was $16.99
Rollback
Now$1529
current price Now $15.29, Was $16.99$16.99
Uxcell 2Pcs 40mm(1-1/4") PVC-Union Coupling Pipe Fitting, Slip Joint Adapter (Socket x Socket) Built-in EPDM O-Ring with Tape for Irrigation Systems, Pipe Connection, Gray
Pex Pipe Fitting, Quick Connect Union, 1/2" Od, Watts, PL-3030 $23.63
$2363
current price $23.63Pex Pipe Fitting, Quick Connect Union, 1/2" Od, Watts, PL-3030
3/8" NPT Female Solid Brass Three Piece Pipe Union Fitting Adapter $22.95
$2295
current price $22.953/8" NPT Female Solid Brass Three Piece Pipe Union Fitting Adapter
Homewerks 511-44-2-2B Union Schedule 40 2" FIP X 2" D FIP PVC 3-1/2" $19.20
$1920
current price $19.20Homewerks 511-44-2-2B Union Schedule 40 2" FIP X 2" D FIP PVC 3-1/2"
2Pack 1/2" Union Coupling Pipe Fitting (Socket x Socket), Union Coupling Adapter, Schedule 40 EPDM O-Ring for Irrigation, Pool System, Indoor Plumbing Project (White) $10.30
$1030
current price $10.302Pack 1/2" Union Coupling Pipe Fitting (Socket x Socket), Union Coupling Adapter, Schedule 40 EPDM O-Ring for Irrigation, Pool System, Indoor Plumbing Project (White)
Uxcell Brass Tube Coupler 5/16" Flare Male Connector Pipe Coupling Fitting Union Gas Adapter for Air Conditioner 2 Pack From $9.19
4 options
Available in additional 4 optionsFrom$919
Uxcell Brass Tube Coupler 5/16" Flare Male Connector Pipe Coupling Fitting Union Gas Adapter for Air Conditioner 2 Pack
Slip Pipe Fitting Union Solvent Socket Quick Connector, 20mm
Slip Pipe Fitting Union Solvent Socket Quick Connector, 20mm
Pipe Fittings, Dielectric Union, Lead Free, 3/4 x 3/4 In. $19.73
$1973
current price $19.73Pipe Fittings, Dielectric Union, Lead Free, 3/4 x 3/4 In.
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