Shop Union Pipe Connectors

Sponsored
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$613.00
DSTI Rotary Union, 2-Passage, 1/4"-18 NPT Connections, Carbon Steel (GP-220)
DSTI Store
$613.00
DSTI Rotary Union, 2-Passage, 1/4"-18 NPT Connections, Carbon Steel (GP-220)
DSTI Store
$39.49
Power Products Straight Union 3/4" Tube To 3/4" Tube Push To Connect | Dot Fitting | NP6212C
FleetPride
$39.49
Power Products Straight Union 3/4" Tube To 3/4" Tube Push To Connect | Dot Fitting | NP6212C
FleetPride
$15.69
Tramec Brass Fitting | Tee, Union | S764PMT-6
FleetPride
$15.69
Tramec Brass Fitting | Tee, Union | S764PMT-6
FleetPride
$12.09
Power Products Union Tee - 3/8" Tube To 3/8" Tube To 1/4" Tube | Dot Fitting | NP64664C
FleetPride
$12.09
Power Products Union Tee - 3/8" Tube To 3/8" Tube To 1/4" Tube | Dot Fitting | NP64664C
FleetPride
$16.00
Cast Iron In-Line Fitting - Joining Tee - ULINE
Uline
$16.00
Cast Iron In-Line Fitting - Joining Tee - ULINE
Uline
$14.56
Made In USA | Anvil Black Pipe Fittings: Fitting Type: Union, Fitting Size: 1", End Connections: Threaded, Material: Malleable Iron - Malleable Iron
MSC Direct
$14.56
Made In USA | Anvil Black Pipe Fittings: Fitting Type: Union, Fitting Size: 1", End Connections: Threaded, Material: Malleable Iron - Malleable Iron
MSC Direct
$8.00
$12.00
Pioneer Flare Union Kit - Joins Two Pipe Kits Together To Extend The Length - 1/4 - 1/2
High Seer
33% off
$8.00
$12.00
Pioneer Flare Union Kit - Joins Two Pipe Kits Together To Extend The Length - 1/4 - 1/2
High Seer
$147.20
$200.53
NIBCO 1/2" PVDF Plastic Pipe Socket Union - Schedule 80, S X S End Connections | Part 6533-1/2
MSC Direct
26% off
$147.20
$200.53
NIBCO 1/2" PVDF Plastic Pipe Socket Union - Schedule 80, S X S End Connections | Part 6533-1/2
MSC Direct
$17.99
2" PVC Union Pipe Fitting, 2" PVC Slip Union Coupling Adapter (Socket X Socket) Schedule 40, EPDM O-Ring, White2 Pack
Amazon.com
27
$17.99
2" PVC Union Pipe Fitting, 2" PVC Slip Union Coupling Adapter (Socket X Socket) Schedule 40, EPDM O-Ring, White2 Pack
Amazon.com
$16.00
Cast Iron End Fitting - Through Tee - ULINE
Uline
$16.00
Cast Iron End Fitting - Through Tee - ULINE
Uline
$116.60
NIBCO Wrot Copper Pipe Union: 1/2" Fitting, P X F, Press Fitting, Lead Free - P X F, Press Fitting | 5-Pack | Part 9256700PC
MSC Direct
$116.60
NIBCO Wrot Copper Pipe Union: 1/2" Fitting, P X F, Press Fitting, Lead Free - P X F, Press Fitting | 5-Pack | Part 9256700PC
MSC Direct
$31.99
2" PVC Union Coupling Pipe Fitting PVC Adapter Schedule 40, EPDM O-Ring, 2 Inch Slip Coupling Fitting (Socket X Socket), 6 Pack, White
Amazon.com
32
$31.99
2" PVC Union Coupling Pipe Fitting PVC Adapter Schedule 40, EPDM O-Ring, 2 Inch Slip Coupling Fitting (Socket X Socket), 6 Pack, White
Amazon.com
$9.88
Podavelle 4AN Male Flare To 1/4 NPT Pipe Male Fitting Adapter Union Coupler Straight Aluminum Black, Pack Of 2
Amazon.com
147
$9.88
Podavelle 4AN Male Flare To 1/4 NPT Pipe Male Fitting Adapter Union Coupler Straight Aluminum Black, Pack Of 2
Amazon.com
$16.00
Cast Iron End Fitting - 90° Elbow - ULINE
Uline
$16.00
Cast Iron End Fitting - 90° Elbow - ULINE
Uline
$19.40
Union Connector Acetal 1/4 Qc X 1/4 Qc Bag Of 10
Fresh Water Systems
$19.40
Union Connector Acetal 1/4 Qc X 1/4 Qc Bag Of 10
Fresh Water Systems
$2.00
Dmfit Union Connector - 3/8 Push-In X 1/4 Push-In Single
Fresh Water Systems
$2.00
Dmfit Union Connector - 3/8 Push-In X 1/4 Push-In Single
Fresh Water Systems
$2.71
Dmfit Power Union Connector - 3/8 - Single
Fresh Water Systems
$2.71
Dmfit Power Union Connector - 3/8 - Single
Fresh Water Systems
$62.12
Stainless Steel DN 5 Air Coupling Plug 6x8 mm Union Nut Double Shut-Off
Tameson.com
$62.12
Stainless Steel DN 5 Air Coupling Plug 6x8 mm Union Nut Double Shut-Off
Tameson.com
$499.00
$747.00
Zurn Elkay 3-DUXLC 3" Iron / Copper Dielectric Union Pipe Fitting
WebstaurantStore
33% off
$499.00
$747.00
Zurn Elkay 3-DUXLC 3" Iron / Copper Dielectric Union Pipe Fitting
WebstaurantStore
$14.93
PVC Union Fitting Socket 32x61mm EPDM [2 Pieces]
Tameson.com
$14.93
PVC Union Fitting Socket 32x61mm EPDM [2 Pieces]
Tameson.com
$617.00
Dixon 8 in. Threaded Hammer Union Fig 100 Series - 8 in. - Threaded - HU100800
John M. Ellsworth Co., Inc.
$617.00
Dixon 8 in. Threaded Hammer Union Fig 100 Series - 8 in. - Threaded - HU100800
John M. Ellsworth Co., Inc.
$45.15
Nickel-Plated Brass DN 5 Green Air Coupling Plug 6x8 mm Union Nut Double Shut-Off
Tameson.com
$45.15
Nickel-Plated Brass DN 5 Green Air Coupling Plug 6x8 mm Union Nut Double Shut-Off
Tameson.com
$23.99
Coates Split Nut Union For SHA/SHB PVC, 1-1/2 - 2" 32705010
PoolZoom.com
$23.99
Coates Split Nut Union For SHA/SHB PVC, 1-1/2 - 2" 32705010
PoolZoom.com
$11.00
Polypropylene, Elbow Connector, 1/16" Tube ID, Quantity 10/Bag, By Component Supply
Chamfr
$11.00
Polypropylene, Elbow Connector, 1/16" Tube ID, Quantity 10/Bag, By Component Supply
Chamfr
$19.95
CMP 21063-250-000 2"MPT X 2.5"S Hi-Temp Union With O-Ring
Pool Warehouse
2
$19.95
CMP 21063-250-000 2"MPT X 2.5"S Hi-Temp Union With O-Ring
Pool Warehouse
$39.88
$640.00
UNY215 - Crouse-Hinds Steel Rigid/IMC Conduit Union 1/2" Female X 3/4" Male Group B Rated
Essential Electric Supply
93% off
$39.88
$640.00
UNY215 - Crouse-Hinds Steel Rigid/IMC Conduit Union 1/2" Female X 3/4" Male Group B Rated
Essential Electric Supply
$25.68
1-1/2 in. Fip Threaded Dielectric Union Zinc Coated Steel And Brass Union Fitting
Home Depot
10
Free shipping
$25.68
1-1/2 in. Fip Threaded Dielectric Union Zinc Coated Steel And Brass Union Fitting
Home Depot
$0.99
1 in. PVC Pipe Union W/ EPDM O-Ring Seals Schedule-40 Pipe/Repair Fitting Slip/Socket ASTM D2466/F1970 1"
247Garden
$0.99
1 in. PVC Pipe Union W/ EPDM O-Ring Seals Schedule-40 Pipe/Repair Fitting Slip/Socket ASTM D2466/F1970 1"
247Garden
$7.37
$13.40
T&S S150A Union Coupling Tailpiece, Stainless Steel, 0.5" NSPM Female Coupling Nut, 0.25" NPT Tailpiece
KaTom Restaurant Supply, Inc.
45% off
$7.37
$13.40
T&S S150A Union Coupling Tailpiece, Stainless Steel, 0.5" NSPM Female Coupling Nut, 0.25" NPT Tailpiece
KaTom Restaurant Supply, Inc.
$10.95
CMP 21063-200-000 2"MPT X 2"S Hi-Temp Union With O-Ring
Pool Warehouse
4
$10.95
CMP 21063-200-000 2"MPT X 2"S Hi-Temp Union With O-Ring
Pool Warehouse
$0.99
3/4 in. Schedule 40 PVC Male Union Pipe/Pump Fitting W/ O-Ring ASTM D2466/F1970 NPT
247Garden
$0.99
3/4 in. Schedule 40 PVC Male Union Pipe/Pump Fitting W/ O-Ring ASTM D2466/F1970 NPT
247Garden
$12.00
Potable Water Push-to-connect Fitting: 5/pk, union tee (PN# UT14-P)
Automation Direct
$12.00
Potable Water Push-to-connect Fitting: 5/pk, union tee (PN# UT14-P)
Automation Direct
$0.72
3/4 in. PVC Union Female-Threaded W/ EPDM O-Ring Seals Schedule-40 Pipe Fitting ASTM D2466/F1970 Fnptxfnpt
247Garden
$0.72
3/4 in. PVC Union Female-Threaded W/ EPDM O-Ring Seals Schedule-40 Pipe Fitting ASTM D2466/F1970 Fnptxfnpt
247Garden
$83.46
$111.28
UNL215 - Crouse-Hinds Rigid/IMC Conduit Union Feraloy Iron Alloy 1/2" Female To 3/4" Male
Essential Electric Supply
25% off
$83.46
$111.28
UNL215 - Crouse-Hinds Rigid/IMC Conduit Union Feraloy Iron Alloy 1/2" Female To 3/4" Male
Essential Electric Supply
$51.10
Swagelok® Swagelok Bored-Through Union, Swagelok 400-6BT, Stainless Steel, 1/4 in. 1 Each
Sigma-Aldrich
$51.10
Swagelok® Swagelok Bored-Through Union, Swagelok 400-6BT, Stainless Steel, 1/4 in. 1 Each
Sigma-Aldrich
$969.00
DSTI Rotary Union, 6-Passage, 1/8"-27 NPT Connections, Carbon Steel (GP-161)
DSTI Store
$969.00
DSTI Rotary Union, 6-Passage, 1/8"-27 NPT Connections, Carbon Steel (GP-161)
DSTI Store
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Premium 304/316 Stainless Steel Union Pipe Fitting for Reliable Connections
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JoyTube Plastic Hose Barb Reducer Pipe Fittings, 5/16" to 3/16" Hose I…
4 months ago
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Feelers 3/8" x 3/8" Plastic Hose Barb Fitting, Pipe Connectors Barbed S…
May 27, 2021
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6PCS 1/4" ID Hose Barb Fittings, T Shaped Hose Barb with 3 Way Pip…
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55Pcs Hose Barb Fittings,11 sizes of barbed hose fittings, Equal Barbe…
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Homaisson 6Pcs 3/4’’ PVC Union Pipe Fittings, 3/4’’ PVC Coupling A…
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How to Install a Union on Old Plumbing
Oct 20, 2012
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Copper Union Fittings | Easy Disconnection for Maintenance
2 months ago
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Threaded Union
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Shop Union Pipe Connectors

Sponsored
About our ads
$613.00
DSTI Rotary Union, 2-Passage, 1/4"-18 NPT Connections, Carbon Steel (GP-220)
DSTI Store
$613.00
DSTI Rotary Union, 2-Passage, 1/4"-18 NPT Connections, Carbon Steel (GP-220)
DSTI Store
$39.49
Power Products Straight Union 3/4" Tube To 3/4" Tube Push To Connect | Dot Fitting | NP6212C
FleetPride
$39.49
Power Products Straight Union 3/4" Tube To 3/4" Tube Push To Connect | Dot Fitting | NP6212C
FleetPride
$15.69
Tramec Brass Fitting | Tee, Union | S764PMT-6
FleetPride
$15.69
Tramec Brass Fitting | Tee, Union | S764PMT-6
FleetPride
$12.09
Power Products Union Tee - 3/8" Tube To 3/8" Tube To 1/4" Tube | Dot Fitting | NP64664C
FleetPride
$12.09
Power Products Union Tee - 3/8" Tube To 3/8" Tube To 1/4" Tube | Dot Fitting | NP64664C
FleetPride
$16.00
Cast Iron In-Line Fitting - Joining Tee - ULINE
Uline
$16.00
Cast Iron In-Line Fitting - Joining Tee - ULINE
Uline
$14.56
Made In USA | Anvil Black Pipe Fittings: Fitting Type: Union, Fitting Size: 1", End Connections: Threaded, Material: Malleable Iron - Malleable Iron
MSC Direct
$14.56
Made In USA | Anvil Black Pipe Fittings: Fitting Type: Union, Fitting Size: 1", End Connections: Threaded, Material: Malleable Iron - Malleable Iron
MSC Direct
$8.00
$12.00
Pioneer Flare Union Kit - Joins Two Pipe Kits Together To Extend The Length - 1/4 - 1/2
High Seer
33% off
$8.00
$12.00
Pioneer Flare Union Kit - Joins Two Pipe Kits Together To Extend The Length - 1/4 - 1/2
High Seer
$147.20
$200.53
NIBCO 1/2" PVDF Plastic Pipe Socket Union - Schedule 80, S X S End Connections | Part 6533-1/2
MSC Direct
26% off
$147.20
$200.53
NIBCO 1/2" PVDF Plastic Pipe Socket Union - Schedule 80, S X S End Connections | Part 6533-1/2
MSC Direct
$17.99
2" PVC Union Pipe Fitting, 2" PVC Slip Union Coupling Adapter (Socket X Socket) Schedule 40, EPDM O-Ring, White2 Pack
Amazon.com
27
$17.99
2" PVC Union Pipe Fitting, 2" PVC Slip Union Coupling Adapter (Socket X Socket) Schedule 40, EPDM O-Ring, White2 Pack
Amazon.com
$16.00
Cast Iron End Fitting - Through Tee - ULINE
Uline
$16.00
Cast Iron End Fitting - Through Tee - ULINE
Uline
$116.60
NIBCO Wrot Copper Pipe Union: 1/2" Fitting, P X F, Press Fitting, Lead Free - P X F, Press Fitting | 5-Pack | Part 9256700PC
MSC Direct
$116.60
NIBCO Wrot Copper Pipe Union: 1/2" Fitting, P X F, Press Fitting, Lead Free - P X F, Press Fitting | 5-Pack | Part 9256700PC
MSC Direct
$31.99
2" PVC Union Coupling Pipe Fitting PVC Adapter Schedule 40, EPDM O-Ring, 2 Inch Slip Coupling Fitting (Socket X Socket), 6 Pack, White
Amazon.com
32
$31.99
2" PVC Union Coupling Pipe Fitting PVC Adapter Schedule 40, EPDM O-Ring, 2 Inch Slip Coupling Fitting (Socket X Socket), 6 Pack, White
Amazon.com
$9.88
Podavelle 4AN Male Flare To 1/4 NPT Pipe Male Fitting Adapter Union Coupler Straight Aluminum Black, Pack Of 2
Amazon.com
147
$9.88
Podavelle 4AN Male Flare To 1/4 NPT Pipe Male Fitting Adapter Union Coupler Straight Aluminum Black, Pack Of 2
Amazon.com
$16.00
Cast Iron End Fitting - 90° Elbow - ULINE
Uline
$16.00
Cast Iron End Fitting - 90° Elbow - ULINE
Uline
$19.40
Union Connector Acetal 1/4 Qc X 1/4 Qc Bag Of 10
Fresh Water Systems
$19.40
Union Connector Acetal 1/4 Qc X 1/4 Qc Bag Of 10
Fresh Water Systems
$2.00
Dmfit Union Connector - 3/8 Push-In X 1/4 Push-In Single
Fresh Water Systems
$2.00
Dmfit Union Connector - 3/8 Push-In X 1/4 Push-In Single
Fresh Water Systems
$2.71
Dmfit Power Union Connector - 3/8 - Single
Fresh Water Systems
$2.71
Dmfit Power Union Connector - 3/8 - Single
Fresh Water Systems
$62.12
Stainless Steel DN 5 Air Coupling Plug 6x8 mm Union Nut Double Shut-Off
Tameson.com
$62.12
Stainless Steel DN 5 Air Coupling Plug 6x8 mm Union Nut Double Shut-Off
Tameson.com