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Union Fitting(1000+)
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
(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
(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
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
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
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
LTWFITTING 7/8" OD Compression Union,Brass Compression Fitting(Pack of 3) $26.99

$2699
current price $26.99LTWFITTING 7/8" OD Compression Union,Brass Compression Fitting(Pack of 3)
ZHZFKQ 3/8" Flare X 1/2" Flare Male Brass Tube Fitting,Union Reducing Coupling Flared Fitting for Propane Fuel and Gas Lines,Durable Brass Pipe Connector,Leak-Resistant 1/2" Propane Fitting,2 Pack $8.31

$831
current price $8.31ZHZFKQ 3/8" Flare X 1/2" Flare Male Brass Tube Fitting,Union Reducing Coupling Flared Fitting for Propane Fuel and Gas Lines,Durable Brass Pipe Connector,Leak-Resistant 1/2" Propane Fitting,2 Pack
Brass Hex Thru-Bulk Head Union Fitting, 1/4" ID Hose Barb, 2Pcs with Flat Washer G $24.78

$2478
current price $24.78Brass Hex Thru-Bulk Head Union Fitting, 1/4" ID Hose Barb, 2Pcs with Flat Washer G
Teal Turtle Low Lead Brass Flare Union Fitting 1/2 Inch Male Flare x Male Flare - Pack of 2 $15.38

$1538
current price $15.38Teal Turtle Low Lead Brass Flare Union Fitting 1/2 Inch Male Flare x Male Flare - Pack of 2
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 5/8" Brass Hose Barb Fitting, Y Type Barb Union Fittings Metals Splicer From $7.99

Sponsored
From$799
Uxcell 5/8" Brass Hose Barb Fitting, Y Type Barb Union Fittings Metals Splicer
5 out of 5 stars
Lasco Fittings Brass Flare Union 17-4211 - 1/4 Inch Flare Coupling - 0.25" Gold $7.94

$794
current price $7.94Lasco Fittings Brass Flare Union 17-4211 - 1/4 Inch Flare Coupling - 0.25" Gold
Anderson Metals Corp. Compression Union Brass Ice Maker Fitting - 1/4 In. OD x 3/4 In. FHT $15.34

$1534
current price $15.34Anderson Metals Corp. Compression Union Brass Ice Maker Fitting - 1/4 In. OD x 3/4 In. FHT
5 out of 5 stars
Uxcell 2-Pack Hose Barb Fitting, Plastic 3/8" Barb to 1/2" NPT Male Thread Adapter Union Fittings for Water Treatment [Clear] $10.79
![Uxcell 2-Pack Hose Barb Fitting, Plastic 3/8" Barb to 1/2" NPT Male Thread Adapter Union Fittings for Water Treatment [Clear]](https://i5.walmartimages.com/seo/Uxcell-2-Pack-Hose-Barb-Fitting-Plastic-3-8-Barb-to-1-2-NPT-Male-Thread-Adapter-Union-Fittings-for-Water-Treatment-Clear_9e6a0aa3-3172-4dcd-a0f0-b796542eba9c.9629dd72a80f837372ed4b82828af019.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1079
current price $10.79Uxcell 2-Pack Hose Barb Fitting, Plastic 3/8" Barb to 1/2" NPT Male Thread Adapter Union Fittings for Water Treatment [Clear]
4 PCS 3/4" PVC Union Coupling Pipe Fitting Slip Joint Adapter Connectors (Socket x Socket) Built-in EPDM O-Ring Schedule 40 Ideal for Pool Pump Irrigation Systems Plumbing DIY Projects $21.99

$2199
current price $21.994 PCS 3/4" PVC Union Coupling Pipe Fitting Slip Joint Adapter Connectors (Socket x Socket) Built-in EPDM O-Ring Schedule 40 Ideal for Pool Pump Irrigation Systems Plumbing DIY Projects
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
Uxcell 1/4" Brass Tee Barb Hose Fitting 3 Ways Adapter Union Barbed Split Golden From $8.69

7 options
Available in additional 7 optionsFrom$869
Uxcell 1/4" Brass Tee Barb Hose Fitting 3 Ways Adapter Union Barbed Split Golden
6AN Female to 6AN Female Straight Swivel Coupler Union Fitting Adapter 2pcs $9.90

$990
current price $9.906AN Female to 6AN Female Straight Swivel Coupler Union Fitting Adapter 2pcs
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)
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"
Uxcell 1/2" Brass Barb Fitting, Barb Union Fittings Metal Splicer Mender Connector Barbed Adapter with Clamps 2 Set From $10.99

Sponsored
From$1099
Uxcell 1/2" Brass Barb Fitting, Barb Union Fittings Metal Splicer Mender Connector Barbed Adapter with Clamps 2 Set
LTWFITTING 7/16 OD Compression Union,Brass Compression Fitting(Pack of 5) $20.98

$2098
current price $20.98LTWFITTING 7/16 OD Compression Union,Brass Compression Fitting(Pack of 5)
3AN Male to 3AN Male Aluminum Union Fitting Adapter $23.20

$2320
current price $23.203AN Male to 3AN Male Aluminum Union Fitting Adapter
Swagelok SS-400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od $15.28

$1528
current price $15.28Swagelok SS-400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od
4LifetimeLines Brass Compression Union Fitting, 3/16 in Tube, 10 Count $13.99

$1399
current price $13.994LifetimeLines Brass Compression Union Fitting, 3/16 in Tube, 10 Count
4 out of 5 stars
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
Lesso America 899-010, Plumbing, PVC Pipe Fitting, UNION W/O-RING SEAL , SCH80, 1" From $15.21

4 options
Available in additional 4 optionsFrom$1521
Lesso America 899-010, Plumbing, PVC Pipe Fitting, UNION W/O-RING SEAL , SCH80, 1"
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
(1Pk) EZ-Fluid 3/8" 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

$999
current price $9.99(1Pk) EZ-Fluid 3/8" 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 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"
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
Union 1/2" Female NPT Stainless Steel Pipe Fitting 0.5" From $17.41

18 options
Available in additional 18 optionsFrom$1741
Union 1/2" Female NPT Stainless Steel Pipe Fitting 0.5"
5 out of 5 stars
2 Pcs 304 Stainless Steel Hose Barb Y-Splitter, 0.5 in / 1.2 cm Outer Diameter 3-Way Equal Tee, Splicer Mender Fitting Union for Water Fuel Air $11.98

$1198
current price $11.982 Pcs 304 Stainless Steel Hose Barb Y-Splitter, 0.5 in / 1.2 cm Outer Diameter 3-Way Equal Tee, Splicer Mender Fitting Union for Water Fuel Air
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
Dorman 785-304D Compression Fitting - Union - 1/4 In. (Pack of 2) $8.90

$890
current price $8.90Dorman 785-304D Compression Fitting - Union - 1/4 In. (Pack of 2)
1/4inch Flat-Sided Compression Tube Union Fittings in Brass, 4 Pack for Joining Water, Air, and Low-Pressure Fluid Line Tubing Sections $9.95 Was $11.07

Now$995
current price Now $9.95, Was $11.07$11.07
1/4inch Flat-Sided Compression Tube Union Fittings in Brass, 4 Pack for Joining Water, Air, and Low-Pressure Fluid Line Tubing Sections
Straight Push Connectors 6mm to 4mm Quick Release Pneumatic Connector Plastic Union Tube Fitting Grey 5Pcs $7.89

$789
current price $7.89Straight Push Connectors 6mm to 4mm Quick Release Pneumatic Connector Plastic Union Tube Fitting Grey 5Pcs
(10) EZ-Fluid 7/8" Comp. x 3/4" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $128.95

$12895
current price $128.95(10) EZ-Fluid 7/8" Comp. x 3/4" 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 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

$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 6Pcs 25mm(3/4") PVC-Union Coupling Pipe Fitting, Slip Joint Adapter (Socket x Socket) Built-in EPDM O-Ring with Tape for Irrigation Systems, Pipe Connection, White $14.49 Was $17.09

Now$1449
current price Now $14.49, Was $17.09$17.09
Uxcell 6Pcs 25mm(3/4") PVC-Union Coupling Pipe Fitting, Slip Joint Adapter (Socket x Socket) Built-in EPDM O-Ring with Tape for Irrigation Systems, Pipe Connection, White
1 out of 5 stars
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
Best seller, 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
Best seller

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
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
Taco UFS-050T 1/2 NPT UNION FITTING ASS'Y. $42.29

$4229
current price $42.29Taco UFS-050T 1/2 NPT UNION FITTING ASS'Y.
5/8" Barb Tee Fitting, 3 Way Union T Brass Hose Barbed Fittings Intersection for Water Fuel Air Oil Gas $13.99

$1399
current price $13.995/8" Barb Tee Fitting, 3 Way Union T Brass Hose Barbed Fittings Intersection for Water Fuel Air Oil Gas
(1) EZ-Fluid 1/4" Comp. x 1/4" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing From $8.55

13 options
Available in additional 13 optionsFrom$855
(1) EZ-Fluid 1/4" Comp. x 1/4" 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
Uxcell Tee Hose Barb Fittings, Equal Y Shaped 3 Way Joint Splicer Adapter Union Barbed Split for Air Water Fuel Pipe 2 1/8" From $9.99

7 options
Available in additional 7 optionsFrom$999
Uxcell Tee Hose Barb Fittings, Equal Y Shaped 3 Way Joint Splicer Adapter Union Barbed Split for Air Water Fuel Pipe 2 1/8"
Teal Turtle Brass Compression Reducing Union Fitting 3/8 In. O.D. x 1/4 In. O.D. $11.42

$1142
current price $11.42Teal Turtle Brass Compression Reducing Union Fitting 3/8 In. O.D. x 1/4 In. O.D.
511-704HN Galvanized Pipe Fitting, Union, Brass/Iron, 3/4-In. $16.22

$1622
current price $16.22511-704HN Galvanized Pipe Fitting, Union, Brass/Iron, 3/4-In.
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