FaucetsAir ToolsBathroom Cabinets & FixturesBathroom PlumbingConduits and FittingsElectrical ToolsHand ToolsKitchen PlumbingMechanics ToolsPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesRailingShop Plumbing BrandsShop Plumbing by FixtureStair PartsValves & Valve RepairWater Filtration & Water SoftenersWater Heaters
Sort by|
FaucetsAir ToolsBathroom Cabinets & FixturesBathroom PlumbingConduits and FittingsElectrical ToolsHand ToolsKitchen PlumbingMechanics ToolsPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesRailingShop Plumbing BrandsShop Plumbing by FixtureStair PartsValves & Valve RepairWater Filtration & Water SoftenersWater Heaters
Pipe Union Fitting(1000+)
Uses item details. Price when purchased online
LTWFITTING 1/4" OD Compression Union,Brass Compression Fitting(Pack of 10) $16.99 Was $22.99

Sponsored
Now$1699
current price Now $16.99, Was $22.99$22.99
LTWFITTING 1/4" OD Compression Union,Brass Compression Fitting(Pack of 10)
14 out of 5 Stars. 1 reviews
1/4" Quick Connect Union Tee Fittings Pack of 5 $18.99

Sponsored
$1899
current price $18.991/4" Quick Connect Union Tee Fittings Pack of 5
LTWFITTING 3/8" OD Compression Union,Brass Compression Fitting(pack of 10) $20.95 Was $25.99

Sponsored
Now$2095
current price Now $20.95, Was $25.99$25.99
LTWFITTING 3/8" OD Compression Union,Brass Compression Fitting(pack of 10)
25 out of 5 Stars. 2 reviews
5/16-Inch (8mm) Hose ID Barb Fitting Stainless Steel 3-Way T Shaped Union Home Brew Fitting $11.49 Was $19.99

Sponsored
Now$1149
current price Now $11.49, Was $19.99$19.99
5/16-Inch (8mm) Hose ID Barb Fitting Stainless Steel 3-Way T Shaped Union Home Brew Fitting
5 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 $23.99

$2399
current price $23.995 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
2 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16"x5/16 Compression Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil $13.99

$1399
current price $13.992 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16"x5/16 Compression Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil
2Pack 3/4" Union Coupling Pipe Fitting (Socket x Socket), Union Coupling Adapter, Schedule 40 EPDM O-Ring for Irrigation, Pool System, Indoor Plumbing Project (White) $10.98

$1098
current price $10.982Pack 3/4" Union Coupling Pipe Fitting (Socket x Socket), Union Coupling Adapter, Schedule 40 EPDM O-Ring for Irrigation, Pool System, Indoor Plumbing Project (White)
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

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
54.2 out of 5 Stars. 5 reviews
2 Pack Brass Compression Tube Pipe Fitting, 3/16" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas $11.99

$1199
current price $11.992 Pack Brass Compression Tube Pipe Fitting, 3/16" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas
3 Pack Brass Compression Tube Pipe Fitting, 1/2"OD Compression x 1/2" NPT Female Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil, Pipeline Systems $19.49

$1949
current price $19.493 Pack Brass Compression Tube Pipe Fitting, 1/2"OD Compression x 1/2" NPT Female Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil, Pipeline Systems
2Pcs Brass Compression Tube Fitting, 10mm Tube OD Connector, NPT Thread Compression Union Connectors & Compression Sleeves Ferrules, Brass Straight Coupling Adapter $12.49 Was $15.29

Sponsored
Now$1249
current price Now $12.49, Was $15.29$15.29
2Pcs Brass Compression Tube Fitting, 10mm Tube OD Connector, NPT Thread Compression Union Connectors & Compression Sleeves Ferrules, Brass Straight Coupling Adapter
Uxcell 5/16" Plastic Hose Barb 90 Degree Elbow 10 Pack Barb Fittings 2 Way Equal Barbed Joint Splicer Mender Adapter Union Adapter $9.89

Sponsored
$989
current price $9.89Uxcell 5/16" Plastic Hose Barb 90 Degree Elbow 10 Pack Barb Fittings 2 Way Equal Barbed Joint Splicer Mender Adapter Union Adapter
3Pcs Compression Tube Pipe Fittings, 3/8" Compression Union Connector Adapter $11.68

$1168
current price $11.683Pcs Compression Tube Pipe Fittings, 3/8" Compression Union Connector Adapter
15 out of 5 Stars. 1 reviews
2 Pack Brass Compression Tube Pipe Fitting, 1/2" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas $18.99

$1899
current price $18.992 Pack Brass Compression Tube Pipe Fitting, 1/2" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas
2 Pack 2.37 inch PVC Union Coupling Pipe Fitting, Socket x Socket, Schedule 40 with EPDM O-Ring, White $15.99

$1599
current price $15.992 Pack 2.37 inch PVC Union Coupling Pipe Fitting, Socket x Socket, Schedule 40 with EPDM O-Ring, White
1/4" NPT Female Solid Brass Three Piece Pipe Union Fitting Adapter $13.49

$1349
current price $13.491/4" NPT Female Solid Brass Three Piece Pipe Union Fitting Adapter
Lasco 897010 Pipe Union, 1 in, Slip, PVC, SCH 80 Schedule $25.56

$2556
current price $25.56Lasco 897010 Pipe Union, 1 in, Slip, PVC, SCH 80 Schedule
Uxcell 1/4PT Male x 1/4PT Female Thread 304 Stainless Steel Hex Head Pipe Fitting Union From $13.99

2 options
Available in additional 2 optionsFrom$1399
Uxcell 1/4PT Male x 1/4PT Female Thread 304 Stainless Steel Hex Head Pipe Fitting Union
Uxcell 2 Pack 1 1/2 Inch PVC Union Coupling Pipe Fitting, Slip Union Straight Adapter - for Pumps/Filters/Indoor Plumbing Project/Irrigation, SCH 40-EPDM O-Ring Furniture Grade PVC Fittings $23.99

$2399
current price $23.99Uxcell 2 Pack 1 1/2 Inch PVC Union Coupling Pipe Fitting, Slip Union Straight Adapter - for Pumps/Filters/Indoor Plumbing Project/Irrigation, SCH 40-EPDM O-Ring Furniture Grade PVC Fittings
8700163200 2 in. Black Union Pipe Fitting $24.79 Was $35.49

Now$2479
current price Now $24.79, Was $35.49$35.49
8700163200 2 in. Black Union Pipe Fitting
(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 $8.88

Sponsored
$888
current price $8.88(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
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 $7.79

Sponsored
From$779
U.S. Solid 3/8 in Male Flare x 1/2 in Male Flare Brass Fitting Gas Union Connector Tube Coupler Pack of 2
45 out of 5 Stars. 4 reviews
2 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16"x5/16 Compression Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil $14.99

$1499
current price $14.992 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16"x5/16 Compression Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil
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
GJ Stainless Steel Pipe Fitting Union Nipple Joint $31.82 Was $42.47

Now$3182
current price Now $31.82, Was $42.47$42.47
GJ Stainless Steel Pipe Fitting Union Nipple Joint
Midline Valve PVC Union Coupling Pipe Fitting; 3/4'' Solvent Connections; Grey Plastic From $5.53

6 options
Available in additional 6 optionsFrom$553
Midline Valve PVC Union Coupling Pipe Fitting; 3/4'' Solvent Connections; Grey Plastic
22 out of 5 Stars. 2 reviews
Anderson Metals Corp. Pipe Fittings, Red Brass Union, Lead Free, 1-In. Residential Use, Standard Application $32.52

$3252
current price $32.52Anderson Metals Corp. Pipe Fittings, Red Brass Union, Lead Free, 1-In. Residential Use, Standard Application
Honeywell HS-NPT-105, Union Pipe Fittings & Couplers $129.89

$12989
current price $129.89Honeywell HS-NPT-105, Union Pipe Fittings & Couplers
12Pcs 3/8" x 3/8" Plastic Hose Barb Fitting,Equal Barbed Hose Pipe Fitting Connector Adapter Union Splice for Air Gas Water Liquid Fuel Line Catheter Tube Pump Adapters $10.99

$1099
current price $10.9912Pcs 3/8" x 3/8" Plastic Hose Barb Fitting,Equal Barbed Hose Pipe Fitting Connector Adapter Union Splice for Air Gas Water Liquid Fuel Line Catheter Tube Pump Adapters
2 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16"x5/16 Compression Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil $14.49

$1449
current price $14.492 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 5/16"x5/16 Compression Union Connector, Straight Coupling Adapter Pipe Fitting for Air, Water, Oil
2 Pack 2.37 inch PVC Union Coupling Pipe Fitting, Socket x Socket, Schedule 40 with EPDM O-Ring, White $15.99

Sponsored
$1599
current price $15.992 Pack 2.37 inch PVC Union Coupling Pipe Fitting, Socket x Socket, Schedule 40 with EPDM O-Ring, White
YOUHO 1/4" Brass Hose Barb Thru-Bulk Bulkhead Fitting,Straight Hex Union, Fitting with Flat Washer for Water/Fuel/Air 2pcs 2pcs $6.99

Sponsored
$699
current price $6.99YOUHO 1/4" Brass Hose Barb Thru-Bulk Bulkhead Fitting,Straight Hex Union, Fitting with Flat Washer for Water/Fuel/Air 2pcs 2pcs
5 Pcs 1 1/2" PVC Union Pipe Fitting, Schedule 40 Furniture Grade Slip Union Coupling Fitting with EPDM O-Ring for Plumbing Systems Irrigation Projects, Socket x Socket White $50.99

$5099
current price $50.995 Pcs 1 1/2" PVC Union Pipe Fitting, Schedule 40 Furniture Grade Slip Union Coupling Fitting with EPDM O-Ring for Plumbing Systems Irrigation Projects, Socket x Socket White
Reduced price 4Pcs Compression Tube Pipe Fittings, 3/16" Compression Union Connector Adapter $13.94 Was $15.49

Now$1394
current price Now $13.94, Was $15.49$15.49
4Pcs Compression Tube Pipe Fittings, 3/16" Compression Union Connector Adapter
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
Union Union, 1" Pipe, FNPT, Malleable Iron, Class 300 1LCA7 $44.57

$4457
current price $44.57Union Union, 1" Pipe, FNPT, Malleable Iron, Class 300 1LCA7
CRKMGS-Wantmatch 2" PVC Union Coupling Pipe Fittings, Slip Joint Adapter PVC Connectors (Socket x Socket), Built-in EPDM O-Ring, 2 Pack $32.38

$3238
current price $32.38CRKMGS-Wantmatch 2" PVC Union Coupling Pipe Fittings, Slip Joint Adapter PVC Connectors (Socket x Socket), Built-in EPDM O-Ring, 2 Pack
Uxcell 2 Pack Brass Compression Tube Pipe Fitting, 3/4" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil $21.99

$2199
current price $21.99Uxcell 2 Pack Brass Compression Tube Pipe Fitting, 3/4" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil
3 Pack Brass Compression Tube Pipe Fitting, 1/2" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas $20.99

$2099
current price $20.993 Pack Brass Compression Tube Pipe Fitting, 1/2" OD Compression Union Connector, Straight Coupling Adapter Pipe Fitting with Double Ferrules for Air, Water, Oil, Gas
Uxcell 1/2" OD Brass Flare Union Connector, 1 Set Copper Double Pipe Extension Fitting with Nut, 1.77x0.75" From $9.99

2 options
Available in additional 2 optionsFrom$999
Uxcell 1/2" OD Brass Flare Union Connector, 1 Set Copper Double Pipe Extension Fitting with Nut, 1.77x0.75"
7829 Universal Brass Pipe Union Connector Coupler Adapter End Feed Plumbing Fitting Coupler for Easy to Installation From $5.79

3 options
Available in additional 3 optionsFrom$579
7829 Universal Brass Pipe Union Connector Coupler Adapter End Feed Plumbing Fitting Coupler for Easy to Installation
Union Union, 1/4" Pipe, FNPT, Malleable Iron, Class 300 1LCA3 $32.96 $32.96/1

$3296
current price $32.96$32.96/1
Union Union, 1/4" Pipe, FNPT, Malleable Iron, Class 300 1LCA3
FRKSMD-3/4" PVC Union Coupling Pipe Fittings, 6 Pack Female Union Coupling Adapter, Socket Slip Union with O-Ring $26.05

$2605
current price $26.05FRKSMD-3/4" PVC Union Coupling Pipe Fittings, 6 Pack Female Union Coupling Adapter, Socket Slip Union with O-Ring
CRKMGS-1-1/4" PVC Union Pipe Fitting, 1-1/4" PVC Slip Union Coupling Adapter (Socket x Socket) Schedule 40, EPDM O-Ring, White2 Pack $32.38

$3238
current price $32.38CRKMGS-1-1/4" PVC Union Pipe Fitting, 1-1/4" PVC Slip Union Coupling Adapter (Socket x Socket) Schedule 40, EPDM O-Ring, White2 Pack
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
FRKSMD-4 Pcs 1" White PVC Union Pipe Fitting (Socket x Socket), PVC Slip Union Adapter Coupling Schedule 40 EPDM O-Ring, Coupling Pipe Fitting $31.30

$3130
current price $31.30FRKSMD-4 Pcs 1" White PVC Union Pipe Fitting (Socket x Socket), PVC Slip Union Adapter Coupling Schedule 40 EPDM O-Ring, Coupling Pipe Fitting
1 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 3/4"ODx3/4" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules and Sealing Tape for Air, Oil $20.49

$2049
current price $20.491 Pack 304 Stainless Steel Compression Tube Pipe Fitting, 3/4"ODx3/4" Compression Union Connector, Straight Coupling Adapter W/Double Ferrules and Sealing Tape for Air, Oil
3 Pcs 2" PVC Union Pipe Fitting, Schedule 40 Furniture Grade Slip Union Coupling Fitting with EPDM O-Ring for Plumbing Systems Irrigation Projects, Socket x Socket White $46.99

$4699
current price $46.993 Pcs 2" PVC Union Pipe Fitting, Schedule 40 Furniture Grade Slip Union Coupling Fitting with EPDM O-Ring for Plumbing Systems Irrigation Projects, Socket x Socket White
Union Union, 3" Pipe, FNPT, Malleable Iron, Class 300 1LCB3 $269.79

$26979
current price $269.79Union Union, 3" Pipe, FNPT, Malleable Iron, Class 300 1LCB3
Pipe Fittings Union 3/4 Inch Malleable Cast Iron Union Threaded for Vintage Retro Industrial Pipe Furniture and DIY Decor Black 8Pcs $39.50

$3950
current price $39.50Pipe Fittings Union 3/4 Inch Malleable Cast Iron Union Threaded for Vintage Retro Industrial Pipe Furniture and DIY Decor Black 8Pcs
Popular in Pipe Union Fitting
Related Products
M-600-3TTM | Swagelok Male Branch Tee, 3/8" Tube : OD Compression x 1/4" Male : NPT, Monel/Alloy 400/R-405
M-600-3TTM | Swagelok Male Branch Tee, 3/8" Tube : OD Compression x 1/4" Male : NPT, Monel/Alloy 400/R-405$108.22current price $108.22Homewerks Worldwide 511-48-12-12-12B PVC Compression Pipe Tee, 1/2 In. - Quantity 4
Homewerks Worldwide 511-48-12-12-12B PVC Compression Pipe Tee, 1/2 In. - Quantity 4$27.20current price $27.20Parker Hannifin B32 Series 30 Brass Pneumatic Quick Coupler, Male Pipe Thread, 1/4 Inch Size, 1/4-18 NPTF Port CA1
Parker Hannifin B32 Series 30 Brass Pneumatic Quick Coupler, Male Pipe Thread, 1/4 Inch Size, 1/4-18 NPTF Port CA1$43.55current price $43.55SWAGELOK SS-810-3-8TTM Tube Fitting, 1/2 in. Tube OD X 1/2 in. Tube OD X 1/2 in. Male NPT, Male Branch TEE
SWAGELOK SS-810-3-8TTM Tube Fitting, 1/2 in. Tube OD X 1/2 in. Tube OD X 1/2 in. Male NPT, Male Branch TEE$58.96current price $58.96JMF 41193 0.62 x 0.5 in. 90 Degree Flare Elbow - pack of 2
JMF 41193 0.62 x 0.5 in. 90 Degree Flare Elbow - pack of 2$24.90current price $24.90TAILONZ PNEUMATIC Male Straight 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fitting PC-1/4-N2 (Pack of 10)
TAILONZ PNEUMATIC Male Straight 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fitting PC-1/4-N2 (Pack of 10)$9.99current price $9.99Charlotte Pipe 4095303 0.5 in. Spigot x 0.25 in. Dia. FPT Schedule 80 PVC Reducing Bushing
Charlotte Pipe 4095303 0.5 in. Spigot x 0.25 in. Dia. FPT Schedule 80 PVC Reducing Bushing$19.40current price $19.40Parker Hannifin B33 Series 30 Brass Pneumatic Quick Coupler, Female Pipe Thread, 1/4 Inch Size, 1/4-18 NPTF Port CA1
Parker Hannifin B33 Series 30 Brass Pneumatic Quick Coupler, Female Pipe Thread, 1/4 Inch Size, 1/4-18 NPTF Port CA1$45.68current price $45.68Charlotte Pipe & Foundry PVC021080600 0.75 x 0.5 in. Fpt Schedule 40 Reducing Bushing - pack of 25
Charlotte Pipe & Foundry PVC021080600 0.75 x 0.5 in. Fpt Schedule 40 Reducing Bushing - pack of 25$41.79current price $41.791-1/4" 90 Degree Street Elbow, Lead Free Brass, MNPT X FNPT, 125 PSI
1-1/4" 90 Degree Street Elbow, Lead Free Brass, MNPT X FNPT, 125 PSI$38.50current price $38.50LASCO 17-9011 3/4-Inch Female Pipe Thread Brass 90-Degree Ell/Elbow
LASCO 17-9011 3/4-Inch Female Pipe Thread Brass 90-Degree Ell/Elbow$19.86current price $19.86Viega Viega ProPress 90 street elbow, 1/2" x 1/2" 77347
Viega Viega ProPress 90 street elbow, 1/2" x 1/2" 77347$3.82current price $3.82TAILONZ PNEUMATIC Elbow and Straight Combination 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fittings PC-1/4-N2+PL-1/4-N2(Pack of 30)
TAILONZ PNEUMATIC Elbow and Straight Combination 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fittings PC-1/4-N2+PL-1/4-N2(Pack of 30)$24.99current price $24.99TAILONZ PNEUMATIC Elbow and Straight Combination 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fittings PC-1/4-N2+PL-1/4-N2(Pack of 12)
TAILONZ PNEUMATIC Elbow and Straight Combination 1/4 Inch Tube OD x 1/4 Inch NPT Thread Push to Connect Fittings PC-1/4-N2+PL-1/4-N2(Pack of 12)$10.99current price $10.99LASCO 17-6911 1/4-Inch Compression by 1/4-Inch Male Pipe Thread Brass 90-Degree Ell/Elbow
LASCO 17-6911 1/4-Inch Compression by 1/4-Inch Male Pipe Thread Brass 90-Degree Ell/Elbow$9.65current price $9.65LASCO 17-6947 1/2-Inch Compression by 3/8-Inch Male Pipe Thread Brass 90-Degree Ell/Elbow
LASCO 17-6947 1/2-Inch Compression by 3/8-Inch Male Pipe Thread Brass 90-Degree Ell/Elbow$12.65current price $12.65