Shop Threaded Union Pipe Fittings

Sponsored
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$66.73
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 2WU83
Grainger
$66.73
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 2WU83
Grainger
$68.90
Union: Red Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA6
Grainger
3
$68.90
Union: Red Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA6
Grainger
$28.25
Pipe Union: Schedule 80, PVC, 1 1/4 in X 1 1/4 in Size, Threaded X Threaded, Female NPT X Female NPT Model: 898-375-012
Grainger
$28.25
Pipe Union: Schedule 80, PVC, 1 1/4 in X 1 1/4 in Size, Threaded X Threaded, Female NPT X Female NPT Model: 898-375-012
Grainger
$20.83
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger
$20.83
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger
$79.05
Union: 304 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N020
Grainger
$79.05
Union: 304 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N020
Grainger
$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
Grainger
$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
Grainger
$23.92
Union: 316 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N034
Grainger
$23.92
Union: 316 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N034
Grainger
$332.57
Union: Malleable Iron, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB3
Grainger
$332.57
Union: Malleable Iron, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB3
Grainger
$22.67
Union: Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY6
Grainger
$22.67
Union: Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY6
Grainger
$35.08
Union: Malleable Iron, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA6
Grainger
$35.08
Union: Malleable Iron, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA6
Grainger
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
1
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
$9.89
Waterway 2" Union, Male Pipe Thread By Female Slip 400-5080
PoolZoom.com
$9.89
Waterway 2" Union, Male Pipe Thread By Female Slip 400-5080
PoolZoom.com
$25.99
$28.22
Supply Giant DDNV0001 1" No Lead Copper Union Fitting With Sweat To Male Threaded Connects
Amazon.com
48
Free shipping
$25.99
$28.22
Supply Giant DDNV0001 1" No Lead Copper Union Fitting With Sweat To Male Threaded Connects
Amazon.com
$62.64
Union: 304 Stainless Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 400U111N112
Grainger
$62.64
Union: 304 Stainless Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 400U111N112
Grainger
$25.08
Pipe Union: Schedule 80, CPVC, Union, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 9898-375-007
Grainger
$25.08
Pipe Union: Schedule 80, CPVC, Union, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 9898-375-007
Grainger
$13.61
1.5" Male Threaded For Pureline Pool Pump Union X 1.5" Slip Union | By Pureline | PL1643
Inyo Pool Products
$13.61
1.5" Male Threaded For Pureline Pool Pump Union X 1.5" Slip Union | By Pureline | PL1643
Inyo Pool Products
$12.49
Vis Brass Pipe Fitting, Union, 3/8" NPT Female X 3/8" NPT Female, 3250 (3250CC, 1Pcs)
Amazon.com
11
$12.49
Vis Brass Pipe Fitting, Union, 3/8" NPT Female X 3/8" NPT Female, 3250 (3250CC, 1Pcs)
Amazon.com
$11.46
$12.49
NDS U-1250-T PVC Pipe Fitting, 1-1/4-Inch Threaded Union, Schedule 80, EPDM O-Ring, Gray
Amazon.com
88
$11.46
$12.49
NDS U-1250-T PVC Pipe Fitting, 1-1/4-Inch Threaded Union, Schedule 80, EPDM O-Ring, Gray
Amazon.com
$57.76
Union: 316 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2UA39
Grainger
$57.76
Union: 316 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2UA39
Grainger
$25.12
Union: Forged Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MNC9
Grainger
$25.12
Union: Forged Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MNC9
Grainger
$50.39
Union: Brass, 3/8 in X 3/8 in Fitting Pipe Size, Female NPT X Female NPT Model: 22UL26
Grainger
$50.39
Union: Brass, 3/8 in X 3/8 in Fitting Pipe Size, Female NPT X Female NPT Model: 22UL26
Grainger
$61.55
2 in. Fip Threaded Dielectric Union Zinc Coated Steel And Brass Union Fitting
Home Depot
10
Free shipping
$61.55
2 in. Fip Threaded Dielectric Union Zinc Coated Steel And Brass Union Fitting
Home Depot
$139.59
Union: Red Brass, 1 1/4 in X 1 1/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA7
Grainger
$139.59
Union: Red Brass, 1 1/4 in X 1 1/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA7
Grainger
$25.99
PVC Union Coupling Pipe Fitting, Slip Union Schedule 40, Adapter(Socket X Socket), Built-In EPDM O-Ring, White (1 Pack)
Amazon.com
88
$25.99
PVC Union Coupling Pipe Fitting, Slip Union Schedule 40, Adapter(Socket X Socket), Built-In EPDM O-Ring, White (1 Pack)
Amazon.com
$49.99
Union: 304 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2UA97
Grainger
$49.99
Union: 304 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2UA97
Grainger
$108.04
Union: 316 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female X Female, Class 150 Model: 600U111SW020
Grainger
$108.04
Union: 316 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female X Female, Class 150 Model: 600U111SW020
Grainger
$46.34
Smith Cooper 3000 Forged Carbon Steel 1 1/2 in. Union Fitting - Threaded - Fig. 42U 3 - 4308002564
John M. Ellsworth Co., Inc.
$46.34
Smith Cooper 3000 Forged Carbon Steel 1 1/2 in. Union Fitting - Threaded - Fig. 42U 3 - 4308002564
John M. Ellsworth Co., Inc.
$19.99
Anvil Union: Malleable Iron, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 0312822067
Grainger
$19.99
Anvil Union: Malleable Iron, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 0312822067
Grainger
$47.48
Smith Cooper 3000 Forged Stainless Steel 3/4 in. Union Fitting - Threaded - Fig. S4036U - 4307002262
John M. Ellsworth Co., Inc.
$47.48
Smith Cooper 3000 Forged Stainless Steel 3/4 in. Union Fitting - Threaded - Fig. S4036U - 4307002262
John M. Ellsworth Co., Inc.
$28.95
Spears Schedule 80 CPVC Pipe Fitting Union - EPDM 1" FIPT X FIPT 8098-010C
Core & Main
$28.95
Spears Schedule 80 CPVC Pipe Fitting Union - EPDM 1" FIPT X FIPT 8098-010C
Core & Main
$21.76
Ss-1148 Npt Pipe Union 1/2"
Industrial Air Centers
$21.76
Ss-1148 Npt Pipe Union 1/2"
Industrial Air Centers
$37.53
Union: Forged Steel, 1 in X 1 In, NPT X NPT, Class 3000 Model: 1MPK1
Grainger
$37.53
Union: Forged Steel, 1 in X 1 In, NPT X NPT, Class 3000 Model: 1MPK1
Grainger
$239.79
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 1VFL4
Grainger
$239.79
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 1VFL4
Grainger
$13.90
CMP Pump Union, Threaded 2" MPT X 2" Slip - CPVC 21063-200-000
PoolZoom.com
16
$13.90
CMP Pump Union, Threaded 2" MPT X 2" Slip - CPVC 21063-200-000
PoolZoom.com
$92.52
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female BSPP X Female BSPP, Class 150 Model: ZUSA-PF-8133
Grainger
$92.52
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female BSPP X Female BSPP, Class 150 Model: ZUSA-PF-8133
Grainger
$41.00
Grundfos 529912 3/4" GU 125 Union Threaded End (Pair) | Supplyhouse.Com
SupplyHouse.com
6
$41.00
Grundfos 529912 3/4" GU 125 Union Threaded End (Pair) | Supplyhouse.Com
SupplyHouse.com
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Shop Threaded Union Pipe Fittings

Sponsored
About our ads
$66.73
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 2WU83
Grainger
$66.73
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 2WU83
Grainger
$68.90
Union: Red Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA6
Grainger
3
$68.90
Union: Red Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA6
Grainger
$28.25
Pipe Union: Schedule 80, PVC, 1 1/4 in X 1 1/4 in Size, Threaded X Threaded, Female NPT X Female NPT Model: 898-375-012
Grainger
$28.25
Pipe Union: Schedule 80, PVC, 1 1/4 in X 1 1/4 in Size, Threaded X Threaded, Female NPT X Female NPT Model: 898-375-012
Grainger
$20.83
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger
$20.83
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger
$79.05
Union: 304 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N020
Grainger
$79.05
Union: 304 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N020
Grainger
$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
Grainger
$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
Grainger
$23.92
Union: 316 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N034
Grainger
$23.92
Union: 316 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N034
Grainger
$332.57
Union: Malleable Iron, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB3
Grainger
$332.57
Union: Malleable Iron, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB3
Grainger
$22.67
Union: Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY6
Grainger
$22.67
Union: Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY6
Grainger
$35.08
Union: Malleable Iron, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA6
Grainger
$35.08
Union: Malleable Iron, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA6
Grainger
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
1
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
$9.89
Waterway 2" Union, Male Pipe Thread By Female Slip 400-5080
PoolZoom.com
$9.89
Waterway 2" Union, Male Pipe Thread By Female Slip 400-5080
PoolZoom.com
$25.99
$28.22
Supply Giant DDNV0001 1" No Lead Copper Union Fitting With Sweat To Male Threaded Connects
Amazon.com
48
Free shipping
$25.99
$28.22
Supply Giant DDNV0001 1" No Lead Copper Union Fitting With Sweat To Male Threaded Connects
Amazon.com
$62.64
Union: 304 Stainless Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 400U111N112
Grainger
$62.64
Union: 304 Stainless Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 400U111N112
Grainger
$25.08
Pipe Union: Schedule 80, CPVC, Union, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 9898-375-007
Grainger
$25.08
Pipe Union: Schedule 80, CPVC, Union, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT Model: 9898-375-007
Grainger
$13.61
1.5" Male Threaded For Pureline Pool Pump Union X 1.5" Slip Union | By Pureline | PL1643
Inyo Pool Products
$13.61
1.5" Male Threaded For Pureline Pool Pump Union X 1.5" Slip Union | By Pureline | PL1643
Inyo Pool Products
$12.49
Vis Brass Pipe Fitting, Union, 3/8" NPT Female X 3/8" NPT Female, 3250 (3250CC, 1Pcs)
Amazon.com
11
$12.49
Vis Brass Pipe Fitting, Union, 3/8" NPT Female X 3/8" NPT Female, 3250 (3250CC, 1Pcs)
Amazon.com
$11.46
$12.49
NDS U-1250-T PVC Pipe Fitting, 1-1/4-Inch Threaded Union, Schedule 80, EPDM O-Ring, Gray
Amazon.com
88
$11.46
$12.49
NDS U-1250-T PVC Pipe Fitting, 1-1/4-Inch Threaded Union, Schedule 80, EPDM O-Ring, Gray
Amazon.com