Union nuts in comparison
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Last updated on 25.09.2026
1
Magic Plastics Split Nut, 2-1/2", Pump Union
Magic Plastics
16% off
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9,9
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2
Mueller 521-707BG
Mueller
12% off
free shipping
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9,8
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3
Waterway Plastics 415-5001 Union Nut, 2-Inch, Black
Waterway
free shipping
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9,6
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4
upmbzie 125 Bronze Union Flange 529912 3/4" NPT Connection Includes Nuts Gaskets and Adapters Compatible with 125 Union Pumps
upmbzie
free shipping
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9,6
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5
Union nut, copper external thread, 3/4 '
Foset
free shipping
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9,6
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6
Pfister 00131XA Multi-Handle Tub & Shower Rough-In Valve, 3-Hole Installation, 1/2-Inch Union Inlets, 1/2-Inch I.P. Outlets, Union Nuts Included, Unfinished
Pfister
15% off
free shipping
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9,4
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7
Custom 25301-004-070 2" Split Union Nut & Screws
Custom Molded Products
free shipping
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9,3
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8
DXParts Genuine Locking Union Nut BR450 BR700 BR800 4282-708-3101,Replacement for STIHL OEM
DXParts
free shipping
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9,2
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9
Timsec 2-Pack 1/4 and 3/8 Inch AC Copper Pipe Extension Connectors
Timsec
free shipping
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9,2
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10
Hard-to-Find Fastener 014973209582 Coupling Nuts, 6-32, Piece-8
Hard-to-Find Fastener
34% off
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9,2
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You might also be interested in these union nuts.
CHARLOTTE PIPE 1 1/2 DWV P-TRAP WITH UNION&PLASTIC NUT DWV (DRAIN, WASTE AND VENT) (25 Unit Box)
White fittings used in sanitary drain, waste, and vent (DWV), sewer and storm drainage applications
$ 108.45
free shipping
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Hillman 45136 1/2-13-Inch Stainless Steel Coupling Nut, 5-Pack
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 22.50
To the product (1 offer)
2Pieces Copper Pipe Extension Joint Connectors for Air Conditioning Pipe Coupling Adapters with Flare Nuts and Connectors for Copper Tube Diameter 3/8 and 1/4-Inch
【Quick Connection】The AC pipe jointers are designed to connect two copper pipes without welding,without a special welding machine. The connection can be tightened with a wrench, sturdy and durable
$ 13.99
free shipping
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26 PCS Fitting Assortment Kit 1/4" Tube Nut, Union, Adapter, Brake System Line Repair,16 Tube Nuts, 6 Adapters, 4 Unions, Shatterproof Tackle Box
Application: This kit features 8 essential SKUs of 1/4" brake line fittings, a must-have for automotive hydraulic brake system maintenance and repairs.
$ 25.99
free shipping
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39104500 Union Nut C-Clip
filter models 39104500
$ 23.66
free shipping
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LTWFITTING Brass Flare Tube Fitting 3/8" Hose ID x 5/16" Female 45 Deg Nut Union (Pack of 5)
Type: Female 45 Deg flare nut union
$ 9.99
free shipping
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PROPLUS 2489383 Ballcock Coupling Nut, Brass, 7/8" (10 Pack)
Proplus ballcock coupling nut, Brass, 7/8 in., pack of 10 - 2489383
$ 33.00
free shipping
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29% off
AUNMAS Gas Hose Argon CO2 Flow Meter Gas Regulator Hose, 2.0 Meters
【Gas compatibility】 Handles argon, CO2, nitrogen, compressed air reliably with 2.0m rubber hose length.
$ 17.96
free shipping
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LESSO P Trap PVC 1.5 to 1-1/4 Inch
1.5 inch PVC P-Trap to 1-1/4 in Threaded Adapter - Leak & Odor Proof Crafted of High Quality ABS plastic Material which offers Strong toughness, Temperature tolerance, and the Highest possible Resistance to Rust and Corrosion,Bye-Bye "Portable Potty" Stigma! P-Trap's Invisible Shield Keeps Your RV Smelling Like Coffee & Starlight!
$ 15.99
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Kegco 6X-HEXNUT-SS Stainless Steel Coupling Hex Nut
Stainless steel hex nuts
$ 11.02
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X AUTOHAUX 1 Set Brake Line Fittings Assortment for 3/16" Brake Line Tube with 6 Unions 12 Nuts
[Package Included] 6 x Unions, 12 x Nuts. Unions Size: 15.7x13.7mm / 0.62"x0.54"(L*D), Unions Inner Diameter: 8.6mm /0.34", Thread Inner Diameter: 5mm / 0.19", Thread Size : M9 × 1.0
$ 16.49
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Delta Faucet RP6203 Coupling Nuts and Tailpieces, 2-Pack
Designed exclusively for Delta faucets
$ 45.90
free shipping
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