Best Compression Fittings

Our Top 20 Best Compression Fittings list was created by The Man Post founder, Paul Crouch, to help users find products that are useful, affordable, and available. The list is updated every month.

Best Compression Fittings

XmucTech, 200PCS Brass Compression Fitting Ferrule Sleeve, 5 Sizes OD(316In 14In 516In 38In 12In) Assortment Kit

$19.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • 【Package include】40 pcs 3/16", 40 pcs 1/4", 50 pcs 5/16", 40 pcs 3/8", 30 pcs 1/2" and a complete package.
  • 【Application】Connects to copper, brass, aluminum, or plastic tubing, used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.
  • 【Material】Made of pure brass, ductility at high temperatures, and low magnetic permeability, strong, corrosion-resistant, durable.
  • 【Limit level】3000 PSI working pressure, Temperature range of -65°F to 250°F (-53°C to 121°C)
  • We guarantee that our products are of high quality and affordable. We are committed to providing better service, cherish every customer, and hope you can have a better shopping experience

LTWFITTING 1/4-Inch OD Compression Union,Brass Compression Fitting(Pack of 10)

$15.99  in stock
2 new from $15.99
Free shipping
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Type: Compression Union
  • Tube Size:1/4" OD
  • Materies: BRASS
  • Net Weight: 23.1g/PC
  • Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.

Breezliy 150PCS Tube OD(1/4" 5/16" 3/8" 1/2") Brass Compression Sleeves Ferrules & Insert,4 Sizes Brass Compression Fitting Assortment Kit

$21.98  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • ★Suitable for the outer diameter of the pipe:1/4" 5/16" 3/8" 1/2"
  • ★Material: Brass.Corrosion resistance, ductility at high temperatures, and low magnetic permeability.
  • ★Used with plastic and copper tubing.
  • ★Package Include:30PCS 1/4" ,20PCS 5/16",15PCS 3/8" ,10PCS 1/2" Sleeves Ferrules and Insert ,Total is 150PCS Brass Compression Fitting.
  • ★Application: Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.

Corsair Hydro X Series Xf Compression 10/13mm (3/8"/ 1/2") ID/OD Fittings Four Pack, Black, Model Number: CX-9051002-WW

$26.99  in stock
4 new from $26.99
Free shipping
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Dual 140mm fan mounts on either side of the radiator are ready for your most ambitious custom Liquid Cooling build.
  • 30mm radiator thickness delivers extreme cooling performance with high-airflow and low-noise fans.
  • A premium COPPER radiator core and 25 micron thick cooling fins provide a high thermal transfer rate optimized for CORSAIR's performance copper water blocks.
  • High-quality matte Black polyurethane coating delivers a flawless finish to match your system.
  • Integrated fan screw guides make it easy to install fans even when the radiator is fitted into a case.

Lead Free Brass Union Coupling 3/8" COMP x 3/8" COMP Leak Proof Easy Connect Union (5 Pack)

$13.49  in stock
2 new from $13.49
Free shipping
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Value 5 pack. Solid lead-free brass construction with compression fitting for 100% leak proof usage.
  • Size: Inlet 3/8" OD COMP x 3/8" OD COMP compression union. Compression nuts and ferrules included.
  • Used for coupling 3/8 OD pipes/lines together.
  • For use with cold or hot water feed with water temperatures of 40-165 Degrees Fahrenheit. Applicable in residential and commercial usage.
  • High quality, durable brass made from lead free compliant material. Safe for potable and non-potable water supply.

Brass Pipe Fittings in 20 Hole Large Metal Tray Assortment (18”w x 12”d x 3”h)

$179.00  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Brass Pipe Fittings in 20 Hole Metal Tray Assortment (18"w x 12"d x3”h)
  • Large Tray 20 items 91 pcs
  • 18"w x 12"d x 3"h

LTWFITTING 3/8-Inch OD Compression Union,Brass Compression Fitting(Pack of 10)

$21.99  in stock
2 new from $21.99
Free shipping
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Type: Compression Union
  • Tube Size:3/8" OD
  • Materies: BRASS
  • Net Weight: 34.7g/PC
  • Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.

4LIFETIMELINES Brass Compression Union, 5/16, 10/Bag

$13.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Our brake line unions are made with unmatched superior quality
  • Made of durable brass which is resistant to corrosion from salt that can be used on roads in the winter
  • Suitable for brake hydraulic line union
  • Works with steel, copper nickel, copper coated steel, PVF-coated, and stainless steel lines
  • Lifetime warranty included on all products purchased from 4Lifetimelines

4LIFETIMELINES Brass compression union, 3/16, 10/bag

$11.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • High quality brass for leak-proof reliability
  • Our brake line unions are made with unmatched superior quality
  • Made of durable brass which is resistant to corrosion from salt that can be used on roads in the winter
  • Suitable for brake hydraulic line union
  • Lifetime warranty included on all products purchased from 4Lifetimelines

LTWFITTING 3/8-Inch Brass Compression Cap Stop Valve Cap,Brass Compression Fitting(Pack of 700)

$267.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Type: Compression Cap
  • Tube Size:3/8" OD
  • Materies: BRASS
  • Net Weight: 8g/PC
  • Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.

Hilitchi 3Sizes Tube OD 1/4 5/16 3/8 Brass Compression Sleeves Ferrules Compression Fitting Kit (SAE, 105Pcs)

$13.98  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • ✅[QUALITY MATERIAL] Made of brass, these compression sleeves ferules are lightweight material but good toughness, high strength, features corrosion resistance and wear resistancee, strong pressure resistance, they are also very easy to assemble. Good sealing performance, no leaks.
  • ✅[FERRULE DESIGN] It is very practical for the tubing fitting. Like cylindrical shaped, bulging in the middle but two edges’s diameter are smaller than the belly part so that it could ensure the reliability of a compression seal.
  • ✅[HOW IT WORKS] Insert the tubing into the end of the fitting and then tighten it with the nut or screw and then forcing the ferrule into the fitting body. The ferrule design is very practical for the tubing. Like cylindrical shaped, it is bulging in the middle but two edges’s diameter are smaller than the belly part so that it could ensure the reliability of a compression seal.
  • ✅[APPLICATION] Since these brass compression fittings are good to create the most reliable seal, they can be see anywhere in systems from gas lines in refineries, to the plumbing under your sink, water heater in your home or a pipe transporting thing or your plumbing devices. They are used for fixed locking of copper pipe and hard pipe, PU tube, nylon tube or hard plastic tubing.
  • ✅[QUALITY AFTER-SALE SERVICE] If you do not satisfy with our products or if you have any questions, please come to us for help. We would work out a satisfactory solution to your problem. 12 hours response service!

Ruikarhop 150PCS Tube OD(1/4" 3/8" 1/2") Brass Compression Sleeves Ferrules,Brass Compression Fitting Assortment Kit

$18.80  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Suitable for the outer diameter of the pipe:1/4" 3/8" 1/2"
  • Product Material: Brass.
  • Used with plastic and copper tubing.
  • Package Include:150PCS Compression Sleeve Ferrules.
  • Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.

EKWB EK-Quantum Torque HDC-14 Compression Fitting for EKWB Rigid Tubing, 14mm OD, Nickel, 4-Pack

$37.99  in stock
2 new from $37.99
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • EK-Torque HDC 14 Nickel fittings are EK's new minimalistic 14mm hard-tube compression fittings designed for use with solid tubing such as Acrylic and PETG
  • They can be complemented by interchangeable aesthetic color rings, and are an ideal choice for anyone and a perfect match with EK-Quantum series products (aesthetic rings are sold separately)
  • The locking ring prevents solid tube to be pulled out of the fitting by compressing the rubber gasket underneath the ring
  • The base fitting surface is smooth and has no adequate gripping surface, but the inside of the barb is socketed with a 9mm hex Allen key pattern
  • The outer diameter of a fitting: 22mm

LTWFITTING 3/16-Inch OD Compression Union,Brass Compression Fitting(Pack of 10)

$14.99  in stock
2 new from $14.99
Free shipping
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Type: Compression Union
  • Tube Size:3/16" OD
  • Materies: BRASS
  • Net Weight: 17.5g/PC
  • Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.

SDTC Tech 4-Pack G1/4" to 3/8" ID 1/2 OD Quick Tighten Compression Fitting for Soft Tubing, PC Water Cooling System Soft Tube Connectors

$20.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • G1/4 PC Water Cooling System Soft Tubing Fitting, quick and easy to tighten, with embedded O ring design for leakproof seal.
  • Suit for 3/8" ID 1/2" OD Tubing, compatible with 9.5mm * 12.7mm (ID*OD), 10mm * 13mm (ID*OD) soft tube.
  • Made of high quality brass, black chrome finish, rust resistant and durable.
  • The Soft Tube Connector equipped with a ultra-tight compression fitting to securely seal your water cooling loop.
  • Package includes 4pcs G1/4" Male Thread to 3/8" * 1/2" (ID*OD) Soft Tubing Quick Fitting.

Breezliy 180PCS Tube OD(1/4" 5/16" 3/8" 1/2") Brass Compression Sleeves Ferrules ,4 Sizes Brass Compression Fitting Assortment Kit

$18.98  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Suitable for the outer diameter of the pipe:1/4" 5/16" 3/8" 1/2" .
  • Product Material: Brass.
  • Used with plastic and copper tubing.
  • Package Include:60PCS 1/4" ,50PCS 5/16",40PCS 3/8" ,30PCS 1/2" ,Total is 180PCS Compression Sleeve Ferrules.
  • Application: Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.

Beduan 304 Stainless Steel Compression Fitting Ferrule, 3/8" Tube OD x 1/4" NPT Male, Straight Adapter Connect with Double Ferrules

$14.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Size: Tube OD 3/8"; Male Dia : NPT1/4"; Ferrule Mini Inner Dia : 3/8" .
  • Material: 304 stainless steel , corrosion resistant ductility at high temperatures, and low magnetic permeability.
  • Working Pressure: 0-20mpa | 0-2900psi.
  • Working Temperature: -50- 450°C | -58~842°F
  • Application: Oil, gas, water and other pipeline connection.

CZQC Black PC Water Cooling System Soft Tube Connector 2PCS G1/4" to 3/8" ID, 1/2" OD Compression Fitting for Soft Tubing

$9.99  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Material: Made of brass, sturdy and durable, surface treatment: chrome plated.
  • Portable size: outer diameter is 12.7mm/0.5inch, inner diameter is 9.5mm/0.37inch (support hose 9.5x12.7).
  • Thread specification: G1/4 .
  • Features: hand-tightening fast screw.
  • Package includes: 2PCS black computer water cooling system connectors.

Horiznext Stainless Steel Compression Fitting, 1/2" Tube OD x 1/2 NPT Male Coupler ss tubing adapter

$10.60  in stock
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Coupler connects to tubing on one end and has an NPT male thread connector on the other.
  • 1/2" outer diameter tube,1/2 NPT male thread.
  • Made of stainless steel 304, heavy duty, durable and corrosion resistance.
  • Maximum working pressure of 600 psi.
  • Temperature range from -100 to + 660 degrees ℉

Barrow G1/4" to 3/8" ID, 5/8" OD Compression Fitting for Soft Tubing, Black, 4-Pack

$24.99
$15.03
 in stock
4 new from $15.03
Free shipping
Amazon.com
as of February 19, 2022 1:05 pm

Features

  • Fitting for PC water cooling application
  • Compression fitting
  • High Quality Nickel-plated Brass
  • Thread: G1/4"
  • Color: Black

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