John Guest

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  • Straight Adaptor 3/8" Push Fit 1/2" Thread - John Guest - Barista Supplies
    John Guest Straight Adaptor 3/8" Push Fit 1/2" Thread
    John Guest Straight Adaptor 3/8" Push Fit 1/2" Thread To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Straight Adaptor 3/8"...
    $7.00
  • Straight Adaptor 3/8" Push Fit - John Guest - Barista Supplies
    John Guest Straight Adaptor 3/8" Push Fit
    John Guest Straight Adaptor 3/8" Push Fit To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Straight Adaptor 3/8" Push Fit...
    $7.00
  • Straight Adaptor 1/4" Push Fit to 3/8 Thread - John Guest - Barista Supplies
    John Guest Straight Adaptor 1/4" Push Fit to 3/8 Thread
    John Guest Straight Adaptor 1/4" Push Fit to 3/8 Thread To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Straight Adaptor...
    $6.00
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  • Stem Elbow 3/8" To 3/8" - John Guest - Barista Supplies
    John Guest Stem Elbow 3/8" To 3/8"
    John Guest Stem Elbow 3/8" To 3/8" To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Stem Elbow 3/8" To 3/8"...
    $7.00
  • Single Check Valve 3/8 - John Guest - Barista Supplies
    John Guest Single Check Valve 3/8
    John Guest Single Check Valve 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Single Check Valve 3/8 Features Push-fit...
    $31.00
  • Shut-Off Valve Speedfit 3/8 - John Guest - Barista Supplies
    John Guest Shut-Off Valve Speedfit 3/8
    John Guest Shut-Off Valve Speedfit 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Shut-Off Valve Speedfit 3/8 Features Push-fit...
    $11.00
  • Mounting Clip Tube 3/8 - John Guest - Barista Supplies
    John Guest Mounting Clip Tube 3/8
    John Guest Mounting Clip Tube 3/8 The mounting clip is designed to give a very firm grip. A twisting action is needed to remove the valve. The clip can be used with either shut off valve. When used with the short handle version, valves...
    $3.00
  • Locking Clip 3/8 - John Guest - Barista Supplies
    John Guest Locking Clip 3/8
    John Guest Locking Clip 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. This John Guest Locking Clip secures the collet in its...
    $1.00
  • John Guest Reducer 3/8" to 1/4" - Barista Supplies
    John Guest Reducer 3/8" to 1/4"
    John Guest Reducer 3/8" to 1/4" To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Reducer 3/8" to 1/4" Features Push-fit...
    $5.00
  • John Guest Equal Tee Connector 3/8 - Barista Supplies
    John Guest Equal Tee Connector 3/8
    John Guest Equal Tee Connector 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Equal Tee Connector 3/8 Features Push-fit...
    $7.00
  • Tap Adapter Tube 3/8 Thread 3/8 - John Guest - Barista Supplies Tap Adapter Tube 3/8 Thread 3/8 - John Guest - Barista Supplies
    John Guest Tap Adapter Tube 3/8 Thread 3/8
    John Guest Tap Adapter Tube 3/8 Thread 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Tap Adapter Tube 3/8...
    $7.00
  • Straight Adaptor 1/4" Push Fit to 1/2" Thread - John Guest - Barista Supplies
    John Guest Straight Adaptor 1/4" Push Fit to 1/2" Thread
    John Guest Straight Adaptor 1/4" Push Fit to 1/2" Thread To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Straight Adaptor...
    $6.00
  • Straight Adaptor 1/4" Push Fit - John Guest - Barista Supplies
    John Guest Straight Adaptor 1/4" Push Fit
    John Guest Straight Adaptor 1/4" Push Fit To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Straight Adaptor 1/4" Push Fit...
    $7.00
  • Stem Male Adaptor 3/8 OD 1/4 Thread - John Guest - Barista Supplies
    John Guest Stem Male Adaptor 3/8 OD 1/4 Thread
    John Guest Stem Male Adaptor 3/8 OD 1/4 Thread To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Stem Male Adaptor...
    $5.00
  • Stem Male Adapter 1/4 OD 1/4 Thread - John Guest - Barista Supplies
    John Guest Stem Male Adapter 1/4 OD 1/4 Thread
    John Guest Stem Male Adapter 1/4 OD 1/4 Thread To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Stem Male Adapter...
    $5.00
  • Shut-Off Valve Speedfit 3/8 Thread 3/8 - John Guest - Barista Supplies
    John Guest Shut-Off Valve Speedfit 3/8 Thread 3/8
    John Guest Shut-Off Valve Speedfit 3/8 Thread 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Shut-Off Valve Speedfit 3/8...
    $11.00
  • Mounting Clip Tube 1/4" - John Guest - Barista Supplies
    John Guest Mounting Clip Tube 1/4"
    John Guest Mounting Clip Tube 1/4" The mounting clip is designed to give a very firm grip. A twisting action is needed to remove the valve. The clip can be used with either shut off valve. When used with the short handle version, valves...
    $3.00
  • Locking Clip 1/4 - John Guest - Barista Supplies
    John Guest Locking Clip 1/4
    John Guest Locking Clip 1/4 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. This John Guest Locking Clip secures the collet in its...
    $1.00
  • John Guest Equal Tee Connector 1/4" - Barista Supplies
    John Guest Equal Tee Connector 1/4"
    John Guest Equal Tee Connector 1/4" To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Equal Tee Connector 1/4" Features Push-fit...
    $7.00
  • John Guest Equal Elbow Connector 3/8 - Barista Supplies
    John Guest Equal Elbow Connector 3/8
    John Guest Equal Elbow Connector 3/8 To make a connection, the tube is simply pushed in by hand; the unique collet locking system then holds the tube firmly in place without deforming it or restricting flow. John Guest Equal Elbow Connector 3/8 Features Push-fit...
    $7.00

John Guest

John Guest fittings are a popular choice for many plumbing and fluid transfer applications. These fittings are known for their reliable performance, ease of installation, and ability to create leak-free connections without the need for special tools or expertise. At our Barista Supplies, we offer a wide range of John Guest fittings to suit the needs of a variety of industries and applications. Browse our selection today and experience the quality and convenience of John Guest fittings for yourself.


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