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American Water FiltrationServing the USA & World Since 1999

John Guest Fittings

John Guest Fittings
John Guest Speed Fit Connectors and Fittings

John Guest®

See John Guest Speed Fit Quick Connector Instructions For Use

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  1. John Guest ® Poly Tubing 1/2" For Pure Drinking Filter Water Systems
    John Guest ® Poly Tubing 1/2" For Pure Drinking Filter Water Systems
    John Guest ® Poly Tubing 1/2" O.D. (outer diameter) For Pure Drinking Water Systems - 1/2" O.D. (Outer Dimension) High Grade Drinking Water Tubing. Speedfit quick connector compatible. For Use With Optional Drain Saddle For Air Gap Faucet. Sold by the foot. Order 20 to get 20 feet.
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    $0.59 Special Price $0.40 As low as $0.32
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  2. JOHN GUEST- Angle-Stop-Valve - 3-8 - ASV121212W / ASVPP2LF - 1000
    John Guest Angle Stop Valve 3-8 ASV121212W / ASVPP2LF
    John Guest ASV121212W / ASVPP2LF Angle Stop Adapter Valve 3/8" Male Comp X 3/8" Male Comp X 3/8" Tube
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    $13.99
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  3. JOHN GUEST- 3/8 SCV Check Valve : 3/8'' Tube X 3/8'' Tube - 1000
    John Guest 3/8SCV Check Valve 3/8" Tube X 3/8" Tube
    John Guest 3/8SCV Check Valve 3/8" Tube X 3/8" Tube
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    $22.99 Special Price $20.99
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  4. JOHN GUEST- SCV-PI480822S - 1000
    John Guest Check Valve SCV-PI480822S 1/4" Tube X 1/4" MNPT
    John Guest SCV-PI480822S Check Valve. 1/4" Tube X 1/4" MNPT Fixed Elbow.
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    $15.99 Special Price $12.99
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  5. JOHN GUEST- PIC1808R Locking Clips 1/4'' - 1000
    John Guest PIC1808R Locking Clips for Quick Connectors 1/4"

    John Guest PIC1808R Locking Clips for Quick Connectors 1/4" for RO reverse osmosis systems and under counter water filter systems. (Package of 10)

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    $4.99
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  6. JOHN GUEST- PIC1816R Locking Clips 1/2'' - 1000
    John Guest PIC1816R Locking Clips 1/2" for Quick Connectors

    John Guest PIC1816R Locking Clips 1/2" for Quick Connectors on RO Reverse Osmosis & Under Counter Water Filter Systems. (Package of 10)

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    $6.99
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  7. JOHN GUEST- PIC1812R- Locking Clips 3/8'' -1000
    (John Guest PIC1812R Locking Clips 3/8"

    John Guest PIC1812R Locking Clips 3/8" for RO reverse osmosis systems and under counter water filter systems. (Package of 10)

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    $5.99
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  8. JOHN GUEST - PI010821S - Male Connector 1/4'' Tube X 1/8"" MNPT- 1000
    John Guest PI010821S Male Connector 1/4" Tube X 1/8" MNPT For Drinking Water Systems

    John Guest PI010821S Male Connector 1/4" Tube X 1/8" MNPT For Drinking Water Systems - SOLD IN PAIRS

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    $4.99
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  9. JOHN GUEST- PI011624S- 1000
    John Guest PI011624S Male Connector 1/2" Tube X 1/2" MNPT
    John Guest PI011624S Male Connector 1/2" Tube X 1/2" MNPT - SOLD IN PAIRS
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    $4.99
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  10. JOHN GUEST- PI01082S- 1000
    John Guest PI010822S Male Connector 1/4" Tube X 1/4" MNPT for Drinking Water Systems

    John Guest PI010822S Male Connector 1/4" Tube X 1/4" MNPT for Drinking Water Systems - SOLD IN PAIRS

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    $4.99
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  11. JOHN GUEST-PI010823S - 1000
    John Guest PI010823S Male Connector 1/4" Tube X 3/8 MNPT
    John Guest PI010823S Male Connector 1/4" Tube X 3/8" MNPT - SOLD IN PAIRS
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    $4.99
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  12. JOHN GUEST- PI011222S- 1000
    John Guest PI011222S Male Connector 3/8" Tube X 1/4" MNPT
    John Guest PI011222S Male Connector 3/8" Tube X 1/4" MNPT - SOLD IN PAIRS
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    $4.99
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  13. JOHN GUEST0- PI011223S- 1000
    John Guest PI011223S Male Connector 3/8" Tube X 3/8" MNPT Quick Connectors for Drinking Water Systems.

    John Guest PI011223S Male Connector 3/8" Tube X 3/8" MNPT Quick Connectors for Drinking Water Systems - SOLD IN PAIRS

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    $4.99
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  14. JOHN GUEST- PI480821S- 1000
    John Guest PI480821S Fixed Elbow 1/4" Tube X 1/8" MNPT Quick Connectors for Drinking Water Systems.

    John Guest PI480821S Fixed Elbow 1/4" Tube X 1/8" MNPT Quick Connectors for Drinking Water Systems - SOLD IN PAIRS

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    $4.99
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  15. JOHN GUEST- PI480822S - 1000
    John Guest PI480822S Fixed Elbow 1/4" Tube X 1/4" MNPT Connector

    John Guest PI480822S Fixed Elbow 1/4" Tube X 1/4" MNPT Connector for drinking water systems. - SOLD IN PAIRS

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    $4.99
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  16. JOHN GUEST- PI480823S- 1000
    John Guest PI480823S Fixed Elbow 1/4" Tube X 3/8" MNPT for drinking water systems

    John Guest PI480823S Fixed Elbow 1/4" Tube X 3/8" MNPT for drinking water systems - SOLD IN PAIRS

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    $4.99
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  17. JOHN GUEST- PI481222S - 1000
    John Guest PI481222S Fixed Elbow 3/8" Tube X 1/4 MNPT
    John Guest PI481222S Fixed Elbow 3/8" Tube X 1/4" MNPT - SOLD IN PAIRS
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    $4.99
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  18. JOHN GUEST- PI481223S - 1000
    John Guest PI481223S Fixed Elbow 3/8" Tube X 3/8" MNPT With Quick Connectors for Drinking Water Systems

    John Guest PI481223S Fixed Elbow 3/8" Tube X 3/8" MNPT With Quick Connectors for Drinking Water Systems - SOLD IN PAIRS

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    $4.99
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  19. JOHN GUEST- PI0808S Plug 1/4'' Tube- 1000
    John Guest PI0808S Plug 1/4" Tube for Quick Connectors on Drinking Water Systems

    John Guest PI0808S Plug 1/4" Tube for Quick Connectors on Drinking Water Systems

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    $2.79
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  20. JOHN GUEST-PI0816S Plug 1/2'' - 1000
    John Guest PI0816S Plug 1/2" Tube for Quick Connectors on Drinking Water Systems

    John Guest PI0816S Plug 1/2" Tube for Quick Connectors on Drinking Water Systems

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    $3.79
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  21. JOHN GUEST- PI0812S Plug 3/8'' Tube - 1000
    John Guest PI0812S Plug 3/8" Tube
    John Guest PI0812S Plug 3/8" Tube
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    $3.29
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  22. JOHN GUEST-PI0412S- 1000
    John Guest PI0412S Straight Union Connector 3/8" Tube X 3/8" Tube
    John Guest PI0412S Union Connector 3/8" Tube X 3/8" Tube
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    $7.99
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  23. JOHN GUEST- PI201208S- Reducing Union Connector- 1000
    John Guest PI201208S Reducing Union Connector 3/8" Tube X 1/4" Tube for Drinking Water Systems

    John Guest PI201208S Reducing Union Connector 3/8" Tube X 1/4" Tube for Drinking Water Systems

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    $8.99
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  24. JOHN GUEST- PI0208S Union Tee 1/4'' Tube X 1/4'' Tube X 1/4'' Tube - 1000
    John Guest PI0208S Union Tee 1/4" Tube X 1/4" Tube X 1/4" Tube for Drinking Water Systems

    John Guest PI0208S Union Tee 1/4" Tube X 1/4" Tube X 1/4" Tube for Drinking Water Systems

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    $9.99
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  25. JOHN GUEST- PI301612S Reducing Tee 1/2'' Tube X 3.8'' Tube - 1000
    John Guest PI301612S Reducing Tee 1/2" Tube X 3/8" Tube X 1/2" Tube
    John Guest PI301612S Reducing Tee 1/2" Tube X 3/8" Tube X 1/2" Tube
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    $12.99
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  26. JOHN GUEST- PI0212S Union Tee 3/8'' Tube X 3/8''' Tube - 1000
    John Guest PI0212S Union Tee 3/8" Tube X 3/8" Tube X 3/8" Tube for Drinking Water Systems

    John Guest PI0212S Union Tee 3/8" Tube X 3/8" Tube X 3/8" Tube for Drinking Water Systems

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    $10.99
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  27. JOHN-GUEST-Tee-3-8 X 1-4 - PI301208S Reducing Tee- 1000
    John Guest PI301208S Reducing Tee 3/8" Tube X 1/4" Tube X 1/4" Tube
    John Guest PI301208S Reducing Tee 3/8" Tube X 1/4" Tube X 3/8" Tube
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    $11.49
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  28. JOHN GUEST- PI051223S- Stem Adapter 3/8'' & 3/8'' NPTF Threads- 1000
    John Guest PI051223S Stem Adapter 3/8" Stem X 3/8" MNPT for drinking water systems

    John Guest PI051223S Stem Adapter 3/8" Stem X 3/8" MNPT for drinking water systems - SOLD IN PAIRS

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    $5.99
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  29. JOHN GUEST- Reducer PI050822S - Stem Adaptor 1/4'' x 1/4' NPTF Threads - 1000
    John Guest PI050822S Stem Adapter 1/4" Stem X 1/4" MNPT
    John Guest PI050822S Stem Adapter 1/4" Stem X 1/4" MNPT - SOLD IN PAIRS
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    $5.99
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  30. JOHN GUEST- PI051223S - Stem Adaptor 3/8'' & 3/8'' NPTF Thread- 1000
    John Guest PI051223S Stem Adapter 3/8" Stem X 3/8" MNPT for Drinking Water Systems
    John Guest PI051223S Stem Adapter 3/8" Stem X 3/8" MNPT - SOLD IN PAIRS
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    $5.99
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  31. JOHN GUEST- PPSV040808W- In-Line Shut-Off Valve- 1/4''- 1000
    John Guest PPSV040808W In-Line Shut-Off Valve 1/4" Tube
    John Guest PPSV040808W In-Line Shut-Off Valve 1/4" Tube X 1/4" Tube
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    $9.99
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  32. JOHN GUEST- PI061208S- Reducer 3/8'' & Stem X 1/4'' Tube- 1000
    John Guest PI061208S Reducer 3/8" Stem X 1/4" Tube
    John Guest PI061208S Reducer 3/8" Stem X 1/4" Tube - SOLD IN PAIRS
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    $5.99
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  33. John Guest PI051222S Stem Adapter 3/8" OD Stem X 1/4" MNPT - SOLD IN PAIRS
    John Guest PI051222S Stem Adapter 3/8" OD Stem X 1/4" MNPT - SOLD IN PAIRS
    John Guest PI051222S Stem Adapter 3/8" Stem X 1/4" MNPT - SOLD IN PAIRS
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    $5.99
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  34. John Guest Check Valve for reverse osmosis membrane housings. #NC2811
    John Guest Check Valve for reverse osmosis membrane housings. #NC2811

    Check valve made for your reverse osmosis membrane housing.  1/4 in. x 1/8 in. NPT elbow from John Guest part number NC2811, which features an integral check valve for R.O membrane housings. This elbow check valve prevents damage to the R.O. membrane due to backflow of the product water line.

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    $19.95 Special Price $12.95
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  35. John Guest Poly Tubing 3/8" For Pure Drinking Filter Water Systems
    John Guest ® Poly Tubing 3/8" For Pure Drinking Filter Water Systems
    John Guest ® Poly Tubing 3/8" O.D. (outer diameter) For Pure Drinking Water Systems - 3/8" O.D. (Outer Dimension) High Grade Drinking Water Tubing. Speedfit quick connector compatible. For Use With Optional Drain Saddle For Air Gap Faucet. Sold by the foot. Order 20 to get 20 feet.
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    $0.50 Special Price $0.32 As low as $0.24
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  36. JOHN GUEST- Faucet Connector 3/8' -' Tube 7/16''- 1000
    John Guest CI3212U7S Faucet Connector 3/8" Tube
    John Guest CI3212U7S Faucet Connector 3/8" Tube X 7/16-24 UNS Thread
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    $5.99
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  37. JOHN GUEST- PPSV500822W- Tank Shut-Off Valve 1/4'' - 1000
    John Guest PPSV500822W Tank Shut-Off Valve 1/4" Tube X 1/4" FNPT 90 For Drinking Water Systems

    John Guest PPSV500822W Tank Shut-Off Valve 1/4" Tube X 1/4" FNPT 90 For Reverse Osmosis Tanks

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    $11.99
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  38. JOHN GUEST- PPSV501222W- Tank Shut-Off Valve- 3/8'' - 1000
    John Guest PPSV501222W Tank Shut-Off Valve 3/8" Tube
    John Guest PPSV501222W Tank Shut-Off Valve 3/8" Tube X 1/4" FNPT 90
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    $12.99
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  39. Inline Check Valve - Back Flow Prevention - John Guest Speedfit Quick Connection 1/4SCV and 3/8SCV
    Inline Check Valve - Back Flow Prevention - John Guest Speedfit Quick Connection 1/4SCV and 3/8SCV
    Inline Check Valve - Back Flow Prevention - Check Valve- 1/4" quick connect - one way flow, Easy to install. 1/4SCV and 3/8SCV.
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    $27.99 Special Price $19.99 As low as $17.99
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  40. John Guest Angle Stop Water Valve
    John Guest ® Angle Stop Water Valve
    John Guest ® Angle Stop Water Valve - Makes installation a snap. Very simple to use. PPASV121208W and PPASV121212W
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    $19.99 Special Price $12.99 As low as $10.99
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  41. John Guest Poly Tubing 1/4" For Pure Drinking Filter Water Systems
    John Guest ® Poly Tubing 1/4" For Pure Drinking Filter Water Systems

    John Guest ® Poly Tubing 1/4" For Pure Drinking Filter Water Systems

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    $0.45 Special Price $0.27 As low as $0.19
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  42. John Guest ® Reducer - 1/4" tube to 3/8" stem (pair) PI061208S
    John Guest ® Reducer - 1/4" tube to 3/8" stem (pair) PI061208S
    John Guest ® Reducer - 1/4" tube to 3/8" stem. Easily connects 1/4" tubing to 3/8" female quick connect push in fittings. (price per pair) PI061208S
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    $11.99 Special Price $6.99 As low as $4.99
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  43. John Guest Tube Cutter Replacement Blades - 5 Pack
    John Guest ® Tube Cutter Replacement Blades - 5 Pack
    John Guest ® Tube Cutter Replacement Blades - Easy replacement. Package of 5 Replament Blades.
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    $15.99 Special Price $11.99 As low as $9.76
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  44. John Guest Locking Clips For Speedfit Quick Connectors For Water Tubes
    John Guest ® Locking Clips For Speedfit Quick Connectors For Water Tubes
    John Guest ® Locking clips secure the collet in position on John Guest Quick Connector to prevent an accidental disconnection of the tube. PIC1808R, PIC1812R and PIC1816R. PIC1808R = 1/4 " PIC1812R = 3/8 " PIC1816R = 1/2". Price is for a packet of 10.
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    $4.99 As low as $3.99
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  45. John Guest Super Speedfit Quick Connector - Male - Straight
    John Guest ® Super Speedfit Quick Connector - Male - Straight
    John Guest ® Super Speedfit Quick Connectors - Male - Straight - MNPT - Sold in pairs. Price is per pair. These fittings are manufactured in gray acetal copolymer with food grade nitrile ‘o’ ring, making them especially suitable for applications involving foodstuff and potable liquids like reverse osmosis drinking water. They are equally suitable for air and inert gasses and can therefore be used on CO2 lines, pneumatic applications, and vacuum. For more than a decade, John Guest has been supplying Super Speedfit fittings to the Water Purification market for drinking water applications in homes, restaurants and industry. John Guest products are listed with the WRC(UK), NSF(US) and SK(Germany). PI010821S , PI010822S , PI010823S, PI011222S , PI011223S
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    $8.99 Special Price $4.99 As low as $3.99
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  46. John Guest Speedfit Plug Quick Connector. PI0808S, PI0812S, PI0816S
    John Guest Speedfit Plug Quick Connector. PI0808S, PI0812S, PI0816S
    John Guest Speedfit Plug Quick Connector. Use to plug a John Guest Quick Connector filting. PI0808S, PI0812S, PI0816S
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    $4.99 Special Price $2.79 As low as $1.99
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  47. John Guest ® Straight Union Connector
    John Guest ® Straight Union Connector
    John Guest ® Straight Union Connector - Connects tube to tube using SpeedFit Quick Connectors. PI201208S , PI0408S , PI0412S
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    $9.99 Special Price $6.99 As low as $5.79
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  48. John Guest Speedfit Water Tank Valve For Reverse Osmosis Systems
    John Guest ® Speedfit Water Tank Valve For Reverse Osmosis Systems
    John Guest ® Tank Valve For Reverse Osmosis Systems - These valves are manufactured in white polypropylene with food grade EPDM 'O' Rings for use with potable water. This fitting is made of the following components: The body is produced in polypropylene. PPSV500822W and PPSV501222W.
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    $17.99 Special Price $11.99 As low as $9.99
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  49. John Guest Speedfit Plug In Stem Elbow Quick Connector PI220808S, PI221208S, PI221212S, PI221616S
    John Guest Speedfit Plug In Stem Elbow Quick Connector PI220808S, PI221208S, PI221212S, PI221616S
    John Guest Speedfit Plug In Stem Elbow Quick Connector For Water Filtration Systems. Easy to install and uninstall. Simply insert and this plug in elbow will create a 90 degree elbow corner turn. PI220808S, PI221208S, PI221212S, PI221616S.
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    $6.99 Special Price $3.99 As low as $3.39
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  50. John Guest inline water shut off valve
    John Guest ® inline water shut off valve
    John Guest ® inline water shut off valve - Easy to install push in quick connectors. PPSV040808W and PPSV041212W
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    $17.99 Special Price $9.99 As low as $7.99
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