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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. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. Aquatec-Merlin Adaptor 1/2'' to 3/4'' John Guest Disconnect with Buna-N-O-Ring-QJS-554-1000
    Aquatec 1/2" John Guest to 3/4" Quick Disconnect With Buna N O-ring For Merlin Reverse Osmosis System Pumps
    Aquatec 1/2" John Guest to 3/4" Quick Disconnect With Buna N O-ring For Merlin Pumps.
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    $12.99 Special Price $9.99
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  8. 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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  9. 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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  10. 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..

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    $4.99
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  11. 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.

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    $6.99
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  12. 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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  13. 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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  14. 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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  15. 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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  16. 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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  17. 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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  18. 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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  19. 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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  20. 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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  21. 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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  22. 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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  23. 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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  24. 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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  25. 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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  26. 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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  27. 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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  28. 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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  29. 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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  30. 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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  31. 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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  32. 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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  33. 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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  34. 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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  35. 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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  36. JOHN GUEST- PPSV041212W- In-Line Shut-Off Valve 3/8'' - 1000
    John Guest In-Line Shut-Off Valve 3/8" Tube - PPSV041212W
    John Guest PPSV041212W In-Line Shut-Off Valve 3/8" Tube X 3/8" Tube
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    $10.99
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  37. 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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  38. JOHN GUEST- 1/4'' Natural/ Clear Poly Tube- Clear Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Natural Clear Poly Tube - Clear Replacement Tubing for Water Filter Systems
    John Guest 1/4" Natural Clear Poly Tube - Clear Replacement Tubing for Water Filter Systems
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    $0.27
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  39. JOHN GUEST - 1/4'' Black Poly Tube- Black Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Black Poly Tube - Black Replacement Tubing for Water Filter Systems
    John Guest 1/4" Black Poly Tube - Black Replacement Tubing for Water Filter Systems
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    $0.30
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  40. JOHN GUEST- 1/4'' Blue Poly Tube- Blue Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Blue Poly Tube - Blue Replacement Tubing for Water Filter Systems.
    John Guest 1/4" Blue Poly Tube - Blue Replacement Tubing for Water Filter Systems.
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    $0.30
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  41. JOHN GUEST- 1/4'' Green Poly Tube- Green Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Green Poly Tube - Green Replacement Tubing for Water Filter Systems
    John Guest 1/4" Green Poly Tube - Green Replacement Tubing for Water Filter Systems
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    $0.30
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  42. JOHN GUEST- 1/4'' - Orange Poly Tube- Orange Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Orange Poly Tube - Orange Replacement Tubing for Water Filter Systems
    John Guest 1/4" Orange Poly Tube - Orange Replacement Tubing for Water Filter Systems
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    $0.30
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  43. JOHN GUEST- 1/4'' Red Poly Tube- Red Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Red Poly Tube - Red Replacement Tubing for Water Filter Systems
    John Guest 1/4" Red Poly Tube - Red Replacement Tubing for Water Filter Systems.
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    $0.30
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  44. JOHN GUEST- Poly Tube 1/4'' PE White - Replacement Tubing for Water Filter Systems- 1000
    Poly Tube John Guest 1/4" PE White Replacement Tubing for Water Filter Systems. PE-16-GI-0250F-N - Poly Tubing
    Poly Tube John Guest 1/4" PE White Replacement Tubing for Water Filter Systems. PE-16-GI-0250F-N - Poly Tubing. Sold by the foot.
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    $0.30
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  45. JOHN GUEST - Poly Tube 1/4'' PE Yellow - Replacement Tubing for Water Filter Systems- 1000
    Poly Tube John Guest 1/2" PE Natural Clear Replacement Tubing for Water Filter Systems
    Poly Tube John Guest 1/2" PE Natural Clear Replacement Tubing for Water Filter Systems
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    $0.37
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  46. JOHN GUEST- Poly Tube 1/4'' PE Yellow - Replacement Tubing for Water Filter Systems- 1000
    Poly Tube John Guest 1/4" PE Yellow Replacement Tubing for Water Filter Systems. PE-16-GI-0250F-N -Tubing
    Poly Tube John Guest 1/4" PE Yellow Replacement Tubing for Water Filter Systems. PE-16-GI-0250F-N -Tubing
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    $0.37
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  47. JOHN GUEST- Poly Tube 1/2'' - PE-16-GI-0250F-R-Red Tubing- 1000
    Poly Tube John Guest 1/2" Poly Tube PE-16-GI-0250F-R - Red Tubing
    Poly Tube John Guest 1/2" PE Red Replacement Tubing for Water Filter Systems
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    $0.40
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  48. JOHN GUEST- Poly Tube 3/8'' PE Natural/ Clear - Replacement Tubing for Water Filter Systems - 1000
    Poly Tube John Guest 3/8" PE Natural Clear Replacement Tubing for Water Filter Systems
    Poly Tube John Guest 3/8" PE Natural Clear Replacement Tubing for Water Filter Systems
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    $0.32
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  49. JOHN GUEST- Poly Tube 3/8'' PE Black - Replacement Tubing for Water Filter Systems - 1000
    Poly Tube John Guest 3/8" PE Black Replacement Tubing for Water Filter Systems
    Poly Tube John Guest 3/8" PE Black Replacement Tubing for Water Filter Systems
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    $0.35
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  50. JOHN GUEST- Poly Tube 3/8'' PE Blue- Replacement Tubing for Water Filter Systems- 1000
    Poly Tube John Guest 3/8" PE Blue Replacement Tubing for Water Filter Systems
    Poly Tube John Guest 3/8" PE Blue Replacement Tubing for Water Filter Systems
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    $0.35
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