Toggle Nav
Worldwide Shipping On Replacement Water Filters, Reverse Osmosis Membranes and Water Filtration Parts
Cart ()
Order Tracking
Toggle Nav
Toggle Nav
Cart ()
Order Tracking
Search
Advanced Search
Menu
Menu
Account

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

Page
  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. Learn More
    $27.99 Special Price $19.99 As low as $17.99
    Add to Wish List Add to Compare
  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 Learn More
    $19.99 Special Price $12.99 As low as $10.99
    Add to Wish List Add to Compare
  3. 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 Learn More
    $5.99
    Add to Wish List Add to Compare
  4. 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

    Learn More
    $0.45 Special Price $0.27 As low as $0.19
    Add to Wish List Add to Compare
  5. 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. Learn More
    $0.50 Special Price $0.32 As low as $0.24
    Add to Wish List Add to Compare
  6. 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. Learn More
    $0.59 Special Price $0.40 As low as $0.32
    Add to Wish List Add to Compare
  7. 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 Learn More
    $13.99
    Add to Wish List Add to Compare
  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 Learn More
    $22.99 Special Price $20.99
    Add to Wish List Add to Compare
  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. Learn More
    $15.99 Special Price $12.99
    Add to Wish List Add to Compare
  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..

    Learn More
    $4.99
    Add to Wish List Add to Compare
  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.

    Learn More
    $6.99
    Add to Wish List Add to Compare
  12. JOHN GUEST- PIC1812R- Locking Clips 3/8'' -1000
    (John Guest PIC1812R Locking Clips 3/8"
    John Guest PIC1812R Locking Clips 3/8" Learn More
    $5.99
    Add to Wish List Add to Compare
  13. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  14. 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 Learn More
    $4.99
    Add to Wish List Add to Compare
  15. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  16. 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 Learn More
    $4.99
    Add to Wish List Add to Compare
  17. 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 Learn More
    $4.99
    Add to Wish List Add to Compare
  18. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  19. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  20. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  21. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  22. 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 Learn More
    $4.99
    Add to Wish List Add to Compare
  23. 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

    Learn More
    $4.99
    Add to Wish List Add to Compare
  24. 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

    Learn More
    $2.79
    Add to Wish List Add to Compare
  25. 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

    Learn More
    $3.79
    Add to Wish List Add to Compare
  26. JOHN GUEST- PI0812S Plug 3/8'' Tube - 1000
    John Guest PI0812S Plug 3/8" Tube
    John Guest PI0812S Plug 3/8" Tube Learn More
    $3.29
    Add to Wish List Add to Compare
  27. 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 Learn More
    $7.99
    Add to Wish List Add to Compare
  28. 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

    Learn More
    $8.99
    Add to Wish List Add to Compare
  29. 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

    Learn More
    $11.99
    Add to Wish List Add to Compare
  30. 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 Learn More
    $12.99
    Add to Wish List Add to Compare
Page

SEE OUR ONLINE HELP GUIDE

Featured Category

RO Water Tanks
Arsenic Water Filters
Fluoride Water Filters
Nitrate Water Filters
Lead Reduction Water Filters
Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Cart

  1. ​

Filter Change Email Reminder

My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.