John Guest

John Guest Quick Connect Fittings for Water Treatment John Guest’s Standard line of Quick Connect Push-In Fittings have been designed for use with a wide range of water treatment applications involving Water Purification, Reverse Osmosis, Ice Makers, Beverage Dispensing, Vending & OCS, R.V. and Marine, Car Washing Systems and many more. The fittings are simple to use and require no tools to make reliable, leak-free connections. Standard Push-In Fittings are produced from FDA compliant materials and are listed with NSF International Standards 51 and 61

Working Pressures and Temperatures:

Maximum: 150 psi@ 70°F (10 Bar @ 20°C)
60 psi@ 140°F (4 Bar @ 60°C)
Minimum: 33°F (1°C)

Connections Codes:

Color Codes:

M: Male Thread
F: Female Thread

T: Tubing

S: Stem

G: Grey

W: White

B: Blue

Male Straight Connectors NPTF Thread

Model No.	Description	Color
PI010821S	¼”T × ⅛”M	G
CI010821W	¼”T × ⅛”M	W
PI010822S	¼”T × ¼”M	G
CI010822W	¼”T × ¼”M	W
PI010823S	¼”T × ⅜”M	G
PI011221S	⅜”T × ⅛”M	G
PI011222S	⅜”T × ¼”M	G
CI011222W	⅜”T × ¼”M	W
PI011223S	⅜”T × ⅜”M	G
PI011224S	⅜”T × ½”M	G
PI011624S	½”T × ½”M	G
F-010422S1	⁵/32”T x ¼”M	W

Male Stem Adaptors NPTF Thread

Model No.	Description	Color
PI050821S	¼”S × ⅛”M	G
CI050821W	¼”S × ⅛”M	W
PI050822S	¼”S × ¼”M	G
CI050822W	¼”S × ¼”M	W
PI051222S	⅜”S × ¼”M	G
CI051222W	⅜”S × ¼”M	W
PI051223S	⅜”S × ⅜”M	G
CI051223W	⅜”S × ⅜”M	W
PI051623S	½”S × ⅜”M	G
PI051624S	½”S × ½”M	G

Stem Reducers

Model No.	Description	Color
CI061208S	⅜”S × ¼”T	W
CI061208W	⅜”S ×¼” T	W
PI061612S	½”S x ⅜” T	G

Plugs

Model No.	Description	Color
PI0808S	¼” Plug	B
PI0812S	⅜” Plug	B
PI0816S	½” Plug	B

Union Tees

Model No.	Description	Color
PI0208S	¼”T	G
CI0208W	¼”T	W
PI0212S	⅜”T	G
CI0212W	⅜”T	W
PI0216S	½”T	G

Reducing Branch Tees

Model No.	Description	Color
PI301208S	⅜”T End × ⅜”T End × ¼”T Branch	G
PI301612S	½”T End × ½”T End × ⅜”T Branch	G

Fixed Male Elbows NPTF Thread

Model No.	Description	Color
PI480821S	¼”T × ⅛”M	G
CI480821W	¼”T × ⅛”M	W
PI480822S	¼”T × ¼”M	G
CI480822W	¼”T × ¼”M	W
PI480823S	¼”T × ⅜”M	G
CI480823W	¼”T × ⅜”M	W
PI481222S	⅜”T × ¼”M	G
CI481222W	⅜”T × ¼”M	W
PI481223S	⅜”T × ⅜”M	G
PI482024S	⅝” T × ½”M	G

Union Elbows & Reducing Union Elbows

Model No.	Description	Color
PI0308S	¼”T × ¼”T	G
CI0308W	¼”T × ¼”T	W
PI0312S	⅜”T × ⅜”T	G
CI0312W	⅜”T × ⅜”T	W
PI0316S	½”T × ½”T	G
PI211008S	⁵/16”T × ¼”T	G
PI211208S	⅜”T × ¼”T	G
PI211612S	½”T × ⅜”T	G

Stem Elbows

Model No.	Description	Color
PI220808S	¼”S × ¼”T	G
CI220808W	¼”S × ¼”T	W
PI221208S	⅜”S × ¼”T	G
PI221212S	⅜”S × ⅜”T	G

Working Pressures and Temperatures:

Maximum:150 psi@ 70°F (10 Bar @ 20°C)
60 psi@ 140°F (4 Bar @ 60°C)
Minimum: 33°F (1°C)

Connections Codes:

Color Codes:

M: Male Thread
F: Female Thread

T: Tubing

S: Stem

G: Grey

W: White

Union Connectors & Reducing Unions

Model No.	Description	Color
PI0408S	¼”T × ¼”T	G
CI0408W	¼”T × ¼”T	W
PI0412S	⅜”T × ⅜”T	G
CI0412W	⅜”T × ⅜”T	W
PI0416S	½”T × ½”T	G
PI200806S	¼”T × ³/16”T	G
PI201008S	⁵/16”T × ¼”T	G
PI201208S	⅜”T × ¼”T	G
PI201612S	½”T × ¼”T	G

Bulkhead Unions & Reducers

Model No.	Description	Color
PI1208S	¼”T × ¼”T	G
PI1212S	⅜”T × ⅜”T	G
PI1216S	½”T × ½”T	G
PI121208S	⅜”T × ¼”T	G

Female Connectors NPTF Thread

Model No.	Description	Color
PI450822S	¼”T × ¼”F	G
PI451222S	⅜”T × ¼”F	G

Female Flare Connectors FFL Thread, 45°Flare

Model No.	Description	Color
PI4512F4S	⅜”T × ¼”F	G
PI4512F6S	⅜”T × ⅜”F	G

Female Cross

Model No.	Description	Color
PI4712S	⅜”T – All Sides	G

End Stop

Model No.	Description	Color
PI4608S	¼”T	G
PI4612S	⅜”T	G

Barb Connector

Model No.	Description
CI270808W	¼” Superseal × ¼” Hose

Dividers and U-Bend

Model No.	Description	Color
PI2312S	⅜”T In & Out Two-Way Divider	G
PI491612S	½”T In × ⅜”T Out Three-Way Divider	G
PIUB16S	½” In & Out U-Bend	G

Faucet Connectors UNS Thread

Model No.	Description
CI3208U7S	¼”T × ⁷/16” Thread
CI3212U7S	⅜”T × ⁷/16” Thread

Tube to Hose Stem

Model No.	Description	Color
PI250808S	¼”S × ¼” Hose	G
PI251208S	⅜”S × ¼”Hose	G
PI251212S	⅜”S × ⅜”Hose	G
PI251216S	⅜”S × ½”Hose	G
PI251612S	½”S × ⅜”Hose	G
PI251616S	½”S × ½”Hose	G

Tube to Hose Elbow

Model No.	Description	Color
PI290808S	¼”S × ¼” Hose	G
PI291208S	⅜”S × ¼” Hose	G

Collet Covers

Model No.	Size	Color
PI1908B	¼”	Blue
PI1908R	¼”	Red
PI1908S	¼”	Gray
PI1908Y	¼”	Yellow
Model No.	Size	Color
PI1912B	⅜”	Blue
PI1912R	⅜”	Red
PI1912S	⅜”	Gray

Locking Clips

Model No.	Description
PIC1808R	For ¼” Tubing
PIC1812R	For ⅜” Tubing
PIC1816R	For ½” Tubing

Other Fitting Components & Support

Model No.	Description
PI2808S	Half Cartridge ¼”
TS250000S	Tube Support ¼”
CP-C081-DG	¼” Collet – Gray
CP-C121-DG	⅜” Collet – Gray
CP-C161-DG	½” Collet – Gray
Model No.	Description.
TSPIT001	Release Tool ¼”&⅜”
CP-R081-S	¼” O-Ring
CP-R121-S	⅜” O-Ring
CP-R161-S	½” O-Ring

John Guest

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