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![John Guest ProLock Twist-to-Lock Fittings](ProLock_files/Group-crop2_250x200.jpg) |
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NSF Standard 61 Certified. |
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ProLock Fittings are offered in 3/8 to 1 inch CTS sizes. They have been specifically designed for the professional plumber. The fittings are manufactured from high quality engineered plastic with EPDM o-rings. ProLock Twist-to-Lock fittings are suitable for hot and cold water plumbing applications.
ProLock fittings have a collet with stainless steel teeth that grip the pipe when fully inserted, and an o-ring to provide a permanent, leak-proof seal. When twisted into place, the indicator marks will align, and the locking cap will fasten the pipe in place with an audible click, ensuring maximum security. No tools, soldering, clamps, or glue are ever required.
Working Pressures and Temperatures |
Water: |
Max. 160 psi at 73°F (max. 11 bar at 23°C)
Max. 100 psi at 180°F (max. 7 bar at 82°C)
Max. 80 psi at 200°F (max. 5.5 bar at 93°C) |
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Tee |
![ProLock Tee](ProLock_files/Tee_100x70.jpg) |
Part
Number |
Size CTS
End
(Inch) |
Size CTS
End
(Inch) |
Size CTS
Branch
(Inch) |
PSEI0216E |
3/8 |
3/8 |
3/8 |
PSEI0220E |
1/2 |
1/2 |
1/2 |
PSEI0228E |
3/4 |
3/4 |
3/4 |
PSEI0236E |
1 |
1 |
1 |
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Elbow |
![ProLock Elbow](ProLock_files/Elbow_100x72.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
PSEI0316E |
3/8 |
3/8 |
PSEI0320E |
1/2 |
1/2 |
PSEI0328E |
3/4 |
3/4 |
PSEI0336E |
1 |
1 |
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Coupler |
![ProLock Coupler](ProLock_files/Coupler_100x59.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
PSEI0416E |
3/8 |
3/8 |
PSEI0420E |
1/2 |
1/2 |
PSEI0428E |
3/4 |
3/4 |
PSEI0436E |
1 |
1 |
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Reducing Coupler |
![ProLock Reducing Coupler](ProLock_files/Reducing-Coupler_100x59.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
PSEI202016E |
1/2 |
3/8 |
PSEI202820E |
3/4 |
1/2 |
PSEI203628E |
1 |
3/4 |
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Reducing Elbow |
![ProLock Reducing Elbow](ProLock_files/Reducing-Elbow_100x76.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
PSEI212016E |
1/2 |
3/8 |
PSEI212820E |
3/4 |
1/2 |
PSEI213628E |
1 |
3/4 |
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Reducing Tee |
![ProLock Reducing Tee](ProLock_files/Reducing-Tee_100x70.jpg) |
Part
Number |
Size CTS
End
(Inch) |
Size CTS
End
(Inch) |
Size CTS
Branch
(Inch) |
PSEI3016AE |
1/2 |
1/2 |
3/8 |
PSEI3028AE |
3/4 |
3/4 |
1/2 |
PSEI3028BE |
3/4 |
1/2 |
1/2 |
PSEI3028CE |
1/2 |
1/2 |
3/4 |
PSEI3028DE |
3/4 |
1/2 |
3/4 |
PSEI3036AE |
1 |
1 |
3/4 |
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Plug-in Elbow |
![ProLock Plug-in Elbow](ProLock_files/Plugin-Elbow_100x74.jpg) |
Part
Number |
Size
Stem
(Inch) |
Size
CTS
(Inch) |
PSEI222020E |
1/2 |
1/2 |
PSEI222828E |
3/4 |
3/4 |
PSEI223636E |
1 |
1 |
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Reducer |
![ProLock Reducer](ProLock_files/Reducer_100x56.jpg) |
Part
Number |
Size
Stem
(Inch) |
Size
CTS
(Inch) |
PSEI062016E |
1/2 |
3/8 |
PSEI062820E |
3/4 |
1/2 |
PSEI063628E |
1 |
3/4 |
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Male Connector — NPT Thread |
![ProLock Male Connector - NPT Thread](ProLock_files/Male-Connector-NPT_100x64.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPT
(Inch) |
PSEI011624E |
3/8 |
1/2 |
PSEI012024E |
1/2 |
1/2 |
PSEI012024EPX2 |
1/2 |
1/2 |
PSEI012026E |
1/2 |
3/4 |
PSEI012824E |
3/4 |
1/2 |
PSEI012826E |
3/4 |
3/4 |
PSEI012826EPX2 |
3/4 |
3/4 |
PSEI012828E |
3/4 |
1 |
PSEI013626E |
1 |
3/4 |
PSEI013628E |
1 |
1 |
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Male Stem Adapter — NPT Thread |
![ProLock Male Stem Adapter - NPT Thread](ProLock_files/Male-Stem-Adapter-NPT_100x38.jpg) |
Part
Number |
Size
Stem
(Inch) |
Size
NPT
(Inch) |
PSEI052826E |
3/4 |
3/4 |
PSEI053628E |
1 |
1 |
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Male Fixed Elbow — NPT Thread |
![ProLock Male Fixed Elbow - NPT Thread](ProLock_files/Male-Fixed-Elbow-NPT_100x70.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPT
(Inch) |
PSEI482024E |
1/2 |
1/2 |
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Female Connector — NPS Thread |
![ProLock Female Connector - NPS Thread](ProLock_files/Female-Connector-NPS_100x59.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPS
(Inch) |
PSEI622036E-L |
1/2 |
3/4 |
PSEI622836E-L |
3/4 |
3/4 |
PSEI622838E-L |
3/4 |
1 |
PSEI623638E-L |
1 |
1 |
PSEI62363AE-L |
1 |
1-1/4 |
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Female Elbow Connector — NPS Thread |
![ProLock Female Elbow Connector - NPS Thread](ProLock_files/Female-Elbow-Connector-NPS_100x73.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPS
(Inch) |
PSEI632836E-L |
3/4 |
3/4 |
PSEI632838E-L |
3/4 |
1 |
PSEI63283AE-L |
3/4 |
1-1/4 |
PSEI63363AE-L |
1 |
1-1/4 |
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Female Stem Adapter — NPS Thread |
![ProLock Female Stem Adapter - NPS Thread](ProLock_files/Female-Stem-Adapter-NPS_100x69.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPS
(Inch) |
PSEI502034E |
1/2 |
1/2 |
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End Cap |
![ProLock End Cap](ProLock_files/End-Cap_100x51.jpg) |
Part
Number |
Size
CTS
(Inch) |
PSEI4616E |
3/8 |
PSEI4620E |
1/2 |
PSEI4628E |
3/4 |
PSEI4636E |
1 |
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Slip Connector |
![ProLock Slip Connector](ProLock_files/Slip-Connector_100x63.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
1/2SCEP |
1/2 |
1/2 |
3/4SCEP |
3/4 |
3/4 |
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Stackable Tee |
![ProLock Stackable Tee](ProLock_files/Stackable-Tee_100x69.jpg) |
Part
Number |
Size Stem
End
(Inch) |
Size CTS
End
(Inch) |
Size CTS
Branch
(Inch) |
PSEI532020E |
1/2 |
1/2 |
1/2 |
PSEI532820E |
3/4 |
3/4 |
1/2 |
PSEI532828E |
3/4 |
3/4 |
3/4 |
PSEI533628E |
1 |
1 |
3/4 |
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Shutoff Valve |
![ProLock Shutoff Valve](ProLock_files/Shutoff-Valve_100x54.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
PSEISV20EP |
1/2 |
1/2 |
PSEISV28EP |
3/4 |
3/4 |
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Female Garden Hose Elbow |
![Female Garden Hose Elbow](ProLock_files/Female-Garden-Hose-Elbow_100x69.jpg) |
Part
Number |
Size
OD
(Inch) |
Size
NH
(Inch) |
NC2723 |
3/8 |
3/4"-11.5 |
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Brass Male Connector — NPT Thread |
![ProLock Brass Male Connector - NPT Thread](ProLock_files/Brass-Male-Connector-NPT_100x57.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPT
(Inch) |
MWI011624LF-E |
3/8 |
1/2 |
MWI012024LF-E |
1/2 |
1/2 |
MWI012026LF-E |
1/2 |
3/4 |
MWI012824LF-E |
3/4 |
1/2 |
MWI012826LF-E |
3/4 |
3/4 |
MWI012828LF-E |
3/4 |
1 |
MWI013626LF-E |
1 |
3/4 |
MWI013628F-E |
1 |
1 |
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Brass Male Stem Adapter — NPT Thread |
![Brass Male Stem Adapter - NPT Thread](ProLock_files/Brass-Male-Stem-Adapter-NPT_100x36.jpg) |
Part
Number |
Size
Stem
(Inch) |
Size
NPT
(Inch) |
MWI052024LF |
1/2 |
1/2 |
MWI052826LF |
3/4 |
3/4 |
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Brass Female Connector — NPS Thread |
![ProLock Brass Female Connector - NPS Thread](ProLock_files/Brass-Female-Connector-NPS_100x63.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPS
(Inch) |
PSEI601634E |
3/8 |
1/2 |
PSEI602034E |
1/2 |
1/2 |
PSEI602036E |
1/2 |
3/4 |
PSEI602834E |
3/4 |
1/2 |
PSEI602836E |
3/4 |
3/4 |
PSEI603638E |
1 |
1 |
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Brass Female Elbow Connector — NPS Thread |
![ProLock Brass Female Elbow Connector - NPS Thread](ProLock_files/Brass-Female-Elbow-Connector-NPS_100x72.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPS
(Inch) |
PSEI612034E |
1/2 |
1/2 |
PSEI612836E |
3/4 |
3/4 |
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Brass Female Drop Ear Elbow — NPT Thread |
![ProLock Brass Female Drop Ear Elbow - NPT Thread](ProLock_files/Brass-Female-Drop-Ear-Elbow-NPT_100x78.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPT
(Inch) |
WBI2024E |
1/2 |
1/2 |
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Flexi Hose — 18 inch Length |
![ProLock Flexi Hose - 18 inch Length](ProLock_files/Flexi-Hose-18-inch_100x81.jpg) |
Part
Number |
Size
CTS
(Inch) |
Size
NPS
(Inch) |
PSFC20N3618E |
1/2 |
3/4 |
PSFC28N3618E |
3/4 |
3/4 |
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Part
Number |
Size
CTS
(Inch) |
Size
CTS
(Inch) |
PSFC28C2818E |
3/4 |
3/4 |
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John Guest Adaptability |
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John Guest fittings can be quickly coupled together to form integral new fittings. |
![John Guest Configuration Example](drink-pg4_files/adapt_2a_flip.gif) |
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See more John Guest products available from SWT. |
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