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Everything I could ever use to maintain our entire home water filtration systems are on your site. Great prices and friendly customer service too.
— S.A.,
Midhurst - ON

John Guest SpeedFit-ProLock

John Guest SpeedFit-ProLock

John Guest® (JG) offers easy to use, plastic push-fit products designed specifically for the plumbing of hot and cold water applications and heating systems. John Guest's flexible piping system provides the ability to reduce installation time without the need for specialty tools.

JG Speedfitpipe size push type fittings can be un-mounted if required, are lead free and discourage scale build up in its pipe inserts.

[+] [–] More About John Guest® Push-in Tube Fittings

Founded in 1961, John Guest® is a family run organization celebrating more than 50 years of innovation, consistency and an absolute commitment to quality.
*recently the company was aquired by the RWC group better known to us all as Sharkbite.

The Water Guy, established in 1989 is a full service company that includes its own warehouse and store front location. You can order direct for us and know that your orders will be handled in a timely fashion.

Our shop and warehouse carry hundreds of specialty fittings that are not yet on our website. If you are looking for a John Guest® Push Fittings, Prolock, SpeedFit pipe fittings, tubing, or accessories that are not found on this page, then please contact us by email or call our office (1-866-489-4004) to speak to one of our water techs today.

NOTE: These JG fittings are regular in-stock items.

Get John Guest® tubing fittings, Prolock and SpeedFit pipe fittings and accessories shipped FAST from our Canadian warehouse to your door. With a Real Water Tech available to assist you with your water project needs.
John Guest SpeedFit-ProLock Categories
Push Type / Tube...
Push Type / Tube Sizes
120 items
Push Type / Pipe...
Push Type / Pipe Sizes
40 items
Reverse Osmosis ...
Reverse Osmosis Replacement Parts
20 items
O-Rings
O-Rings
3 items
Tools
Tools
1 item
Image
SKU
Product
List Price
Price
CI220808W
SKU: CI220808W
Get Rewards: 28.10 Points ! (spends like cash)
SKU: CI220808W

John Guest JG Plug-In Stem Elbow 1/4" Tube x 1/4" Stem White

$295
CI221212W
SKU: CI221212W
Get Rewards: 37.62 Points ! (spends like cash)
SKU: CI221212W

John Guest JG Plug-In Stem Elbow 3/8" Tube x 3/8" Stem White

$395
PI221212S
SKU: PI221212S
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PI221212S

John Guest JG Plug-In Stem Elbow 3/8" Tube x 3/8" Stem Part # PI221212S

$395
PP221212E
SKU: PP221212E
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PP221212E

John Guest JG Plug-In Stem Elbow 3/8" Tube x 3/8" Stem Black

$395
PSEI623638E
SKU: PSEI623638E
Get Rewards: 195.24 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.50
SKU: PSEI623638E
List Price: $22.00
$22.00

ProLock by John Guest Female Adapter 1" CTS Push x 1" FNPT - Black UV Resistant Fitting Specifically designed for Water Filtration Installations... also ideal for plumbing, greenhouses, hydroponics, marine

List Price: $22.00
$2050
On Sale Savings ! Your Savings !
$1.50
PSEI482024E
SKU: PSEI482024E
Get Rewards: 128.57 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.00
SKU: PSEI482024E
List Price: $14.50
$14.50

Prolock by John Guest Male Fixed Elbow 1/2" CTS Push x 1/2" MNPT - Black UV Resistant Fitting Specifically designed for Water Filtration Installations... also ideal for plumbing, greenhouses, hydroponics, marine

List Price: $14.50
$1350
On Sale Savings ! Your Savings !
$1.00
PI301612S
SKU: PI301612S
Get Rewards: 66.19 Points ! (spends like cash)
SKU: PI301612S

JG Reducing Tee 1/2" x 1/2" x 3/8" Tubing by Branch John Guest

$695
CI530808W
SKU: CI530808W
Get Rewards: 37.62 Points ! (spends like cash)
SKU: CI530808W

John Guest Stem Tee, 1/4" Push x 1/4" Push x 1/4" Stem, White, Push/Quick Connect fittings

$395
PP30080812W
SKU: PP30080812W
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PP30080812W

John Guest JG Reducing Tee 1/4" x 3/8" x 1/4" Tubing White, Push/Quick Connect

$495
PEI3028D
SKU: PEI3028D
Get Rewards: 128.57 Points ! (spends like cash)
SKU: PEI3028D

John Guest Speed Fit Reducing Tee 3/4" x 1/2" CTS x 3/4" CTS

$1350
PEI3028A
SKU: PEI3028A
Get Rewards: 128.57 Points ! (spends like cash)
SKU: PEI3028A

John Guest Speed Fit Reducing Tee 3/4" x 3/4" CTS x 1/2" CTS

$1350
PI301208S
SKU: PI301208S
Get Rewards: 56.67 Points ! (spends like cash)
SKU: PI301208S

JG Reducing Tee 3/8" x 3/8" x 1/4" Tubing by Branch John Guest

$595
PP201612E
SKU: PP201612E
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PP201612E

John Guest Reducing Union 1/2" Tube x 3/8" Tube Black UV Resistant Polypropylene Fitting

$495
PI201612S
SKU: PI201612S
Get Rewards: 49.52 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$0.80
SKU: PI201612S
List Price: $6.00
$6.00

John Guest Reducing Union 1/2" Tube x 3/8" Tube, Grey Fitting

List Price: $6.00
$520
On Sale Savings ! Your Savings !
$0.80
PP201208E
SKU: PP201208E
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PP201208E

John Guest Reducing Union 3/8" Tube x 1/4" Tube Black UV Resistant Polypropylene Fitting

$395
PI201208S
SKU: PI201208S
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PI201208S

John Guest Reducing Union Connector 1/4 Tube X 3/8 Tube Grey Part # PI201208S

$395
PI201008S
SKU: PI201008S
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PI201008S

JG Reducing Union Connector 1/4" Tube X 5/16" Tube Grey John Guest

$395
PI201210S
SKU: PI201210S
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PI201210S

JG Reducing Union Connector 3/8" Tube X 5/16" Tube Grey John Guest

$395
PI211612S
SKU: PI211612S
Get Rewards: 51.90 Points ! (spends like cash)
SKU: PI211612S

John Guest Reducing Union Elbow Connector 1/2" Tube X 3/8" Tube Grey Part # PI211612S

$545
PI211208S
SKU: PI211208S
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PI211208S

John Guest Reducing Union Elbow Connector 1/4" Tube X 3/8" Tube Grey Part # PI211208S

$495
PSEISV28EP
SKU: PSEISV28EP
Get Rewards: 300.00 Points ! (spends like cash)
SKU: PSEISV28EP

John Guest Prolock Shut Off Valve in 3/4" CTS Push In/Out - Black

$3150
1/4SCV
SKU: 1/4SCV
Get Rewards: 132.86 Points ! (spends like cash)
SKU: 1/4SCV

John Guest Single JG Check Valve with 1/4" push fittings

$1395
CI480821WSCV
SKU: CI480821WSCV
Get Rewards: 142.38 Points ! (spends like cash)
SKU: CI480821WSCV

John Guest Single Check Valve in a 90/Elbow Male Adapter 1/4" Tube x 1/8" Male NPTF

$1495
CI010821WSCV
SKU: CI010821WSCV
Get Rewards: 119.05 Points ! (spends like cash)
SKU: CI010821WSCV

John Guest Single Check Valve in a Straight Male Adapter 1/4" Tube x 1/8" Male NPTF

$1250
3/8SCV
SKU: 3/8SCV
Get Rewards: 185.71 Points ! (spends like cash)
SKU: 3/8SCV

John Guest Single JG Check Valve with 3/8" push fittings

$1950
PEI532020
SKU: PEI532020
Get Rewards: 90.48 Points ! (spends like cash)
SKU: PEI532020

John Guest SpeedFit Stackable Tee 1/2" x 1/2" x 1/2" CTS Part # PEI532020

$950
CI050822W
SKU: CI050822W
Get Rewards: 18.57 Points ! (spends like cash)
SKU: CI050822W

JG Stem Adapter 1/4" Male Normal Pipe Thread Fine x 1/4" Tube

$195
PP050822E
SKU: PP050822E
Get Rewards: 18.57 Points ! (spends like cash)
SKU: PP050822E

John Guest Stem Adapter 1/4" Stem x 1/4" Thread Black UV Resistant Polypropylene

$195
PP050821E
SKU: PP050821E
Get Rewards: 18.57 Points ! (spends like cash)
SKU: PP050821E

John Guest Stem Adapter 1/4" Stem x 1/8" Thread Black UV Resistant Polypropylene Fitting

$195
CI050821W
SKU: CI050821W
Get Rewards: 18.57 Points ! (spends like cash)
SKU: CI050821W

JG Stem Adapter 1/8" Male Normal Pipe Thread Fine x 1/4" Tube

$195
CI051222W
SKU: CI051222W
Get Rewards: 28.10 Points ! (spends like cash)
SKU: CI051222W

John Guest Stem Adapter 3/8" Stem x 1/4" Thread, White

$295
PP051223E
SKU: PP051223E
Get Rewards: 28.10 Points ! (spends like cash)
SKU: PP051223E

John Guest Stem Adapter 3/8" Stem x 3/8" Thread Black UV Resistant Polypropylene

$295
CI051223W
SKU: CI051223W
Get Rewards: 28.10 Points ! (spends like cash)
SKU: CI051223W

John Guest Stem Adapter 3/8" Stem x 3/8" Thread, White

$295
PI290808S
SKU: PI290808S
Get Rewards: 28.10 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.05
SKU: PI290808S
List Price: $5.00
$5.00

John Guest Stem to Hose Barb Elbow, 1/4" Stem X 1/4" Hose Barb

List Price: $5.00
$295
On Sale Savings ! Your Savings !
$2.05
PI291208S
SKU: PI291208S
Get Rewards: 28.10 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.05
SKU: PI291208S
List Price: $5.00
$5.00

John Guest Stem by Hose Barb Elbow, 3/8" Stem X 1/4" Hose Barb

List Price: $5.00
$295
On Sale Savings ! Your Savings !
$2.05
PI061208S
SKU: PI061208S
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PI061208S

John Guest JG Stem Reducing Adapter 1/4" Tube x 3/8" Stem

$395
PI061612S
SKU: PI061612S
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PI061612S

John Guest JG Stem Reducing Adapter 3/8" Tube x 1/2" Stem

$495
PI091222S
SKU: PI091222S
Get Rewards: 66.19 Points ! (spends like cash)
SKU: PI091222S

John Guest Swivel Elbow Connector 3/8" Tube X 1/4" Male NPTF

$695
PI091221S
SKU: PI091221S
Get Rewards: 66.19 Points ! (spends like cash)
SKU: PI091221S

John Guest Swivel Elbow Connector 3/8" Tube X 1/8" Male NPTF

$695
PI091223S
SKU: PI091223S
Get Rewards: 66.19 Points ! (spends like cash)
SKU: PI091223S

John Guest Swivel Elbow Connector 3/8" Tube X 3/8" Male NPTF

$695
PI101222S
SKU: PI101222S
Get Rewards: 66.19 Points ! (spends like cash)
SKU: PI101222S

John Guest Swivel Tee Connector 3/8" T X 1/4" Male NPTF X 3/8" T

$695
PI101223S
SKU: PI101223S
Get Rewards: 75.71 Points ! (spends like cash)
SKU: PI101223S

John Guest Swivel Tee Connector 3/8" T X 3/8" Male NPTF X 3/8" T

$795
PPSV500822W
SKU: PPSV500822W
Get Rewards: 94.76 Points ! (spends like cash)
SKU: PPSV500822W

John Guest Tank Ball Valve Adapter 1/4" tube push fitting by 1/4" Female NPTF Part # PPSV500822W

$995
PPSV501222W
SKU: PPSV501222W
Get Rewards: 94.76 Points ! (spends like cash)
SKU: PPSV501222W

John Guest Tank Ball Valve Adapter 3/8" tube push fitting by 1/4" Female NPTF Part # PPSV501222W

$995
PI491616S
SKU: PI491616S
Get Rewards: 128.57 Points ! (spends like cash)
SKU: PI491616S

JG Three Way Divider 1/2" Inlet and 1/2" Outlet Tubing

$1350
PI2308S
SKU: PI2308S
Get Rewards: 56.67 Points ! (spends like cash)
SKU: PI2308S

John Guest Two Way Divider 1/4" Inlet and 1/4" Outlet Tubing

$595
PI2312S
SKU: PI2312S
Get Rewards: 59.52 Points ! (spends like cash)
SKU: PI2312S

John Guest Two Way Divider 3/8" Inlet and 3/8" Outlet Tubing

$625
PEI0336E
SKU: PEI0336E
Get Rewards: 195.24 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$4.50
SKU: PEI0336E
List Price: $25.00
$25.00

John Guest SpeedFit JG Union 90/Elbow Connector 1" CTS - Black Part # PEI0336E New UV & Chemical Resistant black fittings, specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics

List Price: $25.00
$2050
On Sale Savings ! Your Savings !
$4.50
PEI0328E
SKU: PEI0328E
Get Rewards: 119.05 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.00
SKU: PEI0328E
List Price: $13.50
$13.50

John Guest SpeedFit Union 90/Elbow Connector 3/4" CTS - Black Part # PEI0328E New UV Resistant black fittings, specifically designed for Water Filtration/Softener Installs... also ideal for plumbing, greenhouses, hydroponics, marine

List Price: $13.50
$1250
On Sale Savings ! Your Savings !
$1.00
PEI0436E
SKU: PEI0436E
Get Rewards: 185.71 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.50
SKU: PEI0436E
List Price: $22.00
$22.00

John Guest SpeedFit Union Connector 1" CTS - Black Part # PEI0436E New UV & Chemical Resistant black fittings, specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics, marine applications

List Price: $22.00
$1950
On Sale Savings ! Your Savings !
$2.50
PI0416S
SKU: PI0416S
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PI0416S

John Guest JG Union Connector 1/2" Tube X 1/2" Tube Grey

$495
PP0416W
SKU: PP0416W
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PP0416W

John Guest JG Union Connector 1/2" Tube X 1/2" Tube White Part # PP0416W

$495
PP0408E
SKU: PP0408E
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PP0408E

John Guest Union Connector 1/4" Tube x 1/4" Tube Black UV Resistant Polypropylene Fitting

$395
CI0408W
SKU: CI0408W
Get Rewards: 37.62 Points ! (spends like cash)
SKU: CI0408W

John Guest JG Union Connector 1/4" Tube X 1/4" Tube White Part # CI0408W

$395
PEI0428E
SKU: PEI0428E
Get Rewards: 85.24 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.55
SKU: PEI0428E
List Price: $10.50
$10.50

John Guest SpeedFit Union Connector 3/4" CTS - Black Part # PEI0428E New UV Resistant black fittings, specifically designed for Water Filtration/Softener Installs... also ideal for plumbing, greenhouses, hydroponics, marine

List Price: $10.50
$895
On Sale Savings ! Your Savings !
$1.55
PI0412S
SKU: PI0412S
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PI0412S

John Guest JG Union Connector 3/8" Tube X 3/8 Tube Grey Part # PI0412S

$395
PP0412E
SKU: PP0412E
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PP0412E

John Guest Union Connector 3/8" Tube x 3/8" Tube Black UV Resistant Polypropylene Fitting

$395
CI0412W
SKU: CI0412W
Get Rewards: 37.62 Points ! (spends like cash)
SKU: CI0412W

John Guest JG Union Connector 3/8" Tube X 3/8" Tube White Part # CI0412W

$395
PEI0420
SKU: PEI0420
Get Rewards: 66.19 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$0.55
SKU: PEI0420
List Price: $7.50
$7.50

SpeedFit by John Guest JG Union Coupler 1/2" CTS Push x 1/2" CTS Push - White Fitting Part # PEI0420 Specifically designed for Water Filtration Installations... also ideal for plumbing, greenhouses, hydroponics, marine...

List Price: $7.50
$695
On Sale Savings ! Your Savings !
$0.55
PI0316S
SKU: PI0316S
Get Rewards: 47.14 Points ! (spends like cash)
SKU: PI0316S

John Guest JG Union Elbow/ Equal Elbow 1/2" Tube Grey

$495
PP0308E
SKU: PP0308E
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PP0308E

John Guest Union Elbow 1/4" Tube Black UV Resistant Polypropylene Fitting

$395
CI0308W
SKU: CI0308W
Get Rewards: 37.62 Points ! (spends like cash)
SKU: CI0308W

John Guest JG Union Elbow/ Equal Elbow 1/4" Tube White Acetal Part # CI0308W

$395
PP0312E
SKU: PP0312E
Get Rewards: 40.48 Points ! (spends like cash)
SKU: PP0312E

John Guest Union Elbow 3/8" Tube Black UV Resistant Polypropylene Fitting

$425
CI0312W
SKU: CI0312W
Get Rewards: 40.48 Points ! (spends like cash)
SKU: CI0312W

John Guest JG Union Elbow/ Equal Elbow 3/8" Tube White Acetal

$425
PEI0320
SKU: PEI0320
Get Rewards: 85.24 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$0.55
SKU: PEI0320
List Price: $9.50
$9.50

John Guest Speedfit Union Elbow/90 Coupler 1/2" CTS Push x 1/2" CTS Push Fitting - White Part # PEI0320 - Specifically designed for Water Filtration Installations... also ideal for plumbing, greenhouses, hydroponics, marine...

List Price: $9.50
$895
On Sale Savings ! Your Savings !
$0.55
PEI203628E
SKU: PEI203628E
Get Rewards: 147.62 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.50
SKU: PEI203628E
List Price: $18.00
$18.00

John Guest SpeedFit JG Union Coupler Connector 3/4" CTS x 1" CTS - Black Part # PEI203628E New UV & Chemical Resistant black fittings, specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics, ma

List Price: $18.00
$1550
On Sale Savings ! Your Savings !
$2.50
PSEISV20P
SKU: PSEISV20P
Get Rewards: 185.71 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.00
SKU: PSEISV20P
List Price: $21.50
$21.50

John Guest Speedfit JG Union Shut Off Valve 1/2" CTS Push In/Out - White Part # PSEISV20P - Specifically designed for Water Filtration Installations... also ideal for plumbing, greenhouses, hydroponics, marine...

List Price: $21.50
$1950
On Sale Savings ! Your Savings !
$2.00
PEI223636E
SKU: PEI223636E
Get Rewards: 166.67 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.50
SKU: PEI223636E
List Price: $19.00
$19.00

John Guest SpeedFit JG Union Stem Plug-In Elbow Connector 1" CTS - Black Part # PEI223636E New UV & Chemical Resistant black fittings, specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics

List Price: $19.00
$1750
On Sale Savings ! Your Savings !
$1.50
PEI222020
SKU: PEI222020
Get Rewards: 66.19 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.05
SKU: PEI222020
List Price: $9.00
$9.00

John Guest SpeedFit JG Union Stem Plug-In Elbow Connector 1/2" CTS - in White, Specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics

List Price: $9.00
$695
On Sale Savings ! Your Savings !
$2.05
PEI222828E
SKU: PEI222828E
Get Rewards: 85.24 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$3.05
SKU: PEI222828E
List Price: $12.00
$12.00

John Guest SpeedFit JG Union Stem Plug-In Elbow Connector 3/4" CTS - Black Part # PEI222828E New UV & Chemical Resistant black fittings, specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics

List Price: $12.00
$895
On Sale Savings ! Your Savings !
$3.05
PEI222828
SKU: PEI222828
Get Rewards: 85.24 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.05
SKU: PEI222828
List Price: $10.00
$10.00

John Guest SpeedFit JG Union Stem Plug-In Elbow Connector 3/4" CTS - in White, Specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics

List Price: $10.00
$895
On Sale Savings ! Your Savings !
$1.05
PI0216S
SKU: PI0216S
Get Rewards: 66.19 Points ! (spends like cash)
SKU: PI0216S

John Guest JG Union Tee 1/2" x 1/2" x 1/2" Tubing Grey

$695
PP0208E
SKU: PP0208E
Get Rewards: 33.33 Points ! (spends like cash)
SKU: PP0208E

John Guest Union Tee 1/4" Tube Black UV Resistant Polypropylene

$350
CI0208W
SKU: CI0208W
Get Rewards: 33.33 Points ! (spends like cash)
SKU: CI0208W

John Guest JG Union Tee 1/4" x 1/4" x 1/4" Tubing White

$350
PP0212E
SKU: PP0212E
Get Rewards: 37.62 Points ! (spends like cash)
SKU: PP0212E

John Guest Union Tee 3/8" Tube Black UV Resistant Polypropylene

$395
CI0212W
SKU: CI0212W
Get Rewards: 37.62 Points ! (spends like cash)
SKU: CI0212W

JG Union Tee 3/8" x 3/8" x 3/8" Tubing White

$395
PEI0236E
SKU: PEI0236E
Get Rewards: 252.38 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.50
SKU: PEI0236E
List Price: $29.00
$29.00

John Guest JG Union Tee Connector 1" CTS - Black Part # PEI0236E New UV & Chemical Resistant black fittings, specifically designed for Water Treatment Installations, also ideal for general plumbing, greenhouses, hydroponics

List Price: $29.00
$2650
On Sale Savings ! Your Savings !
$2.50
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