How do you install it to get it watertight? Looked for youtube videos - no luck!

The fitting itself is watertight. If its not, its defective. Once you push the pipe into this fitting you will feel it "pop" or "slip" into the seat where it becomes watertight. If its sitting right, you should not be able to pull this pipe out, nor should there be any leakage from it.

Can you control the speed of water flow through this valve?

I don't see why not. For my use, it's only open or closed. You would actually be controlling the amount of flow not the speed.

Does this value have or require a california proposition 65 warning for california residents? thanks!

Prop65 applies to any material, the warning is required even if a trace amount of over 1000 substances from the Prop65 list maybe present. We have the warning on our bags to comply with the requirement of the Prop65 regulation for “clear and reasonable” warning.

Does this work with 1/4 in drip irrigation tubing?

I used it with a 1/4" pex line for a fridge filter not totally sure about the irrigation line, you can try it out for a test before installing to be sure. A good sharp tubing cutter will help for a better seal and fit. Good Luck

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John Guest PPSV041212WP Plastic Push Shut Off Valve, 3/8 in. Tube OD, White

John Guest PPSV041212WP Plastic Push Shut Off Valve, 3/8 in. Tube OD, White

Product ID: 10542975

Details

Brand
John Guest
Color
White
Connector Type
3/8OD x 3/8OD
Exterior Finish
Plastic
Item Weight
29 g
Item dimensions L x W x H
3.15 x 1.57 x

💧Food-grade EPDM O-rings

🔥150 PSI cold / 60 PSI hot rating

🔧Tool-free twist-lock install

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Description

🚰 Twist, Lock, and Flow—Upgrade Your Plumbing Game Instantly!

BUILT TO LAST - Polypropylene body delivers chemical resistance and durability for behind-the-wall peace of mind.
PRESSURE READY - Handles up to 150 PSI at 70°F and 60 PSI at 140°F—reliable under real-world water pressures.
CERTIFIED FOOD SAFE - NSF 61 & 51 approved with premium EPDM seals, perfect for potable water and kitchen use.
PRO GRADE RELIABILITY - Trusted by professionals for leak-free, permanent shut-off solutions in residential plumbing.
EFFORTLESS INSTALLATION - Twist-and-lock design means zero tools, glue, or soldering—get it done in seconds.

The John Guest PPSV041212WP is a high-quality, white polypropylene push-to-connect shut-off valve designed for 3/8 inch OD tubing. Featuring food-grade EPDM O-rings and NSF 61/51 certification, it ensures safe use with potable water. Its innovative twist-and-lock mechanism enables quick, tool-free installation, while its durable construction withstands pressures up to 150 PSI at 70°F. Ideal for behind-the-wall plumbing, this valve offers a leak-free, professional-grade solution favored by both DIYers and pros.

Specifications

ASIN	B003YKF2F6
Best Sellers Rank	#14,608 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #91 in Push-to-Connect Fittings
Brand Name	John Guest
Color	White
Connector Type	3/8OD x 3/8OD STRGHT VLV
Customer Reviews	4.7 4.7 out of 5 stars (1,321)
Exterior Finish	Plastic
Global Trade Identification Number	00665626120381
Included Components	Valve
Item Dimensions	3.15 x 1.57 x 5.91 inches
Item Highlight	White, Plastic Push Shut Off Valve, 3/8 in Tube OD, Water Line Control Valve
Item Type Name	Plastic Push Shut Off Valve
Item Weight	29 g
Manufacturer	Reliance Worldwide Corporation
Manufacturer Part Number	PPSV041212WP
Manufacturer Warranty Description	12 Months against workmanship or material defects. Product replacement
Material Type	polyprolylene
Model Number	PPSV041212WP
Number of Pieces	1
Size	3/8 in. Tube OD
Thread Size	0.375 inch
Thread Type	NPTF
UPC	665626120381
Unit Count	1 Count

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251 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Morocco.

Secure transaction

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