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 JG Speedfit PPSV040808WP 1/4-Inch by 1/4-Inch OD Valve Start

Product ID: 340302020

Details

Brand
John Guest
Colour
Blue/White
Item dimensions L x W x H
13 x 38 x 51
Material
Polypropylene
Size
1/4 in.

💧Food-grade EPDM O-rings

🔧Tool-free twist-lock install

🛡️150 PSI pressure rating

¥5682

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔩 Upgrade your plumbing game with the valve pros trust!

LEAK FREE CONFIDENCE - Approved for behind-the-wall permanent installations—no leaks, no fuss.
COMPACT LIGHTWEIGHT - Sleek 1/4-inch size with durable polypropylene construction fits seamlessly anywhere.
EFFORTLESS INSTALLATION - Twist-and-lock design means no tools, glue, or soldering—get it done in seconds.
HIGH PRESSURE PERFORMANCE - Rated for up to 150 PSI at 70°F, built to handle demanding plumbing needs.
CERTIFIED SAFETY DURABILITY - NSF 61 & 51 certified with food-grade O-rings for worry-free potable water use.

The John Guest JG Speedfit PPSV040808WP is a compact, tool-free shut-off valve made from durable polypropylene with food-grade EPDM O-rings. Certified for potable water use and rated up to 150 PSI, it ensures a leak-free, permanent connection ideal for behind-the-wall plumbing applications.

Specifications

ASIN	B003YKF2E2
ASIN	B003YKF2E2
Brand Name	John Guest
Color	Blue/White
Connector Type	Quick-Connect
Customer Reviews	4.7 4.7 out of 5 stars (836)
Customer reviews	4.7 4.7 out of 5 stars (836)
Date First Available	1 January 2024
Exterior Finish	Copper
Global Trade Identification Number	00665626110672, 00665626120312
Included Components	Valve
Is Discontinued By Manufacturer	No
Item Dimensions	13 x 38 x 51 millimeters
Item Type Name	Plastic Push Shut Off Valve
Item Weight	0.01 Ounces
Item model number	PPSV040808WP
Manufacturer	Cash Acme
Manufacturer	Cash Acme
Manufacturer Part Number	PPSV040808WP
Material Type	Polypropylene
Model Number	PPSV040808WP
Number of Packs	1
Number of Pieces	1
Product Dimensions	1.27 x 3.81 x 5.08 cm; 0.28 g
Size	1/4 in.
Thread Size	0.25 inch
Thread Type	NPT
UPC	726670193995 665626164996 784497761803 665626076015 665626120329 673090267594 665626120312 665626110672
Unit Count	1 Count

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