Will they hold under the pressure once the water is back on and running??

Definately! I was greatly impressed how they work. I was doing a shower room refit and these little wonders were dripfree on mains cold and mprmal hot feed for over 3 months. They real do work - just make sure your pipes are smooth and clean (no paint residue etc).

Can I use this on a 15mm water inlet on a campervan as a dust cap? I’ll need to remove it regularly. The inlet is like a hose tap fitting but smaller

When l bought mine l intended to use it as a end stop on a 15mm water pipe on a static caravan and although my pipe was copper and it works perfectly well l can't say if it would work in your situation they do work on 15mm plastic all l can say is try it and see they are cheap enough to buy even if you only buy one the only way to find out is to buy and try good luck with that

What size piping needed

Hi Robert. These for 15mm pipe. Suitable for Speedfit and also copper pipe. We stock the full range of Speedfit so if you need anymore info, please get in touch:-) Paul MacDonald MacDonald Plumbing Supplies

Jg Speedfit 15mm Stop Ends Pse4615w Push Fit End Caps

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🚀 Upgrade Your Plumbing Game with Speedfit!

LIGHTWEIGHT DESIGN - Weighing in at just 20 grams, it's the featherweight champion of plumbing.
DURABLE CONSTRUCTION - Crafted from high-quality plastic for long-lasting performance.
TEMPERATURE RESILIENCE - Engineered to handle both hot and cold water with ease.
TIME SAVING EFFICIENCY - Cut down on installation time—no specialist tools required!
EFFORTLESS INSTALLATION - Transform your plumbing game with a simple push-fit design.

The John Guest JG Speedfit 5X Stop End 15mm is a revolutionary push-fit plumbing solution designed for both hot and cold water systems. Weighing only 20 grams and made from durable plastic, this product promises quick installation without the need for specialized tools, making it a must-have for any modern plumbing project.

Specifications

ASIN	B0123PBZXA
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	98,662 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 167 in Pipe Fitting Caps
Colour	White
Customer Reviews	4.7 4.7 out of 5 stars (351)
Date First Available	20 July 2015
Guaranteed software updates until	unknown
Item Package Quantity	1
Item Weight	18.1 g
Manufacturer	John Guest
Manufacturer reference	PSE4615W
Material	Plastic
Number of Pieces	5
Package Dimensions	12.3 x 10.9 x 2.8 cm; 18.14 g
Part Number	PSE4615W
Wattage	200 KW

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