Can I use this for a washing machine installation?

You can do, but there are rather obtrusive. The washing machine supply rairly needs to be turned off, and there are much smaller on / off valves specifically designed for washing machines.

Can it be used as a mains stopcock

I am not a heating engineer, I am an electrical / instrument engineer with a lot of mechanical experience and worked in the water industry. I have asked several plumbers /heating engineers the same question and looked online. Generally they say that it cannot replace a stopcock and would break regulations. However, they cannot find the actual regulation to support their claims. If space permits you can install this type of ball valve on the house side of the main stopcock. This is what I am going to do and then the water supply can be easily turned on and off with a quarter turn of the handle. I am told the main stopcock will always leak if turned on and off regularly as they are not designed for this. I have 3 neighbours whose properties have flooded when they went away because they did not isolate the water supply. I turn the water off when I go away. Hope this helps.

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Pipestation 15mm Isolation Valve, 1 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included

Pipestation 15mm Isolation Valve, 1 Pack with Red & Blue Handle - Lever Compression Fitting Shut Off Iso Valve - WRAS Approved - Large Bore for Increased Flow - Compression Olives Included

Product ID: 330705270

Details

Brand
Pipestation
Exterior finish
Brass
Inlet connection size
15 Millimeters
Inlet connection type
Compression
Material
Brass
Number of Packs
1

💧15mm large bore for max flow

⚙️1/4 turn lever for quick operation

🔴🔵Red & blue handles for easy hot/cold ID

RM124

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚰 Turn it fast, flow it smooth — the valve that keeps you ahead of the curve!

EFFORTLESS CONTROL - Quarter-turn lever design means no tools needed—fast water isolation in seconds.
WRAS APPROVED QUALITY - Certified safe for all heating & water systems, ensuring peace of mind.
COLOR CODED CONVENIENCE - Red and blue handles simplify hot and cold water identification for seamless maintenance.
COMPLETE INSTALLATION KIT - Includes compression olives and valve—everything you need in one pack.
OPTIMIZED FLOW PERFORMANCE - Full bore valve maximizes water flow, boosting system efficiency.

The Pipestation 15mm Isolation Valve is a WRAS-approved brass ball valve designed for both hot and cold water systems. Featuring a large bore for optimized flow, quick 1/4 turn lever operation, and color-coded red and blue handles, it offers professional-grade reliability and convenience. Complete with compression olives, this valve ensures leak-free, efficient water isolation and easy installation.

Specifications

ASIN	B097C6WWJD
Best Sellers Rank	23,408 in DIY & Tools ( See Top 100 in DIY & Tools ) 14 in Tap Valves
Brand	Pipestation
Connector Type	Compression
Country of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (803)
Exterior Finish	Brass
Global Trade Identification Number	50607887501726
Inlet Connection Size	15 Millimeters
Inlet Connection Type	Compression
Manufacturer	Pipestation
Material	Brass
Model Number	50607887501726
Number of Items	1
Number of Packs	1
Number of Pieces	1
Number of Ports	1
Outlet Connection Size	15 Millimeters
Outlet Connection Type	Compression
Set Name	Single
Size	1 Pack
Specification Met	WRAS
Thread Size	15mm
Thread Type	BSP
Unit Count	6.0 count
Valve Type	Ball Valve

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