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Professional Building Supplies£12.41Visit shop Primaflow Water Main Stopcock Key
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B&Q£45.44Visit shop B&Q - Silver Water Mains Key 0.5" Box Head
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The Primaflow Water Main Stopcock Key is an essential tool for homeowners and plumbers who need to access external stopcocks located deep within service chambers. It allows for the safe and efficient operation of water supply valves without the need for physical entry into confined spaces, offering a durable steel solution for turning stubborn or seized valves. While its specialized 1/2 inch box head is designed specifically for standard square valve spindles, users should verify their spindle size before use, as it may not fit non-standard or larger industrial valves.
| Model Part Number | 0.5 |
|---|---|
| Brand | Primaflow |
It is designed to fit the standard 1/2 inch square spindle found on most residential stopcocks, but it will not fit round handwheel-type valves.
No, the shaft is a solid, single-piece steel construction for maximum durability and leverage.
While it can turn indoor valves, its 1050mm length makes it impractical for most indoor under-sink locations.
If the square spindle head is rounded or heavily corroded, this tool may not be able to grip it securely, and professional intervention may be required.
The tool is made from durable steel; while it is robust, it should be wiped down and stored in a dry place to prevent surface rust over time.
Ensure the service chamber is clear of debris so the box head can fully engage with the square spindle head.
Do not force it aggressively; apply penetrating oil to the valve mechanism and allow it to soak before trying again with steady pressure.
No assembly is required for this tool; it is ready to use immediately. Before attempting to turn a valve, ensure the box head is fully seated over the square spindle to prevent rounding off the metal.
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