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B&Q£26.35Visit shop B&Q - Thermostatic Radiator Valve Set Trv Corner With Lockshield 15mmModern Style Silver Nickel Stirling Bold
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Amazon£27.95Visit shop UK Radiators Thermostatic Radiator Valve 1/2" x 15mm - Derry Bold TRV | Chrome Finish - Solid Brass 1/2" x 15mm Corner - Lockshield Included, Easy Installation
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The UK Radiators Derry Bold thermostatic radiator valve and lockshield kit is designed for homeowners and DIY enthusiasts looking to upgrade their heating control with a refined, brushed silver aesthetic. It provides precise temperature management and a polished look for your radiator setup, though users should ensure they are comfortable with basic plumbing tasks or prepared to hire a professional for installation.
| Colour | Silver |
|---|---|
| Model Part Number | 1431644 |
| Brand | UK Radiators |
No, this specific model is designed for 15mm pipework.
If you are confident in draining and refilling a central heating system, it is possible; otherwise, professional installation is recommended.
The lockshield is used to balance the flow of water through the radiator, ensuring the entire system heats up evenly.
The brushed silver finish is durable, but it should be kept dry and cleaned with a soft cloth to maintain its appearance.
It is compatible with all radiators featuring standard 1/2 inch BSP connections.
Ensure the thermostatic head is set to a high enough number and that the system has been properly bled of trapped air.
Check that the connections are tight and that sufficient PTFE tape or jointing compound was used on the threads during installation.
Verify that the valve is correctly installed in the flow or return pipe according to manufacturer guidelines.
Installation of the Derry Bold kit requires draining your central heating system. Ensure that you have the necessary tools, such as an adjustable wrench and PTFE tape, before beginning. The valve connects directly to standard 15mm pipework and is compatible with all radiators utilizing 1/2 inch BSP connections. To maintain the brushed silver finish, wipe the valves periodically with a soft, dry cloth. Avoid using harsh chemical cleaners or abrasive sponges, as these can damage the finish and cause the metal to lose its luster. Periodically check that the valve head rotates freely to ensure the internal thermostat remains responsive.
