Are you finding it difficult to open or start your radiator? Don’t worry! In this guide, we will walk you through the steps to help you troubleshoot and successfully open or start your radiator. Let’s get started!

Tools Needed

  • Flathead screwdriver
  • Radiator key or adjustable wrench

Step 1: Locate the Radiator

Before opening or starting your radiator, you need to locate it. Radiators are typically found in rooms, usually mounted on walls, and can often be identified by their distinctive grill design.

Step 2: Ensure the Radiator Valve is Open

Check if the thermostatic radiator valve (TRV) or manual valve is open. TRV valves usually have numbers on them indicating the level of heat output. Make sure it is turned to the highest setting or in the open position if you have a manual valve.

Step 3: Check the Lockshield Valve

Locate the lockshield valve, which is usually found on the opposite side of the radiator from the TRV or manual valve. This valve controls the flow of hot water into the radiator. Use a flathead screwdriver to gently remove the cap, if present.

Step 4: Use the Radiator Key or Wrench

Take your radiator key or adjustable wrench and carefully insert it into the square-shaped bleed valve, which is located on the side of the lockshield valve. Slowly turn the key or wrench counterclockwise to open the valve. You should hear a hissing sound as any trapped air escapes, and water should start to flow into the radiator.

Step 5: Bleeding the Radiator

If there is air trapped inside the radiator, it may prevent it from heating up properly. To bleed the radiator, use the radiator key or a towel-wrapped flathead screwdriver to carefully open the air vent, usually located at the top of the radiator. Keep it open until you start to hear a hissing sound, indicating that all the air has been released.

Step 6: Close the Lockshield Valve

Once water starts flowing into the radiator and all the air has been released, use your radiator key or wrench to close the lockshield valve by turning it clockwise. This will regulate the flow of hot water into the radiator, ensuring optimal heat output.

Step 7: Monitor Your Radiator

After completing the previous steps, allow some time for the radiator to heat up. Monitor its performance and check if it is providing consistent heat. If you still encounter issues, it may be necessary to contact a professional plumber or heating engineer for further assistance.

Opening or starting your radiator shouldn’t be a daunting task. With this step-by-step guide, you now have the knowledge to troubleshoot and solve any issues that may arise. Stay warm and enjoy the comfort of a well-functioning radiator!

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