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How to bleed your Radiators

A quick how guide on how to bleed your Radiators. If you've noticed that some of your radiators are not heating up as well as others, it might be time to bleed them. Bleeding radiators is a simple but effective way to remove trapped air, allowing hot water to circulate freely and warm up your living space evenly. Follow these easy steps to bleed your radiators and keep your heating system in top shape.

Here is what you will need

  1. Radiator key or flathead screwdriver

  2. Cloth / bucket

Step 1: Turn off the Heating System

Before you begin bleeding your radiators, its very important to turn off your heating system! This ensures the water is not scalding hot ! Allow time for it to cool down

Step 2: Identify which radiators need bleeding

Walk around your home and check each radiator individually. Feel the top and bottom of each radiator to identify if there are cold spots. Cold spots usually indicate trapped air, meaning its time to bleed that radiator.

Step 3: Have your Cloth and Bucket to hand

Place towels or a bucket under the radiator your bleeding to catch any water that may escape during the bleeding process(Just use both no one wants a mess)

Step 4: Locate the Bleed Valve

The bleed valve is a small, square shaped nut located on one end o the radiator. You can use the radiator key or a flathead screwdriver to open the valve.

Step 5: Bleeding the Radiator

So insert the radiator key into valve and turn it anti clock wise. You should hear a hissing sound as the trapped air escapes. Keep turning the key until water starts to come out steadily, this just indicates that all the air has been released. Water could still be hot so be cautious when doing this.

Step 6: Close the Bleed Valve

Once the water flows consistently without any air bubbles, close the bleed valve by turning the key clockwise. Make sure its snug but not overly tight to avoid damage.

Step 7: Repeat as Necessary

Repeat the process for any other radiators that need it. Top tip when bleeding multiple radiators start with the one furthest from the boiler. Turn your heating back on and check the radiators are now heating properly.

Bleeding your Radiators is a simple but effective way keep your heating system operating efficiently and you can easily Do It Yourself. I hope this was helpful .

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