Draper Radiator Keys - Brass

Draper Radiator Keys are designed for use on domestic radiator bleed screws. This brass butterfly ...

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Product Information

Full details

This guide is for homeowners and DIY enthusiasts who need to bleed their radiators. Draper Radiator Keys offer a simple and effective way to remove trapped air, improving heating efficiency. Note that these keys are designed for standard radiator bleed screws and may not fit all models.

All features

Model Part Number73965
BrandDraper

Extended Product Information

FAQs

How do I know if my radiator needs bleeding?

If your radiator is cold at the top and warm at the bottom, it likely has trapped air and needs bleeding.

How do I use the Draper Radiator Key?

Insert the key into the bleed screw and slowly turn it counter-clockwise until you hear a hissing sound. Once water starts to come out, close the valve.

How often should I bleed my radiators?

It depends on your system, but typically once or twice a year, or when you notice cold spots in your radiators.

What should I do if water comes out when I bleed my radiator?

Once water comes out, close the valve. This indicates that all the air has been released.

Can I overtighten the bleed screw?

Yes, avoid overtightening. Just tighten it enough to stop any water leaks.

Where can I find the bleed screw on my radiator?

The bleed screw is usually located on the top or side of the radiator.

What if I lose the key?

You can purchase replacement keys, as they are a standard size.

Are the keys suitable for all radiator types?

No, they are suitable for standard square bleed screws. Check your radiator's bleed screw before using this key.

Troubleshooting

Key doesn't fit the bleed screw.

Check the shape and size of the bleed screw. Draper Radiator Keys are designed for square openings. If the screw is a different shape, this key will not work.

Key is difficult to turn.

Apply gentle pressure. If the screw is stuck, try using a penetrating oil or lubricant. Do not force the key, as you could damage the valve.

Pros and Cons

Pros

  • Easy to use for anyone.
  • Improves radiator efficiency.
  • Durable brass construction.
  • Comfortable grip design.
  • Comes in a convenient pack of two.
  • Guaranteed product quality.

Cons

  • May not fit all radiator models.
  • Requires knowledge of radiator bleeding.
  • Can be lost easily due to small size.

Setup, Compatibility & Care

Setup: Simply take the key out of the package, and it is ready to use.

Compatibility: The Draper Radiator Keys are designed for use with most domestic radiators that have standard square bleed screws.

Care: After use, wipe the key clean and store it in a safe place. Avoid excessive force when turning the key to prevent damage to the bleed screw.