Skip to product information
1 of 5

Securplumb

Securplumb Brass Air Vent Key

Securplumb Brass Air Vent Key

SKU:106497

Regular price £1.32 GBP
Regular price Sale price £1.32 GBP
Sale Sold out
Tax included. Shipping calculated at checkout.

In stock

  • Free shipping for orders over £100. See shipping policy for restrictions

Shipping

Free delivery for orders over £100 within UK mainland. This does not apply to large products (such as those above 1m of length), heavy products (including aggregates, compost and wood logs) and fragile products (such as ceramics, shower enclosures etc.). See shipping policy for restrictions. 
Free local delivery above £50 and £5 charge for delivery under £50 within a 3 mile radius and £7 up to 6 mile radius.  
Standard Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
  • Lighter items (under 1kg) - £4 and free for orders over £100
  • Smaller items (1 - 10kg) - £7 and free for orders over £100
  • Larger items (10kg - 30kg) - £15 and free for orders over £350
  • Bulky items (30kg and above) - £35 with minimum order value of £100
Express Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
  • Lighter items (under 1kg) - £7 and free for orders over £100
  • Smaller items (1 - 10kg) - £10 and free for orders over £100
  • Larger items (10kg - 30kg) - £20 and free for orders over £350
Standard Shipping (Northern Ireland and Scottish Islands & Highlands) 2 to 7 business days
  • Lighter items (under 1kg) - £7
  • Smaller items (1 - 10kg) - £15
  • Larger items (10kg - 30kg) - £25
  • Bulky items (30kg and above) - £35 with minimum order value of £100

Returns

View full details

Securplumb Brass Air Vent Key

Product Overview:

The Securplumb Brass Air Vent Key is a high-quality tool specifically designed for bleeding air from radiator systems, ensuring optimal heating efficiency and comfort. Manufactured from durable solid brass, this vent key is engineered to offer a strong grip, corrosion resistance, and long-term reliability.

Small but essential, this tool fits standard radiator bleed valves and allows users to safely release trapped air that can cause cold spots, reduce heating performance, and increase energy consumption. Its compact, lightweight design makes it a convenient addition to any toolbox, whether for professional plumbers or homeowners performing routine radiator maintenance.


Product Specifications:

  • Product Type: Radiator air vent key

  • Material: Solid brass

  • Boxed Weight: 10g

  • Compatible With: Standard square radiator bleed valves

  • Finish: Natural brass

  • Usage: Manual release of air from radiators


Key Features:

  • Solid Brass Construction: Offers excellent durability and corrosion resistance for long-term use

  • Precision Fit: Designed to fit most standard radiator bleed valves in the UK

  • Easy to Use: Manual operation with a secure grip and smooth turning action

  • Corrosion-Resistant Finish: Suitable for use in damp or high-humidity environments such as boiler rooms

  • Compact Design: Lightweight and small enough to store in a tool pouch, drawer, or on a keychain


Typical Applications:

  • Bleeding air from domestic radiators and towel rails

  • Regular radiator maintenance to ensure efficient heating

  • Use by professional heating engineers or DIY homeowners

  • Preventing cold spots and uneven heating caused by trapped air

  • Releasing pressure safely from radiators during system servicing


How to Use:

  1. Turn Off Heating: Ensure your central heating system is turned off and radiators have cooled.

  2. Locate the Bleed Valve: Usually found at the top of the radiator.

  3. Insert the Key: Place the square hole of the brass vent key over the bleed valve.

  4. Turn Counterclockwise: Slowly turn the key until you hear air hissing.

  5. Wait for Water: When water starts to escape steadily, turn the key clockwise to close the valve.

  6. Check Pressure: After bleeding, check your boiler's pressure gauge and top up if necessary.

Note: Always have a cloth or small container handy to catch any escaping water.


Care & Maintenance:

  • Wipe clean after use to remove any residual water or debris

  • Store in a dry place to prevent corrosion over extended periods

  • Avoid excessive force to prevent damaging bleed valves

  • Replace if the key shows signs of rounding or wear


Frequently Asked Questions (FAQ):

Q1: Will this key fit all radiator types?
It fits most standard square radiator bleed valves commonly used in UK heating systems. Double-check compatibility for designer or imported radiators.

Q2: Can it be used on towel radiators?
Yes, as long as the towel radiator has a standard bleed valve.

Q3: Is this better than plastic radiator keys?
Yes, brass keys are significantly more durable and resistant to wear or stripping.

Q4: Do I need special tools to use this?
No, this is a standalone tool that can be used by hand without additional tools.


Conclusion:

The Securplumb Brass Air Vent Key is a vital tool for maintaining heating system performance. Whether you're a tradesperson, landlord, or homeowner, this durable, easy-to-use key ensures safe and efficient radiator bleeding—eliminating air pockets and maximizing heating efficiency. Compact, lightweight, and built to last, it’s the perfect addition to any toolkit.