Grant Oil Isolation Valve 3/8" X 10Mm Straight

Grant Oil Isolation Valve 3/8" X 10Mm Straight

Grant Oil Isolation Valve 3/8" x 10mm Straight – GOIL09

Genuine Straight Oil Shut-Off Valve for Grant Oil-Fired Heating Systems

The Grant GOIL09 Oil Isolation Valve is a genuine, high-quality straight shut-off valve designed for use in Grant oil-fired boilers. With a 3/8" BSP male x 10mm compression connection, this valve provides a secure, regulation-compliant connection between the fuel supply line and the boiler or burner assembly.

Ideal for both servicing and installation, this straight isolation valve allows for quick, manual shut-off of the oil supply for maintenance, safety checks, or burner replacement—making it an essential part of any oil heating setup.

 Key Features & Benefits

• Official Grant Part – GOIL09
  Manufactured to Grant's exact specifications for guaranteed fit and reliability with their heating systems.

• Straight Connection – 3/8" BSP x 10mm
  Designed for direct, in-line installation with copper oil lines and standard burner inlets.

• Manual Quarter-Turn Shut-Off
  Allows fast isolation of the oil supply during maintenance or emergencies.

• Solid Brass Construction
  Durable, corrosion-resistant, and suitable for constant exposure to oil and outdoor environments.

• Leak-Free Compression Fit
  Ensures a tight seal with copper oil pipework, reducing the risk of fuel seepage or air ingress.

• WRAS-Compliant Design
  Engineered to meet industry safety standards for heating oil installations.

 Compatible Grant Boiler Models

The GOIL09 Oil Valve is suitable for a wide range of Grant oil-fired boilers, including:

• Grant Vortex Utility (internal and external models)

• Grant Vortex Pro and Eco ranges

• Grant Euroflame

• Grant Vortex Combi and Combi Pro

• Suitable for any boiler system using 10mm oil lines with a 3/8" BSP male connection

If you're unsure whether this valve fits your boiler setup, contact our expert team with your boiler model or installation details—we’re happy to help!

 When Should You Replace the Oil Isolation Valve?

Replace the oil valve if:

• The existing valve is leaking, seized, or stiff to operate

• You’re performing a burner service or oil line replacement

• The valve fails to shut off oil flow completely

• The installation is being brought up to current safety standards

A fully functional isolation valve is critical for safe servicing and boiler operation—regular inspection and timely replacement are essential.

  Technical Specifications

• Part Number: GOIL09

• Manufacturer: Grant UK

• Type: Manual shut-off valve (straight pattern)

• Material: Solid brass body with quarter-turn handle

• Inlet Connection: 3/8" BSP male

• Outlet Connection: 10mm compression fitting

• Application: Oil-fired heating systems (burner isolation)

• Operation: Manual quarter-turn shut-off

• Mounting: In-line installation within oil line