Rain Bird VB-STD-6EXT-B standard valve box extension - 17.2 cm height - body only

Rain Bird VB-STD-6EXT-B extension for standard valve boxes

The Rain Bird VB-STD-6EXT-B is a durable rectangular extension designed for Rain Bird standard valve boxes. It provides additional installation depth for irrigation valves, manifolds and pipe connections located further below ground level. With an overall height of 17.2 cm, this extension is particularly useful for irrigation systems with deeper pipework or installations requiring additional vertical clearance.

The black extension body is supplied without a lid and is intended to be used with compatible Rain Bird standard valve boxes. It allows greater installation flexibility while maintaining convenient access to irrigation valves and fittings for future inspection and maintenance.

Additional installation depth for irrigation systems

In automatic irrigation systems, solenoid valves and manifold assemblies are not always installed immediately below ground level. Deeper polyethylene pipework, larger fittings or existing pipe configurations may require additional vertical space.

The Rain Bird VB-STD-6EXT-B provides a practical solution for extending a compatible standard valve box. It helps accommodate deeper installations while keeping irrigation components protected and accessible for servicing.

Durable construction for underground installation

The extension is manufactured from durable black plastic and is designed for underground use. Its rectangular shape is specifically intended for the Rain Bird standard valve box series, allowing it to be integrated into compatible valve box installations.

The extension provides additional flexibility when adapting an irrigation system to site conditions. It is particularly useful when existing pipework cannot easily be repositioned or when irrigation valves need to be installed at a greater depth.

Compatible accessory for Rain Bird standard valve boxes

The Rain Bird VB-STD-6EXT-B is designed as an extension component for the standard valve box series. It is not a complete valve box with a lid. A compatible valve box or suitable lid arrangement is required to create a covered installation.

This extension is suitable for residential garden irrigation systems and professional landscaping installations. During installation, ensure proper positioning of the components and sufficient clearance around valves, fittings and pipe connections for convenient future maintenance.

Technical specifications and dimensions

• Manufacturer: Rain Bird
• Model: VB-STD-6EXT-B
• Manufacturer part number: A11420
• Product type: Rectangular standard valve box extension
• Compatibility: Rain Bird standard valve box series
• Version: Black extension body only, without lid
• Color: Black
• Bottom external dimensions: 50.8 x 37.5 cm (L x W)
• Bottom opening: 39.3 x 28.3 cm (L x W)
• Top external dimensions: 44.3 x 30.8 cm (L x W)
• Overall height: 17.2 cm
• Nominal extension: 6 inches (approximately 15.2 cm)
• Application: Underground irrigation installations
• Package contents: 1 extension body without lid

Frequently asked questions

What is the Rain Bird VB-STD-6EXT-B used for?

The extension is designed to provide additional installation depth for compatible Rain Bird standard valve boxes. It helps accommodate irrigation valves and pipe connections located further below ground level.

How tall is the valve box extension?

The Rain Bird VB-STD-6EXT-B has an actual overall height of 17.2 cm. The 6EXT designation refers to a nominal 6-inch extension, equivalent to approximately 15.2 cm.

Is a green lid included?

No. The VB-STD-6EXT-B consists of the black extension body only. A lid is not included in the package.

Which valve boxes are compatible with this extension?

The VB-STD-6EXT-B is designed for the Rain Bird standard valve box series. It is not intended for Jumbo, Super Jumbo or Maxi Jumbo valve boxes.

Can the extension be used with an existing irrigation system?

Yes, provided that a compatible Rain Bird standard valve box is installed and the site conditions allow the extension to be fitted. This makes it useful for adapting existing irrigation installations to greater depths.