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VB Series Valve Boxes

When it comes to irrigation system installation and design, valve boxes play an important role, yet often aren’t given much thought.
A well-designed valve box can make installations faster and easier while reducing the need for future maintenance.

The key benefits of Rain Bird’s professional grade VB Series Valve Boxes are:
  • Strength and stability
  • Smart lid design
  • Environmentally friendly
  • Flexible installation


  • Rain Bird’s VB Series Valve Boxes combine strength and stability with unique features that save contractors time and money.
  • Available in multiple sizes and shapes to provide the right fit for any application.
  • Wide flange bases and corrugated sides protect valves by offering maximum durability, compression strength and stability under heavy loads.
  • Smart lid design with no holes to minimize pest access.
  • Lids also have beveled edges that minimize the potential for damage from lawn equipment while allowing for easier hand and shovel access.
  • All black bodies and black lids are made from 100 percent recycled materials, making them earth-friendly and LEED compliant.
  • Pipe-hole knockouts designed to fit with most pipe configurations are built into the sides of the valve box for easy pipe placement with little need for ime-consuming, tedious cutting.
  • The knockouts can be slid back into place to keep backfill dirt from entering the valve box.
  • For larger and deeper applications, valve box extension models and bottom-to-bottom stacking and interlocking capabilities provide installation flexibility.


The dimensions of the Rain Bird commercial grade valve boxes are presented below in standard and metric measurements:

Length: 21.8 inches (55,4 cm)
Width: 16.6 inches (42,2 cm)
Height: 12.0 inches (30,5 cm)

Standard Extension
Length: 20.0 inches (50,8 cm)
Width: 14.75 inches (37,5 cm)
Height: 6.75 inches (17,1 cm)

Length: 26.3 inches (66,8 cm)
Width: 19.8 inches (50,3 cm)
Height: 12.1 inches (30,7 cm)

Jumbo Extension
Length: 24.4 inches (62,0 cm)
Width: 17.9 inches (45,5 cm)
Height: 6.75 inches (17,1 cm)

Length: 33.1 inches (84,1 cm)
Width: 23.8 inches (60,5 cm)
Height: 15.0 inches (38,1 cm)

Maxi JumboLength: 40.3 inches (102,4 cm)
Width: 27.1 inches (68,8 cm)
Height: 18.0 inches (45,7 cm)

10 Inch Round
Bottom Diameter: 13.75 inches (34,9 cm)
Height: 10.0 inches (25,4 cm)

7 Inch Round
Bottom Diameter: 9.9 inches (25,1 cm)
Height: 9.0 inches (22,9 cm)

6 Inch Round
Bottom Diameter: 8.3 inches (21,0 cm)
Height: 9.0 inches (22,9 cm)

Valvebox Round 7 Inch


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