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Home / Valve Boxes / 12-Inch Water Valve Box Garden Farmland Flower Forest Sprinkler Irrigation Valve Box

Attributes

Brand -
Category Basic Building Materials / Valve Boxes
Origin -
Material High-Density Polyethylene (HDPE)
Dimensions 12 x 8 x 10 inches
Color Green
Weight 2.5 lbs
Load Rating H-20 Traffic Rated Lid Available
Installation Type Below Ground / In-Ground
Compatibility Standard 1-inch to 1.5-inch Valves
UV Resistance Yes, UV Stabilized
Temperature Range -40°F to 140°F
Package Includes 1 Valve Box, 1 Lid, Installation Guide

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Exactly what I needed

Simple, effective, and affordable. Protects my valves from dirt and lawn mower damage. The 12-inch size is standard and works with most setups.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect for my garden irrigation

This valve box fits perfectly over my sprinkler valves. The material feels sturdy and the green color blends well with the grass. Easy to install.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Solid construction

Very happy with the thickness of the plastic. It doesn't feel cheap like some other brands. Took off one star because the instructions were minimal.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Survived winter without cracking

Installed these last fall in a farmland setting. They survived freezing temperatures and heavy snow without any cracks or damage. Highly recommend.

A

Anonymous

Mar 14, 2026

Rating: 4/5

Good quality, slightly tight fit

The box is well-made and durable. It was a bit snug getting the lid on initially, but it settled after a few days of sun exposure. Great value.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Great for flower beds

Used these to hide the valves in my flower forest area. They look neat and keep the debris out. Delivery was fast too.

5 FAQ

Q: What is the internal clearance height?

A: The internal height is approximately 10 inches, providing ample room for standard irrigation valves and manifold assemblies.

Q: Can I paint this box a different color?

A: While possible, we do not recommend painting as it may void the UV resistance warranty. The green finish is formulated to resist fading naturally.

Q: Is this suitable for salty soil conditions near the coast?

A: Yes, the HDPE material is highly resistant to corrosion and salt, making it ideal for coastal garden and farmland applications.

Q: Can this handle being driven over by a car?

A: The standard model is designed for pedestrian and light garden equipment traffic. For vehicle traffic, we recommend upgrading to our H-20 traffic-rated lid option.

Q: Does this come with screws for the lid?

A: No, the lid is designed to sit securely by weight and friction, but you can purchase separate stainless steel screws if extra security is needed.

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