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Enviro Design Products

Utility Vaults & Frames

Utility vaults and frames — round and square underground access chambers for water meters, valves, electrical equipment, and infrastructure access. · 28 products

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About Utility Vaults & Frames

Underground Access Solutions

Utility vaults provide the underground chamber and surface-level access point for buried infrastructure — water meters, shut-off valves, electrical connections, and communication equipment. The vault protects the equipment below grade while the cover provides maintenance access from the surface.

Round vs. Square Vaults

Round vaults are standard for water shut-offs, valve access, and smaller utility installations. Available from 18” to 24” diameter.

Square vaults provide more interior space for larger equipment, multi-utility installations, and situations where rectangular access is needed. Available from 12”×12” to 48”×48”.

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Frequently asked questions

What is a utility vault?

A utility vault is an underground chamber that houses buried infrastructure — water meters, shut-off valves, electrical connections, and communications equipment — with a surface-level frame and lid for maintenance access. The vault protects the equipment below grade; the cover keeps out traffic loads, debris, and unauthorized access.

Where can utility vaults be located?

Anywhere buried utilities need periodic access: sidewalks, parkways and easements, parking lots, and roadway shoulders. Placement is usually dictated by the utility's route and local code. Vaults in traffic areas need appropriately load-rated lids, while landscaped or pedestrian-only locations can use lighter covers.

What is a plumbing vault?

A plumbing vault — often called a water meter vault or valve vault — is a utility vault dedicated to water infrastructure. It houses meters, backflow preventers, pressure-reducing valves, or shut-off valves below the frost line. Round vaults in the 12”–24” range handle most single-meter and valve-access installations.

What sizes do utility vaults come in?

We carry EMCO Wheaton vaults and frames from 12” up to 48”, in round and square configurations. Round vaults in the 12”–24” range suit water shut-offs and meter access; square vaults up to 48”×48” provide the interior room needed for larger equipment and multi-utility installations.

How much does a utility vault cost?

Our utility vaults and frames range from about $390 for smaller round units to roughly $3,730 for large square vaults with heavy steel lids. Size, depth, and lid configuration drive the price. Call (866) 514-3684 for help matching a vault to your specification or for project pricing.

Can I replace just the utility vault cover?

Often, yes. If the buried vault body and frame are sound, a replacement lid costs a fraction of a full assembly. Measure the frame's inside opening and the lid's seat depth before ordering — lids are not universally interchangeable between manufacturers, so confirm dimensions against the product listing.

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