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The RAIN BIRD A11450 is a 10-inch round valve box designed to house and protect underground irrigation valves from soil, debris, and physical damage. The unit ships with a green lid that blends with turf and landscape surfaces, making it a practical choice for residential and commercial irrigation installations. At 3.9 pounds, it is lightweight enough for a single technician to handle and position during trenching work. Irrigation contractors and landscape professionals install this box during new system installations or as a replacement when existing valve boxes crack or degrade.
This valve box is suited for in-ground irrigation systems where one or more control valves require a protected, accessible enclosure. The round form factor fits neatly into standard round-cut excavations and accommodates common valve body sizes used in residential lawn zones and commercial turf applications. The green lid provides low-profile blending in grass and ground cover areas while still allowing tool-free or minimal-tool access for valve inspection, adjustment, or replacement during routine maintenance.
Designed as an OEM-style enclosure for underground irrigation control valves in standard residential and commercial in-ground irrigation systems.
Irrigation technicians and landscape contractors typically install valve boxes during system layout before backfill. The excavation should be sized to seat the box flush with or slightly above finish grade to prevent surface water intrusion. Ensure all valve connections are complete and tested before backfilling around the box. Local codes may require minimum burial depths for irrigation valve assemblies — consult applicable municipal or state irrigation guidelines before installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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