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The CARSON 12202004 is a structural foam valve box designed for in-ground installation in irrigation, plumbing, and utility systems. Built from high-density polyethylene (HDPE) with UV inhibitors, this box resists weathering, chemicals, and moisture over long service life. It measures 12 inches wide by 25 inches long by 18 inches deep, providing ample internal clearance for valve manifolds, wiring connections, or meter assemblies. The green finish allows the box to blend with landscaped areas. Installation is straightforward, making it a practical choice for plumbing and irrigation contractors working on both residential and light commercial sites.
This valve box is suited for below-grade installation where access to buried valves, backflow preventers, or utility connections is required. The structural foam HDPE construction holds up in freeze-thaw cycles, high-UV environments, and wet soils without cracking or degrading. Irrigation technicians, plumbers, and utility contractors commonly deploy this box in lawn irrigation systems, water meter pits, and underground valve access points. Its dimensions accommodate a range of standard valve assemblies and manifold configurations.
Designed as a standard OEM-style in-ground valve box suitable for residential and light commercial irrigation and plumbing valve access applications.
Installation is typically performed by licensed irrigation contractors or plumbers. Shut off the water supply before servicing any valves or connections inside the box. Excavate to a depth and width that allows the box to sit level and flush with the finished grade. Follow all applicable local plumbing and irrigation codes regarding burial depth and access requirements.
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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