Monitoring Manhole Cover, Round 12"x8", Bolt-down Lid

The EMCO Wheaton A0721-128A is a low-profile 12" monitoring well manhole with galvanized steel skirt and 8.0" overall height. White ductile iron bolt-down lid. Choose the -128A over the -128 when steel skirt rigidity is preferred over the poly skirt's corrosion resistance. 23.6 lbs, AASHTO H20.

Key Features

• AASHTO H20 wheel loading — safe for roadway, parking lot, and sidewalk installations
• Bolt-down lid — stainless steel bolts with alignment tabs for secure, repeatable closure
• Galvanized steel skirt — rigid structural support in compacted backfill
• Painted ductile iron lid — white finish, painted inside and out

Technical Specifications

Applications

Groundwater monitoring wells, EPA compliance sites, UST (underground storage tank) closure monitoring, environmental remediation, brownfield redevelopment, landfill gas monitoring, and any installation requiring AASHTO H20 traffic-rated well access protection.

About EMCO Wheaton

EMCO Wheaton Retail (a division of ECT Manufacturing) is the industry-standard name in monitoring well access hardware — specified by municipalities, environmental contractors, and federal agencies nationwide.

Questions on sizing, bulk pricing, or custom skirt heights? Call (866) 514-3684 or email us — we ship within the USA and welcome tax-exempt purchasing for qualified accounts.