Monitoring Manhole Cover, Round 18"x18" Bolt down lid

The EMCO Wheaton A0721-118 is the extended-height 18" monitoring well manhole, standing 18.0" tall compared to the standard 12.3" A0721-018. Black ductile iron bolt-down lid with built-in side handle, galvanized steel skirt. At 69.5 lbs, this is the heaviest unit in the A0721 line. 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 — black finish, painted inside and out
• Special feature: Built-in side handle for one-hand opening

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.