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

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.