The EMCO Wheaton A0721-308A is the extended-height version of the 3-bolt 8" monitoring well manhole, standing 12.8" tall compared to the standard 8.8" A0721-308. White ductile iron lid, galvanized steel skirt. 13.7 lbs, AASHTO H20 rated.

Key Features

AASHTO H20 wheel loading — safe for roadway, parking lot, and sidewalk installations
Bolt-down (3 Bolts) lid — secure closure with fewer bolts for faster access
Galvanized steel skirt — rigid structural support in compacted backfill
Painted ductile iron lid — white finish, painted inside and out

Technical Specifications

Part Number	A0721-308A
Nominal Well Size	8"
Lid Type	Bolt-down (3 Bolts)
Lid Material	Painted ductile iron
Lid Color	White
Skirt Material	Galvanized steel
Overall Height	12.8"
Clear Hole I.D.	6.4"
Maximum Diameter	9.4"
Weight	13.7 lbs
Load Rating	AASHTO H20
Pallet Quantity	48

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.

Monitoring Manhole Cover, Round 8" x 12", White Ductile Lid