The EMCO Wheaton A0721-308 is an 8" monitoring well manhole with a 3-bolt lid configuration and white painted ductile iron lid. The 3-bolt design provides secure closure with faster access than standard 4-bolt models. Galvanized steel skirt, 8.8" overall height. 12.8 lbs, AASHTO H20.

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	A0721-308
Nominal Well Size	8"
Lid Type	Bolt-down (3 Bolts)
Lid Material	Painted ductile iron
Lid Color	White
Skirt Material	Galvanized steel
Overall Height	8.8"
Clear Hole I.D.	6.4"
Maximum Diameter	9.4"
Weight	12.8 lbs
Load Rating	AASHTO H20
Pallet Quantity	64

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 8", 3-Bolts