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Monitoring Manhole Cover, Round 8" x 8", 3-Bolts
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...
$ 78.09
Monitoring Manhole Cover, Round 8"x12" Black Ductile Steel
The EMCO Wheaton A0721-108 is an 8" monitoring well manhole with a black painted ductile iron bolt-down lid and galvanized steel skirt. The steel skirt provides rigid support in granular...
$ 91.47
Locking Well Monitoring Cap, 4" includes collar and padlock
The EMCO Wheaton A0720-001 is a 4" locking well monitoring cap and collar assembly. Threads or solvent-welds onto standard 4" PVC well casing to provide tamper-resistant security for monitoring wells....
$ 69.32
Cast Iron Manhole Cover, Round 18"x18", Lay-In, Steel Skirt
The EMCO Wheaton A0717-018A is a 18" round manhole with a Cast iron lid and galvanized steel skirt. The lay-in lid drops into the frame without bolts for quick, unrestricted...
$ 300.71
Monitoring Manhole Cover, Round 18" x 12", Cast Iron Lid
The EMCO Wheaton A0717-018 is a 18" round manhole with a Cast iron lid and galvanized steel skirt. The lay-in lid drops into the frame without bolts for quick, unrestricted...
$ 279.67
Monitoring Manhole Cover, Round 12" x 24", Cast Iron Lid
The EMCO Wheaton A0717-122A is a 22" (12" lid) round manhole with a Cast iron lid and galvanized steel skirt. The lay-in lid drops into the frame without bolts for...
$ 193.45
Cast Iron Manhole Cover, Round 18"x24", Lay-In, Steel Skirt
The EMCO Wheaton A0717-018C is a 18" round manhole with a Cast iron lid and galvanized steel skirt. The lay-in lid drops into the frame without bolts for quick, unrestricted...
$ 335.72
Monitoring Manhole Covers, Round 12" x 12" Ductile Lay-In
The EMCO Wheaton A0721-001L is a 12" monitoring well manhole with a lay-in (drop-in) lid for tool-free access during routine sampling. Black ductile iron lid, polyethylene skirt. The larger 11.2"...
$ 129.40
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...
$ 149.47
Monitoring Manhole Cover, Round 6" x 9.5", Ductile Lid
The EMCO Wheaton A0721-106A is the extended-height version of the 6" monitoring well manhole, standing 9.5" tall compared to the standard 7.5". Same ductile iron bolt-down lid and steel skirt...
$ 58.00
Square Manhole Cover, Vault 24" x 24" x 9", Steel Lay-In Lid
The EMCO Wheaton A0717-724 is a 24" square manhole/vault with a 3/8" heavy-duty diamond plate steel lid and 16-gauge steel body. The lay-in design drops into the frame without bolts...
$ 408.31
Monitoring Manhole Cover, Round 12" x 12", Cast Iron Lid
The EMCO Wheaton A0717-122FG is a 22" (12" lid) round manhole with a Cast iron lid and galvanized steel skirt. The lay-in w/finger hole lid drops into the frame without...
$ 151.40About EMCO Wheaton
EMCO Wheaton is the manufacturer behind the manhole covers, frames, and underground access products we carry. Their products are installed in municipal water systems, sewer infrastructure, industrial facilities, and environmental monitoring sites across the country.
Whether you need a 6” monitoring well cover or a 44” composite vault panel, EMCO Wheaton builds it. We stock their full line with competitive pricing and same-day shipping on in-stock items ordered before 1pm CT.
Shop by Material
- Cast Iron — Load-bearing covers for roadways and vehicle-traffic areas. Lay-in, bolt-down, and monitoring configurations. The default for any installation that sees vehicles.
- Composite — UV-stable, corrosion-resistant covers for coastal, chemical, and industrial environments. Up to 70% lighter than cast iron. Won’t rust or degrade in sunlight.
- Steel — Heavy-gauge steel-skirt frames for maximum structural integrity under traffic loads. Anchors into concrete and asphalt.
Common Applications
EMCO Wheaton covers are specified for sewer access points, water utility manholes, monitoring well surface completions, stormwater infrastructure, and industrial vault access. The right cover depends on the load environment (foot traffic vs. vehicles), exposure conditions (coastal, chemical, UV), and access frequency.
Need Help Specifying?
If you’re replacing an existing cover or specifying for new construction, call (866) 514-3684. We help contractors and engineers match covers to their installation requirements every day — bring us your opening dimensions and site conditions, and we’ll recommend the right product.
FAQ
Is EMCO Wheaton the same as EMCO Industries?
EMCO Wheaton is the brand name for the underground access product line. Their manhole covers and frames are manufactured specifically for sewer, water utility, and monitoring well applications.
Can I get just a replacement lid without the frame?
For composite covers, yes — we carry lid-only options in most sizes. For cast iron, the lid and frame are typically sold together, but call us to confirm availability for your specific size.
Do you carry EMCO Wheaton’s full product line?
We carry their full range of manhole covers and frames — cast iron, composite, and steel in round and square configurations. If you don’t see a specific EMCO Wheaton item on the site, call (866) 514-3684 and we can source it.
