JWC Environmental

New Monster Manhole

Dig a hole and YOU’RE DONE!

The new pre-built Muffin Monster Manhole from JWC Environmental is a sewer system solution for cities, nursing homes, hospitals, jails and other institutions facing a stubborn problem – rags, trash and debris clogging sewer lines and pump stations.  The Muffin Monster Manhole (M3) includes everything in one ready to install package:  a pre-built FRP manhole; a Muffin Monster grinder; guide rails; access ladder; inlet and outlet pipeline connections and a manhole or hatch-type access lid.  The M3 is 4’ in diameter, can go up to 30’ deep and can handle flows up to 350,000 GPD.  The package manhole is bolted to a concrete pad provided by the owner and the inlet and outlet pipeline connections are made to fit the sewer line.  The FRP adds strength to the manhole while also providing corrosion resistance. The grinder comes with an immersible motor, automated controller and the industry’s best service plan – the JWCE grinder exchange program.

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