GuideAugust 24, 2026
Wastewater Grinder Selection Guide
Most wastewater grinder decisions come down to two things: the hole the machine has to fit in, and the equipment…
Read More about Wastewater Grinder Selection GuideTASKMASTER® Manhole Grinder
Drop-in FRP manhole with grinder, installs in 3 hours
The TASKMASTER® Manhole Grinder is a pre-engineered, easy-to-install channel grinder system built into a manhole structure for continuous protection of wastewater collection and conveyance systems.
Key Features
- Lightweight Design
- 5-35 Foot Depth Range
- Multiple Diameter Options
- Pre-Engineered FRP Structure
- Easy Drop-In Installation
Established 1918 · Made in USA · Livingston, NJ
Product Overview
Description
The complete manhole system can quickly be up and running with minimal site work, grinding wipes and other tough waste solids, protecting downstream equipment and providing savings for the facility and district. The FMI manhole saves time and money over custom-designed concrete installations and provides easy access to the system with a choice of hinged hatches.
- Installation Time
- 3 - 4 hours
- Diameter Options
- 48 in, 60 in, 72 in
- Depth Range
- 5 – 35 feet
- Construction Materials
- Fiberglass Reinforced Polyester (FRP) Manhole, Stainless Steel Hardware
Options
Customize this product for your application
The complete packaged FRP manhole makes installation a snap – simply dig a hole, drop it in and hook it up. The system is constructed specifically for a TASKMASTER® grinder which is installed in a built-in channel. With available depths from 5 – 35 feet and diameters in 48”, 60” and 72”, the manhole is fully customizable to your site. The manhole’s lightweight design results in much lower installation and material handling cost, as well as minimizing of the plant downtime, with typical installation at a prepared site being between 3 – 4 hours. The units are provided with an access ladder, a choice of hatches and optional grinder siderails.
Technical Specifications
- Installation Time
- 3 - 4 hours
- Diameter Options
- 48 in, 60 in, 72 in
- Depth Range
- 5 – 35 feet
- Construction Materials
- Fiberglass Reinforced Polyester (FRP) Manhole, Stainless Steel Hardware
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Trusted by Industry Leaders Worldwide
Trusted Since 1918
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Drop-in FRP manhole with grinder, installs in 3 hours