Stainless Steel Manhole Inserts
  • Low Cost
  • Easy to Install
  • Reduces Inflow
  • Extreme Durability
  • Two Vents for Gas and Water
  • Lowers Treatment Plant Costs
  • Dimensional Chart for Ordering

These manhole inserts, also known as shields are manufactured from 18 gauge, 304 stainless steel and have been proven effective in reducing or preventing surface water infl ow to the collection system, through the manhole lid.

Operating, utility and maintenance costs for plant equipment and pumps are minimized due to reduced flow during heavy rainfall.

These SS manhole inserts are a practical solution to expensive plant expansions, new construction moratoriums or high sewage treatment costs.

The manhole inserts include 2 valves, one for venting of gas and one for release of water at a rate of not more than 5 gallons per 24 hour period.

Each insert includes a gasket made of closed cell neoprene and is attached with a pressure sensitive adhesive. Each insert is equipped with a heavy-duty polypropylene strap for ease of removal and installation.

Reference the Dimensional Chart here when you place your order online, simply add the dimensions in the Comments field of the shopping cart. If you have any doubts or concerns, please call Tech Support at 800-437-1146.



QTY WPA90001

SST Plus Manhole insert 21"-26-3/4"

QTY WPA90002

SST Plus Manhole insert 27"-32"