No. 991 is an electrically-heated 350°F (177°C) bench oven from Grieve, currently used for heating parts, including those with emissions of flammable solvents. Workspace dimensions are 28 in. wide x 24 in. deep x 18 in. high.
The Grieve bench oven features 2 in. insulated walls, leg support stand, Type 304, 2B finish stainless steel interior and exterior of brushed #4 stainless steel.
Two oven shelves are also included. A powered forced exhauster with powered forced airflow safety switch to shut down heat if there is an exhauster failure, as well as a purge timer to allow the oven to exhaust four volumes of fresh air prior to turning on the heat source are all onboard.