An 850°F (454°C) walk-in oven manufactured by Grieve will be used for heat treating and baking varnish.

No. 852 has 120 kW installed in Incoloy-sheathed tubular heating elements, while a 7,800-cfm, 5-hp recirculating blower provides combination airflow to the workload. The oven, which has 8” insulated walls and a 4” insulated floor, includes an aluminized steel interior and exterior and safety equipment for handling flammable solvents.

Controls include a digital indicating temperature controller and manual reset excess temperature controller with separate contactors.