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No. 813 is a gas-heated 500°F(~260°C) walk-in oven from Grieve, currently used for curing printed circuit boards. 350,000 BTU/HR is installed in a modulating natural gas burner and workspace dimensions are 48” wide x 48” deep x 72” high.
The unit has 4” insulated walls and an aluminized stainless steel interior and exterior. A 3300 CFM, 2-HP recirculating blower provides horizontal airflow to the oven. Safety equipment, such as a 325 CFM 1/3 powered force exhauster, is included as required by the IRI, FM and the National Fire Protection Association Standard 86 for gas-fired equipment. The oven also features a 2” insulated floor with truck wheel guide tracks and a removable top-mounted heat chamber.
Controls onboard No. 813 include a recirculating blower airflow safety switch, circular chart temperature controller and a manual reset excess temperature controller.