Grieve walk-in oven has 4" thick insulated walls with an aluminized steel interior and exterior. A four-port vacuum manifold with pressure gauge and hand valve on each port is included, and the solenoid valve can be used to bleed air into the manifold and a resin trap leading to the vacuum pump. A two-stage rotary vacuum pump rated at 10 cfm is provided. Model 1016 is a 500°F (260°C) walk-in oven used for composite curing. Workspace dimensions measure 72 x 120 x 78", and 100 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber. A 10,000-cfm, 10-hp recirculating blower provides horizontal airflow to the workload.