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This is an equipment specification label for a Grieve Corporation walk-in industrial oven. The WRC Walk-In Oven is a natural gas-fired unit rated for 489 volts, 34 amperes, three-phase, 60 hertz operation. The oven has a heat input capacity of 1,200,000 BTU/hour with a maximum operating temperature of 500°F and operates on natural gas at 7.9 water column pressure. The unit is equipped with a largest motor rated at 20 horsepower and features a short circuit current rating of 5 kiloamperes symmetrical. The equipment is UL-listed under enclosure designation A09643320 and manufactured by The Grieve Corporation of Round Lake, Illinois 60073. The serial number is 118984A0117, with technical specification reference E-87 noted on the label. This appears to be standard equipment documentation that might be referenced in a federal contract involving industrial heating or manufacturing equipment procurement or maintenance.