2-wire control box package used when adding a/c to Nordyne FEHA, FEBA, FEHB & FEBB electric furnaces that are not already a/c equipped.
Also used when adding a Nordyne a/c blower assembly to a Coleman 3400 or 3500 series furnace. Includes mounting brackets. Box measures 10" x 5" x 3". Parts inside metal box are 621867 relay, 621099 relay, 621299 transformer, terminal board, thermostat terminal board, 632091 on-auto switch, 632092 on-off-auto switch & plugs.info sheet