ICM Controls ICM253B Fan Delay Timer, 12-390 Second Adjustable Delay

The ICM253B a fan delay timer that controls the circulating fan in heat pumps, air conditioners, and forced air systems. The off delay timing function continues to run the fan at the end of heating and cooling cycles. Features UL 873 recognition for compressor applications Post-purge fan delay timer Adjustable 12-390-second time delay OFF delay purges ducts of residual air at the end of the heating/cooling cycle Interrogation delay eliminates nuisance trips due to thermostat bounce/tampering