Honeywell Fresh Air Ventilation ControlThis solid state control unit operates a fresh air intake damper and, when necessary, activates the main HVAC blower to efficiently meet ASHRAE ventilation rates. Optimizes the air delivery schedule to make efficient use of normal HVAC run times. Easy-to-use input dials allow customized ventilation. Test mode provides immediate feedback to confirm that air delivery requirements of selected ventilation standards are being met. Economical supply-only ventilation works with forced air system. Product Specifications BRANDHoneywell CFM HIGH160 CFM LOW50 VOLTAGE24 VAC AMPERAGE0.6 DESCRIPTIONFresh Air Ventilation System FOR USE WITHHR150B, HR200B, ER150B, ER150C, ER200C, ER200B, EARD6 INCLUDESW8150A Fresh Air Ventilation Control, Mounting Hardware, Information Label LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERW8150A1001