YTHM5421R1010 - Honeywell YTHM5421R1010 - Equipment Interface W/ 2 Duct Sensors

EQUIPMENT INTERFACE MODULE KIT WITH 2 DUCT SENSORS. CONTROLS UP TO 4- ST AGES OF HEAT AND 2-STAGES OF COOL IN A HEAT PUMP SYSTEM AND UP TO 3- STA GES OF HEAT AND 2-STAGES OF COOL IN A CONVENTIONAL SYSTEM. THREE SETS OF UNIVERSAL IAQ CONTACTS TO CONTROL HUMIDIFICATION, DEHUMIDIFICATION, AND VENTILATION. FOUR SENSOR INPUTS FOR WIRED SENSORS OR DRY CONTACT DEVICE S. USED WITH ALL VERSIONS OF PRESTIGE IAQ THERMOSTATS AND THE NEW VISION PRO 8000 WITH REDLINK THERMOSTATS.