Honeywell Home Prestige 2-Wire IAQ Equipment Interface Module

Honeywell Home Prestige 2-Wire IAQ Equipment Interface Module. This Module will control up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages 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 devices. Applications include Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity systems.

Used with All THX9421R5021 Prestige® 2-Wire IAQ Thermostats and all versions of Prestige® IAQ Thermostats and the VisionPRO® Thermostats with RedLINK™ technology

When combined with TH8321R1001 and C7089R1013 will make no longer available kit YTH9421C1010