Honeywell Home Prestige® THM5421R1021/U 2-Wire Equipment Interface Module, For Use With All THX9421R5021 Prestige® 2-Wire IAQ Thermostat and all Versions of Prestige® IAQ Thermostat and the VisionPRO® Thermostat with RedLINK™ Technology, 18 to 30 VAC, 50/60 Hz
MFG Part#THM5421R1021
DSG#47738
Honeywell Home Prestige® THM5421R1021/U 2-Wire Equipment Interface Module, For Use With All THX9421R5021 Prestige® 2-Wire IAQ Thermostat and all Versions of Prestige® IAQ Thermostat and the VisionPRO® Thermostat with RedLINK™ Technology, 18 to 30 VAC, 50/60 Hz
MFG Part#THM5421R1021
DSG#47738
- Equipment Interface Module controls 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.