Honeywell YTHM5421R1010 Equipment Interface Module w/ 2 Duct Sensors for all Prestige IAQ & new RedLINK VisionPRO Thermostats
$ 84.03Equipment Interface Module Kit with 2 Duct Sensors. 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.
Used with all versions of Prestige IAQ Thermostats and the New RedLINK VisionPRO Thermostats.
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