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Honeywell THM5421R1021

Prestige IAQ & VisionPRO Equipment Interface Module

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In Stock and Ready to Ship. (If ordered by 1 p.m. CST M-F, ships same day. All items on your order must be in stock for same-day shipping.)

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Powered by Redlink™ reliability, this 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.

Compatible with all Prestige IAQ and new VisionPRO thermostats.

Power Method

Indicates if the thermostat operates electrically on batteries or power from the furnace/air handler.

Power Method
Hardwired
Color
Gray
Width
4 53/64 Inches
Depth
1 19/32 Inches
Height
9 11/32 Inches
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