Overview

Honeywell THM5421R1021 Equipment Interface Module. 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.

Specifications

More Information
Manufacturer Honeywell
Product Type Replacement Part

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