Honeywell THM5421R1021/U - Prestige 2-Wire IAQ Equipment Interface Module

In stock
SKU: THM5421R1021/U
Regular price $99.99

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Honeywell EIM Installation Guide

Prestige IAQ Brochure

Versatile Equipment Interface

The Honeywell Home Prestige 2-Wire IAQ Equipment Interface Module is compatible with RedLINK-enabled thermostats. It 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

 


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