Honeywell THM5421R1021 — RedLINK Equipment Interface Module (EIM), 4H/2C HP, 3 IAQ Contacts
$139.00
Equipment-side wiring module that lets a RedLINK VisionPRO or Prestige thermostat control the HVAC system wirelessly. Mounted near the air handler or furnace.
Special Order. This item is not kept in stock. We confirm availability and lead time by email after you order. If we can't supply it within the quoted lead time, you may cancel for a full refund.
New, unused. Free shipping in the lower 48. See our Terms of Service and Return Policy.
Specifications
| Up to 4H/2C heat pump or 3H/2C conventional | |
| 24V, RedLINK wireless | |
| Three universal IAQ contacts (humidify, dehumidify, ventilate) | |
| Four inputs for wired sensors or dry contacts | |
| Compatible with Prestige IAQ and RedLINK VisionPRO thermostats | |
| Replaces THM5421C1008, THM5421R1005, THM5421R1013 | |
| Brand | Honeywell Home |
|---|---|
| Model | THM5421R1021 |
| Condition | New |
| Facility Surplus SKU | FS-SO-1032 |