Honeywell Home YERM5220RVPEIM/U Equipment Remote Module Kit, Programmable Thermostat, ERM-J, R, C, Y, Y2, O/B, D, L, S1, S1 Terminal

Honeywell Equipment Remote Module Kit, Programmable Thermostat, Terminal Designations: ERM-J, R, C, Y, Y2, O/B, D, L, S1, S1, 4 Stage, 2 Heat Pump Stages Heat, 2 Heat Pump Stages Cool, 0 to 99 % Humidity, 10 sq-in Touchscreen, 24 VAC, Wall Mount, 6-78 in W x 1-31/64 in D x 6-39/64 in H

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The Honeywell ERM is like a new cordless tool in your toolbox. Pull it out whenever it's too costly or time-consuming to run wires from a condensing unit or boiler to control devices. There are fewer holes to drill and wires to run. Just faster, easier installation that gives you more profit per job. Make the Honeywell ERM your go-to choice for fast, easy equipment installation.