Limited

Wireless RedLINK™ communications between condensing unit or compressor or boiler and thermostat|Eliminates the need to run additional wires to your equipment, for example, during a heat pump upgrade|Temperature sensor terminals for outdoor temp sensors or indoor freezer protection|LED for easy installation checkout|May reduce damage to homes since wiring or drilling is eliminated|Suitable for outdoor use|-40 to 155 deg F compressor ambient, 30 to 130 deg F boiler ambient|LED compressor, boiler and connected|J, R, C, Y, Y2, O/B, D, L, S1, S1 terminal designations|ERM is not compatible with RedLINK™ zone boards