Tag: RTH221B1047
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Honeywell RTH221B1047 Programmable Thermostat Owner’s Manual
RTH2300/RTH221SeriesProgrammable ThermostatOwner’s ManualRTH221B1047 RTH2300B1020Read before installingFor help please visit resideo.com Identify System Type This thermostat is compatible with the following systems: Gas, oil, or electric furnace Central air conditioner Hot water system with or without pump Millivolt system Central heating and cooling system Heat pump without auxiliary/backup heat Do you need assistance? We are here…
