Tag: RTH221
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Honeywell RTH2300/RTH221 Programmable Thermostat Installation Guide
Honeywell RTH2300/RTH221 Programmable Thermostat 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 to help. Call 1-800-468-1502. This thermostat cannot…
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Honeywell RTH111/RTH221 Programmable and Non-programmable Thermostats Installation Guide
Honeywell RTH111/RTH221 Programmable and Non-programmable Thermostats Installation Guide Introduction The RTH111/RTH221 thermostats can be used to control: a gas, oil or electric furnace — 2 or 3 wires a central air conditioner — 2 or 3 wires a hot water system (steam or gravity) with or without pump — 2 wires a millivolt system —…
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Honeywell RTH2300 Programmable Thermostat Installation Guide
Honeywell RTH2300 Programmable Thermostat 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 to help. Call 1-800-468-1502. This thermostat cannot…
