Tag: RTH2520
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Honeywell RTH2520 Programmable Thermostat Installation Guide
RTH2520This is a legacy product document Programmable Thermostat supported by Resideo. It is no longer manufacturedInstallation and User Guide Introduction The RTH2520 programmable thermostat can be used to control: a gas, fuel oil, or electric furnace -2 or 3 wires a central air conditioner – 2 or 3 wires a hot water system with or…
