Tag: RTHL3550
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Honeywell RTHL3550 Non-Programmable Digital Thermostat Installation Guide
RTHL3550 Non-ProgrammableDigital ThermostatOwner’s Manual This is a legacy product document supported by Resideo. It is no longer manufacturedRead and save these instructions.For help please visit yourhome.honeywell.com Installation is Easy Label wires and remove your old thermostat Install and wire your new thermostat Set your new thermostat to match your heating/cooling system• It is preset for…
