Honeywell RTHL3550 Quick Installation Guide

69-2584ES— 01 ii
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 the most common system
We are here to help.
Call 1-800-468-1502 for wiring
assistance before returning
the thermostat to the store.

Honeywell RTHL3550 Specifications

General

Brand	Honeywell
Model	RTHL3550
Category	Thermostat
Language	English