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1-Week Programmable Thermostat - RTHL221B

Basic operation
Precise temperature control
Sleek one-piece design

Available to purchase in a retail or "big box" store to install yourself

Simple programming - One program runs for the entire week with 4 program periods per day
Easy to use - Basic operation keeps programming easy
Precise temperature control of +/-1°F to maximize comfort
Display Options - °C or °F temperature - 12 or 24 hour clock
Compatible with heating and cooling systems
Does not work with multi-stage heating/cooling, heat pump systems or electric baseboard heat (120-240V)
Model - RTHL221B
1-Year Warranty

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