For Energy Savings, Get with the Program.

Setback Thermostats Offer Cost-Cutting
Comfort for You.

FEATURES

BENEFITS

Night Setback Period

Saves money and energy.

Large LCD Displays

Read time and temperature at a glance.

One-Touch Control

Allows you to quickly read temperature and time set points

Precision Slide Control

Offers more accurate temperature control.

Multi-Colored Status Lights

Makes it easy to read control status.

"Shot Cycle" Timer

Ensures minimum on and off periods to prevent damage to heating and cooling equipment.

Contemporary Style

Blends well with any decor.

Programming Buttons

Easily set, review or change functions.

Minimum Run and Off Times

Prevent short cycling of system for greater efficiency and longer equipment life.

Fan Switch

Allows you to select continuous or automatic operation.

Permanent Program Memory

Maintains program in the event of a power loss.

Clock Buttons

Allow for quickly advancing or reversing clock settings.

Filter Monitor

Offers reminder for filter change.

Override Button

Allows for temporary change of set points without changing the programming.

Outdoor Sensor

Optional feature displays outdoor temperature.

EASY TO USE FEATURES

IT'S AS SIMPLE AS TWO EASY STEPS

It's As Easy As...
...a touch of your fingertips. A simple push on the cover reveals the L21's temperature set points, and with another quick touch you can set the time. Different colored lights allow you to know the thermostat's status at a glance.

Simple Installation/Simple Operation
The L21 installs in minutes, without special adjustments. With the L21's straightforward features, you can easily - and - quickly - adjust the functions without needing help from the dealer.

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