P R O G R A M M A B L E
P R O G R A M M A B L E
M E C H A N I CA L N O N - P R O G R A M M A B L E
RT H 6 4 5 0 D
3
RT H 6 3 5 0 D
4
RT H 2 3 1 0 B
5
RT H 7 5 0 0 D
2
RT H 7 6 0 0 D
1
RT H 2 2 1 B
8
RT H 5 1 0 0 B
9
RT H 1 1 1 B
12
R LV 3 1 0 A
13
C T 8 7 K
C T 8 7 N
14
C T 5 0 K
C T 5 1 N
C T 5 3 K
16
C T 3 0 A
C T 3 1 A
C T 3 3 A
15
C T 4 1 0 B
17
• Includes changeable faceplates for
customizing appearance ( Titanium,
Charcoal, Taupe )
• Enhance your home’s décor
• Easy to use
• Backlit display
• Early start function
• Filter change reminder
• Precise temperature control of +/-1º F
• Compatible with heating and cooling systems
7-Day Programmable
Dècor Thermostat
RTH2520B
6
• Easy to use
• Backlit display
• Early start function
• Filter change reminder
• Precise temperature control of +/-1º F
• Compatible with heating and
cooling systems
5-2 Day Programmable Thermostat
RTH2310B
5
• TRIAC silent switching for accurate
temperature control of +/-1º F
• 2-wire
• Compatible with fan-forced heaters
• Compatible with electric baseboards
(120-240 V), convectors and
radiant ceilings
5-2 Day Programmable for
Electric Baseboard Heat Only
RLV430A
7
• Easy to use
• Backlit display
• Smart Response Technology
• Precise temperature control of +/-1º F
• Compatible with heating and cooling systems
plus heat pump systems
5-2 Day Programmable Thermostat
RTH6350D
4
• Easy to use
• Backlit display
• Smart Response Technology
• Precise temperature control of +/-1º F
• Auto change from heat to cool
• Compatible with heating and cooling systems
plus heat pump systems
5-1-1 Day Programmable Thermostat
RTH6450D
3
• Large, backlit digital display
• Easy-access battery door
• Auto change from heat to cool
• Setpoint is retained in the event of a power outage
• Precise temperature control of +/-1º F
• Compatible with heating and cooling systems
plus heat pump without back-up heat
RTH5100B
9
• World’s most-popular thermostat
• Precise temperature control of +/-1º F
• Available in heat only (CT87K) and
heat/cool models (CT87N)
• Easy to install and use
• Compatible with heating and cooling systems
The Round
™
CT87K/CT87N
14
• Easy to install and use
• Emergency and auxiliary heat light indication
• Precise temperature control of +/-1º F
• Compatible with heat pumps with auxiliary heat
Heat Pumps Only
RTH3100C
11
• Snap action switching
• Precise temperature control
• Available in heat only (CT30A), Heat/cool (CT31A)
and 750 millivolt Heating Systems (CT33) models.
• Compatible with heating and cooling systems
CT30A/CT31A/
CT33A
15
• Easy-to-read backlit display
• Set-point is retained in the event of a power outage
• Precise temperature control of +/-1º F
• Compatible with heating and cooling systems
RTH1100B
10
• Sleek, one-piece design
• Precise temperature control of +/-1º F
• Easy to use and install
• Compatible with heating and cooling systems
RTH111B
12
• TRIAC silent switching for accurate
temperature control of +/-1º F
• 2 wire
• Compatible with electric baseboards
(120 - 240V), connectors and
radiant ceilings
Electric Baseboard Heat Only
RLV310A
13
• Easy to use touchscreen display
• Backlit display
• Auto change from heat to cool
• Smart Response Technology
• Filter change reminder
• Precise temperature control of +/-1º F
• Permanent day & time
• Daylight saving time option
• Optional battery free installation
• Compatible with heating and cooling systems
plus heat pump systems
7-Day Touchscreen Programmable
Thermostat
RTH7600D
1
• Easy to use
• Backlit display
• Auto change from heat to cool
• Smart Response Technology
• Filter change reminder
• Precise temperature control of +/-1º F
• Permanent day & time
• Daylight saving time optional
• Optional battery free installation
• Compatible with heating and cooling systems
plus heat pump systems
7-Day Programmable Thermostat
RTH7500D
2
D I G I TA L N O N - P R O G R A M M A B L E
RT H 3 1 0 0 C
11
RT H 1 1 0 0 B
10
Electric Baseboard Heat Only
CT410B
17
• Easy to install
• Bimetal temperature sensor
• 4-wires; positive off
• Compatible with electric baseboard heat
(120 - 240V) and convectors (120-240V)
• Easy to use
• Precise temperature control of +/-1º F
• Sleek, one-piece design
• Compatible with heating and
cooling systems
1-Week Basic
Programmable Thermostat
RTH221B
8
A P R O G R A M M A B L E
T H E R M O S TAT CA N S AV E YO U
U P T O 3 3 % O F F YO U R
E N E R G Y B I L L . *
RT H 2 5 2 0 B
6
R LV 4 3 0 A
7
* If used as directed. Savings may vary depending on
geographic region and usage.
• Standard model
• Precise temperature control
• Available in heat only (CT50K) and heat/cool
(CT51N) models
• Also Available in Fireplace/Floor/Wall
Furnace (CT53K) models
• Low temperature version available with
scale 35º - 85º F. (CT50K1028)
• Compatible with heating and cooling systems
CT50K/CT51N/CT53K
16
