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HVAC
THERMOSTATS
THE FOCUSPRO™
NON-PROGRAMMABLE
DIGITAL THERMOSTAT
Large, clear, backlit display
- easy to read in
various lighting conditions.
Precise comfort control (+/- 1º F)
- maintains
consistent comfort to the highest level of
accuracy.
Easy change battery door
- flip out door
allows for easy battery replacement without
removing the thermostat.
5 year limited warranty.
Locke#
L3665
TH5320U1001 3 Heat / 2 Cool
Universal- Conventional or Heat
Pump Compatible
L3667
TH5110D1022 1 Heat / 1 Cool
Non-programmable
PRO SERIES NON-
PROGRAMMABLE, 1H/1C,
THERMOSTAT
The PRO series provides non-programmable
thermostats for 24 Vac conventional and heat
pump systems or 750 mV heating systems.
Features
• Non-programmable digital thermostat.
• Backlit digital display - both current and set
temperatures are easy to read in various
lighting conditions.
• Precise comfort control ( 1ªF) - maintains
consistent comfort to the highest level of
accuracy.
• Basic operation - easy-to-use slide switches
allow you to select the heat or cool mode,
and operate the fan.
• 5-year limited warranty.
Locke#
L3638
TH3110D1008 1H/1C,
Thermostat
L3639
TH3210D1004 1H/1C,
Thermostat
THE ROUND MERCURY-
FREE THERMOSTAT
1 Heat/1 Cool
Electronic Switch,
Classic Design, Easy to
see, 5 Year Warranty
Locke#
L3660
T87N1000 Round Mercury-Free
ROUND SNAP ACTION
THERMOSTAT
The Round®
thermostats provide
electronic control of
24Vac heating and
cooling systems with the
classic twist to set dial.
Features
• Mercury Free
• Classic Styling
• Premier White®
• The T87K heat only works with 2 or 3 wire
heat-only systems
Locke#
L4443
T87N1026/U Snap Action T-stat
THE DIGITAL ROUND
®
THERMOSTAT
•
Single stage gas, oil,
or electric heating
systems and electric
air conditioning
• Single stage heat
pumps
• 1 or 2 transformer
systems
• Includes wall plate for wiring and mounting
thermostat, mounting hardware,
•
4074FAB resistor, installation instructions
and owners guide.
•
No batteries required. The set point
temperature is held permanently in memory
in the event of a power failure.
•
F or C temperature display for added model
flexibility.
•
Large easy-to-read backlit display.
•
System and fan switches on the T8775C
model.
•
Attractive styling complements any décor.
•
Selectable heating cycle rates (1, 3, 6, 9
CPH) for a variety of applications.
Locke#
L4558 T8775C1005 Round digital
T651A LIGHT DUTY LINE
VOLTAGE THERMOSTAT
Volts
120 208/240/277
Full Load
8.0
4.0
Locked Rotor
48.0 24.0
Resistive (heating
contacts only)
7.2
7.2
For line voltage control of valves, motors,
contactors, electric heat elements, duct
furnaces,& fan coil units in heating/cooling
systems.
Locke#
L4518
T651A2028 Light Duty Line Volt
Thermostat
ELECTRONIC
NON-PROGRAMMABLE
PRO 1000 THERMOSTAT
Dual Powered - Battery
and or Hard wired
Clear Backlit Display
2 Year Warranty
Locke#
L3661
TH1110DV1009 1 Heat/1 Cool
Electronic Non-Programmable
L3662
TH1210DV1007 2 Heat/1 Cool
Heat Pump
Electronic
Non-Programmable
L3678
TH1100DV1000
Heat Only
Non-
Programmable