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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2009 Johnson Controls, Inc.
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T22 / T25 / T26 Series
Line Voltage Wall Thermostat
(Heating, Cooling, or Heating and Cooling)
Code No. LIT-1922255
Issued February 1, 2009
Description
For line voltage control of residential,
commercial, or industrial heating or year-
round air conditioning. Heat or cold
anticipators are not required. The liquid-
charged temperature sensing element and
highly efficient diaphragm and leverage
provide close temperature control.
Features
• attractive beige colored, high-impact
plastic enclosure (T26 Series)
• close differential without the need for
anticipators
• bi-metal thermometer supplied as standard
except where indicated
• equipped with adjustable dial stops
(T26 Series)
Specifications
Temperature range is 40 to 90°F (5 to 30°C),
except energy conservation models.
Accessories
• replacement knobs and faceplates
• for double trim plate for mounting two T22s
or T26s
Applications
Use for line voltage control of heating and cooling equipment.
Series T25
Action on Increase
of Temperature
R
B
Y
Low Stage
R
B
Y
High Stage
SeriesT26
Action on Increase
of Tem
p
erature
1
2
3
t28cd.eps
t28cd.eps
T25, T26 Series Action Diagrams
Selection Chart
T22 / T25 / T26 Series Line Voltage Wall Thermostat (Heating, Cooling, or Heating and Cooling
Code
Number
1
Type of
Adjustment
Application Selector
Switch
Differential Approximately °C (°F) Ship
Wt. (lb)
Heating Cooling
HEATING
T22AAA-1C Knob SPST Off-Auto 1-3/4 (1) – 1.3
T22ABC-1C Auto-Off-Fan
T22ABC-3C Concealed
T22BBC-1C Knob SPST, Medium Duty 3 (1.7)
T22CBC-1C SPST, Heavy Duty
T22CBC-3C Concealed
T26A-14C
(No thermometer)
Knob SPST, Energy Conservation Heating
model, max. setting 75°F (24°C)
None 2 (1.1) 1.0
T26A-15C
(No thermometer)
SPST, Energy Conservation Heating
model, max. setting 65°F (18°C)
COOLING
T22JAA-1C Knob SPST Off-Auto – 2-1/4 (1.3) 1.3
T22JCC-1C Auto-Off-Fan
T26J-7C
(No thermometer)
SPST, Energy Conservation Cooling
model, min. setting 75°F (24°C)
None
T26J-9C
(No thermometer)
SPST, Energy Conservation Cooling
model, min. setting 78°F (26°C)
2 (1.1) 1.0
T26
T25
T22