Selection chart - PENN Controls - LIT-1922255 - T22AAA - T22ABC - T22BBC - T22CBC - T22JAA - T22JCC - T22SDA - T22SEB - T22SFB - T22TFB - T25A - T26A - T26J - T26S - T26T - Line-Voltage Thermostat - T22 Line‐Voltage Thermostat - T25 Line‐Voltage Thermostat - T26 Line‐Voltage Thermostat

T22, T25, and T26 Series Line Voltage Wall Thermostat for Heating and Cooling Catalog Page

Brand
PENN Controls
Product name
T22 Line‐Voltage Thermostat
T25 Line‐Voltage Thermostat
T26 Line‐Voltage Thermostat
Document type
Catalog Page
Document number
LIT-1922255
Revision date
2021-09-29
Language
English
Table 1. T22, T25, and T26 Series Line Voltage Wall Thermostat selection chart
Product code number1 Type of adjustment Application Selector switch Differential approximately °F (°C) Shipping weight (lb)
Heating Cooling
Heating
T22AAA-1C Knob Single-pole, single-throw (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, maximum setting 75°F (24°C) None 2 (1.1) 1.0
T26A-15C, no thermometer SPST, energy conservation heating model, maximum 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, minimum setting 75°F (24°C) None
T26J-9C, no thermometer SPST, energy conservation cooling model, minimum setting 78°F (26°C) 2 (1.1) 1.0
Heating and cooling
T22SDA-1C Knob Single-pole, double-throw (SPDT), permits system shutdown at the thermostat Off-Auto 1-3/4 (1) 2-1/4 (1.3) 1.3
T22SEB-1C SPDT, used when the same device controls heating and cooling Heat-Off-Cool
T22SFB-1C2 SPDT, used to control separate loads on heating and cooling
T22TFB-1C2 SPDT, heavy duty, used to control separate loads on heating and cooling 3 (1.7) 3 to 4 (1.7 to 2.2)
T26S-18C3 SPDT None 1-3/4 (1) 2-1/4 (1.3) 1.0
T26T-3C2 SPDT, heavy duty 3 (1.7) 3 to 4 (1.7 to 2.2)
Two-stage
T25A-1C Knob Two SPDT switches: two-stage heating, cooling, or one-stage heating and one-stage cooling None 1-3/4 (1) 2-1/4 (1.3) 1.5
3 (1.7) between stages
T25A-16C Concealed
1 For the thermostat guard, refer to G Series Thermostat and Humidistat Guards Catalog Page (LIT-1922145).
2 To also use the thermostat where one unit provides both heating and cooling, add a jumper between terminals 2 and 3. Refer to Typical Wiring Diagram and Electrical Ratings for Line Voltage Thermostats Catalog Page (LIT-1922600).
3 Includes a faceplate for horizontal mounting. The plate is for on-the-job installation over a vertical plate. You can field-convert to other configurations. The T26S-18 is a universal replacement for Honeywell® T451A, -B, T651A; White-Rodgers 179-1, 180-1, 181-1, 182-101, -102; Robertshaw® TA500, TH71,-72, -79, -500, TX550. T26T-3 replaces: Honeywell T4051A, -B, T6051A; White-Rodgers 151-6, 152-9, 159-3, -5.