30 in stock (can be backordered)



30 in stock (can be backordered)


The TK-1001-CS&S and TK-1101-CS&S Series Pneumatic Room Thermostats are designed for proportional control of pneumatic devices and actuators in environmental control systems. These two-pipe thermostats incorporate a highly sensitive bimetal thermostatic element and a pilot operated relay with pneumatic feedback for accuracy and stability over the entire operating range.

These thermostats have a serrated thumb wheel for setpoint adjustment under a beige cover with a 55 to 85 °F thermometer. The TK-1001-CS&S is a direct-acting Thermostat. The TK-1101-CS&S is a reverse acting Thermostat.

Weights & Dimensions: Unit – 4-3/8” H X 2-7/8” W X 1-5/8” D
Package – .89#, 5-1/2” X 3-3/4” X 3-3/4”


OEM Part Number Supplier Replaces
TK-1101-CS&S Schneider Electric TK-1101

Crandall Stats and Sensors is the OEM manufacturer of the TK-1101 and TK-1001 sold by Schneider and others. These products are proudly manufactured by Crandall Stats and Sensors, Inc. in Machesney Park, Illinois, USA.

*See Returns and Refunds Policy

⚠ WARNING: Cancer and Reproductive Harm. For more information, go to


Weight 1.05 lbs
Dimensions 4 × 6 × 4 in

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