Description
The Crandall TK-1001-0-CSS Pneumatic Room Thermostat 55–85°F is a two-pipe, direct-acting control device designed for precise environmental control in pneumatic HVAC systems. This thermostat uses a highly sensitive bimetal sensing element and a pilot-operated relay to provide stable proportional control of dampers, valves, and actuators based on room temperature. Calibrated for a 55 °F to 85 °F range, it helps maintain comfortable indoor conditions while minimizing control overshoot. Ideal for HVAC technicians and controls contractors, it supports dependable pneumatic control in schools, offices, and other commercial settings.
Key Features
- Two-pipe direct-acting pneumatic room thermostat calibrated for 55–85 °F temperature control
- Proportional control using a sensitive bimetal element and pilot-operated relay
- Adjustable setpoint with serrated thumb wheel for fine tuning comfort levels
- Designed for stable and repeatable pneumatic control response
- Supports reliable integration with pneumatic dampers and actuator control logic
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