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Description
The 2211 Series Pneumatic Room Thermostat is designed for proportional control of pneumatic devices and actuators in environmental control systems. These one-pipe thermostats are force-balanced and utilize an external restrictor in the supply line. Their design incorporates a highly sensitive bimetal thermostatic element and a ball valve for pneumatic feedback, which ensures accuracy and stability over the entire operating range.

These thermostats have a serrated thumb wheel for setpoint adjustment. Models are also available with preassembled internal dial stops. Thermostat covers are available in various styles to meet particular requirements. Cover options include models with a setpoint scale and a thermometer, a setpoint scale only, a thermometer only, or blank. An external setpoint adjustment cover is available on some models, or can be field-installed on covers where desired.

Features
  • Factory-calibrated, stainless steel ball-in-seat provides pneumatic feedback for stable, linear operation.
  • Easy-to-use throttling range adjustment and recalibration.
  • Adjustable (patented) bimetal shows actual throttling range in both °F and °C. Adjustable 2 to 12 °F (1 to 6.7 °C)
  • Leak-proof, self-closing branch gauge tap.
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Manuals (1)
Specs
Temperature Range (F):
55°F - 85°F
Action:
Proportional
Reverse Acting
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