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Description
The 2214 Series Pneumatic Room Thermostats are designed for applications requiring separate control points due to varying occupancy or seasonal loads. They are particularly well suited to day/night control in buildings such as schools and hospitals.

These thermostats have a serrated thumb wheel for setpoint adjustment. They utilize dual bimetals and are available in both direct and reverse acting models. One temperature (day) is controlled when the main pressure is 15 to 17 psig, and the other temperature (night) is controlled when the main pressure is 21 to 25 psig. Both control points are adjustable and either may be set to control higher or lower than the other, using a ball feedback system and a 2:1 relay. 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.
  • Separate factory-calibrated night bimetal and setpoint dial, with fixed 4°F night throttling range for accurate "night" operation.
  • Snap-acting (not gradual) changeover from "day" to "night" operation and vice versa.
  • 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):
50°F - 85°F
Action:
Reverse Acting
Max Pressure (PSI):
30
Day:
55 to 85°F
Night:
50 to 80°F
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