One- or two-pipe, single temperature, low capacity, pneumatic thermostat used to provide proportional control of pneumatic valves and damper actuators in heating and air conditioning systems. Replacement kits are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell pneumatic thermostats.

  • Durable TP970 series thermostat Pilot operated for high capacity
  • Direct Acting (DA) and Reverse Acting (RA) models are available
  • Three-pipe thermostats are available for unit ventilator applications where the outdoor damper must operate when the thermostat is manually set to day operation
  • Adapter plate in thermostat kits covers existing thermostat watermark
  • Backplate has molded air connections-no separate fittings needed
  • Universal Locking cover with satin chrome finish and horizontal, vertical, or blank window options-other covers available

  • Description: Pneumatic Thermostat Direct Acting
  • Application: Wall Thermostat, Single Temperature
  • Remote Bulb: No
  • Setpoint: Single
  • Action: Direct
  • Number of Pipes: 1 or 2
  • Setpoint Temperature Range: Day: 59 F to 90 F
  • Sensor Element: Bimetal
  • Maximum Safe Operating Pressure: 25 psi
  • Operating Temperature Range (F): 100F Maximum
  • Throttling Range (F): 2 F to 10 F (factory set 4 F)
  • Airflow Usage: 0.011 scfm (5.2 mL/s)
  • Dimensions: 3-1/4 in. high x 2 in. wide x 1-5/8 in. deep
  • Mounting: wall
  • Includes: Thermostat and Satin Chrome Cover
  • Comments: Tradeline Kit. For one-pipe application- order an external .005 in. restriction
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Depth (Inches):
Temperature Range (F):
59 to 90
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