Pneumatic Thermostat Reverse Acting, Heating (Day/Night Setpoint) Zoom

Pneumatic Thermostat Reverse Acting, Heating (Day/Night Setpoint)


Brand: Honeywell

Qty Price
/ each
In Stock! Ships in 24-48 Hours
(4 Available)



Mount: Vertical
Height: 3-1/4"
Width: 2"
Depth (Inches): 1-5/8"

Description for Honeywell TP971B2019

Pneumatic thermostat with night setback 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 two-pipe 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 Reverse Acting Heating
  • Application: Wall Thermostat, Day/Night operation
  • Remote Bulb: No
  • Setpoint: Day/Night
  • Action: Reverse Acting Heating, two temp
  • Number of Pipes: 2
  • Setpoint Temperature Range: Day: 59 F to 90 F, Night: 50 F to 80 F
  • Sensor Element: Bimetal
  • Changeover Pressure: Day 16 psi, Night 21 psi
  • Maximum Safe Operating Pressure (psi)
  • 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
  • Note: Order Cover Separately

Pneumatic Thermostat Reverse Acting, Heating (Day/Night Setpoint)

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