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Pneumatic Manual Switch


Manual or minimum position pressure regulator

  • Product Info
  • Literature


Manually position a remote damper actuator or reset the setpoint of a pneumatic controller. They can also provide minimum damper position. Replacement kits are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell switches.


  • Two spans available as shipped. Six spans with breakaway stops on knob.
  • Pilot bleed and isolated pilot models available.
  • Wall or panel mounting.

Product Specifications

Manual Pressure Regulator
Airflow Usage
0.022 scfm (9.8 mL/s)
Dimensions (in.)
1 1/2 in. diameter x 3 in. deep
Dimensions (mm)
38 mm diameter x 76 mm deep
Maximum Safe Operating Pressure (psi)
30 psi, maximum
Maximum Safe Operating Pressure (kPa)
207 kPa, maximum
Temperature Range (F)
0 F to 140 F
Temperature Range (C)
-18 C to +60 C
Knob, 0 to 100% scale plate and locknuts
The setpoint knob normally rotates 188 degrees. Two breakaway stops on the knob allow rotation of 244 degrees and 300 degrees.
Panel or Wall
Operating Humidity Range (% RH)
5 to 95% RH
Pressure Range (psi)
Output Span--5 psi with 188 degree knob rotation, 6.5 psi with 244 degree knob rotation and 8 psi with 300 degree knob rotation
Pressure Range (kPa)
Output Span--34 kPa with 188 degree knob rotation, 45 kPa with 244 degree knob rotation, and 56 kPa with 300 degree knob rotation
Switch Operation
Used to manually position a remote damper actuator or reset setpoint of pneumatic controller
Switch Type
Four-port pneumatic manual switch with isolated pilot chamber
Air connections
Barb fitting for 5/32 in. (4 mm) O.D. plastic tubing
0.021 scfm (9.4 mL/s)