Direct acting, modulating relay provides increased capacity of the branchline pressure to the final control device. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

  • In-line, wall, or panel mounted.
  • Sharp-barb air connections.
  • Molded plastic construction with neoprene diaphragms.
  • Mounting clip provided.

  • Description: Wall, In-Line or panel mounted Pneumatic Capacity Relay
  • Type: Pneumatic Capacity Relay
  • Action: Direct Acting
  • Operation: Provides increased capacity of branchline pressure to final control device
  • Airflow Usage: 0.002 scfm (1.0 mL/s) maximum
  • Air Connections: Barb fittings, Port 1: 1/4 in. (6 mm) O.D. plastic tubing; Other Ports: 5/32 in. (4 mm) O.D. plastic tubing
  • Capacity: 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential)
  • Mounting: Wall or In-line or panel
  • Maximum Safe Operating Pressure (psi): 30 psi
  • Operating Humidity Range (% RH): 5 to 95% RH
  • Temperature Range: 0 F to 140 F
  • Includes: 14003030-001, 1 1/2 in. Mounting Clip for Mounting relay to wall or panel
  • Input Operating Pressure (psi): 0 to 20 psi
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