Pneumodular Electric- Pneumatic Relay, 24 Vac, DPDT Switching, Coil De-energized: C and NO are Connected, C2 and NO2 are Connected, Coil Energized: C and NC are Connected, C2 and NC2 are Connected, 20 to 25 Psig Main Air Pressure, 60 Scfh Air Capacity, 29 Scim Air Consumption, Barbed Nipples for 1/4" O.D. or 5/32" I.D. Tubing

Pneumodular Electric- Pneumatic Relay, 110 Vac, DPDT Switching, Coil De-energized: C and NO are Connected, C2 and NO2 are Connected, Coil Energized: C and NC are Connected, C2 and NC2 are Connected, 20 to 25 Psig Main Air Pressure, 60 Scfh Air Capacity, 29 Scim Air Consumption, Barbed Nipples for 1/4" O.D. or 5/32" I.D. Tubing

Pressure Selector Relay, Transmits Lower of Two Input Signals, 20 Psig Main Air Operating Pressure, 29 SCIM @ Main Port, 1.5 SCIM @ Signal Port, Nipples for 1/4" O.D. Tubing

Pressure Selector Relay, Transmits Higher of Two Input Signals, 20 Psig Main Air Operating Pressure, 29 SCIM @ Main Port, 1.5 SCIM @ Signal Port, Nipples for 1/4" O.D. Tubing

Pneumodular Pressure Selector (Low) and Volume Booster Relay, Proportional Output may be Advanced or Retarded ± 5 Psig, 20 Psig Main Air Operating Pressure, 8 SCFH Air Capacity, 29 SCIM Air Consumption ( when used as a Volume Booster ), Barbed Nipples for 1/4" O.D. or 5/32" I.D. Tubing

Pneumodular High Pressure Selector, 20 Psig Main Air Operating Pressure, 8 SCFH Air Capacity, Barbed Nipples for 1/4" O.D. or 5/32" I.D. Tubing

Multi Input High and Low Selector Relay, Selects the Highest and/or Lowest of 6 Input Signals, Proportional Action, 20 Psig Main Air Operating Pressure, 0.5 SCFH @ HI Output Port, 1.0 SCFH @ LO Output Port, 1.5 SCFH Air Consumption

Air Motion Relay, Minimum 0.15" W.C., Used to Sense Suction and/or Discharge Pressures, 15Psig- 30 Psig Air Pressure, Lo and Hi Ports: Use 3/8" O.D. Tubing Signal use 1/4" O.D. Tubing, .49 SCIM Air Use