Pneumatic Relays

34 of 34 Items
  • RP418B1022/U

    Honeywell

    RP418B1022/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1107/U

    Honeywell

    RP418A1107/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1099/U

    Honeywell

    RP418A1099/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1081/U

    Honeywell

    RP418A1081/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1073/U

    Honeywell

    RP418A1073/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1065/U

    Honeywell

    RP418A1065/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1057/U

    Honeywell

    RP418A1057/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP418A1008/U

    Honeywell

    RP418A1008/U

    Overview Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as...

  • RP975A1003/U

    Honeywell

    RP975A1003/U

    Overview A three-port hesitation relay provides minimum outside air damper position plus controlled ventilation for large volume unit ventilators. Replacement devices are available for Johnson, Powers, and Barber-Colman devices. Features Manually...

  • RP973A1005/U

    Honeywell

    RP973A1005/U

    Overview A three-port relay averages the signals from two thermostats to control a single device such as a heating coil valve for a multizone unit. Replacements available for Johnson, Powers, Robertshaw, Barber-Colman, and olderHoneywell models...

  • RP972A1006/U

    Honeywell

    RP972A1006/U

    Overview RP972 is a modulating relay suitable for all types of heating and air conditioning control systems, to reverse and increase the capacity of branchline pressure to an element. The output varies inversely with the input with an adjustable offset...

  • RP971A1031/U

    Honeywell

    RP971A1031/U

    Overview Pneumatic relay produces a modulating pressure output, and controls pneumatic valve or damper actuators in sequence from a single thermostat. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices...

  • RP971A1023/U

    Honeywell

    RP971A1023/U

    Overview Pneumatic relay produces a modulating pressure output, and controls pneumatic valve or damper actuators in sequence from a single thermostat. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices...

  • RP971A1015/U

    Honeywell

    RP971A1015/U

    Overview Pneumatic relay produces a modulating pressure output, and controls pneumatic valve or damper actuators in sequence from a single thermostat. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices...

  • RP971A1007/U

    Honeywell

    RP971A1007/U

    Overview Pneumatic relay produces a modulating pressure output, and controls pneumatic valve or damper actuators in sequence from a single thermostat. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices...

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