Pneumatic Relays

26 of 26 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...

  • 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...

  • 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...

  • RP922A1007/U

    Honeywell

    RP922A1007/U

    Overview A three-port pneumatic potentiometer can sum and average two input pressures, be a flow restriction, or be an adjustable pressure supply. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell...

  • RP913A1008/U

    Honeywell

    RP913A1008/U

    Overview A diaphragm logic pressure selector selects the highest/lowest branch pressure input from zone thermostats to operate final control elements in pneumatic control applications. Replacements available for Johnson, Powers, Robertshaw, and...

  • RP818B1010/U

    Honeywell

    RP818B1010/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...

  • RP818B1002/U

    Honeywell

    RP818B1002/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...

  • RP818A1004/U

    Honeywell

    RP818A1004/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...

  • RP670B1074/U

    Honeywell

    RP670B1074/U

    Overview Pneumatic relays block, divert, or bleed pneumatic air lines when pilot pressure is changed between values. Commonly applied in Day-Night, Summer-Winter, Start-Stop, On-Off-Auto and other multiple condition systems. Features Available with...

  • RP670B1066/U

    Honeywell

    RP670B1066/U

    Overview Pneumatic relays block, divert, or bleed pneumatic air lines when pilot pressure is changed between values. Commonly applied in Day-Night, Summer-Winter, Start-Stop, On-Off-Auto and other multiple condition systems. Features Available with...

  • RP670B1009/U

    Honeywell

    RP670B1009/U

    Overview Pneumatic relays block, divert, or bleed pneumatic air lines when pilot pressure is changed between values. Commonly applied in Day-Night, Summer-Winter, Start-Stop, On-Off-Auto and other multiple condition systems. Features Available with...

  • RP670A1019/U

    Honeywell

    RP670A1019/U

    Overview Pneumatic relays block, divert, or bleed pneumatic air lines when pilot pressure is changed between values. Commonly applied in Day-Night, Summer-Winter, Start-Stop, On-Off-Auto and other multiple condition systems. Features Available with...

  • RP670A1001/U

    Honeywell

    RP670A1001/U

    Overview Pneumatic relays block, divert, or bleed pneumatic air lines when pilot pressure is changed between values. Commonly applied in Day-Night, Summer-Winter, Start-Stop, On-Off-Auto and other multiple condition systems. Features Available with...

  • RP471A1002/U

    Honeywell

    RP471A1002/U

    Overview The four port, snap acting relay, converts a proportional air pressure change, from a controller to a positive (two-position) pressure change. It can also divert a supply line to one of two branches. Features Manually adjustable switching...

  • RP470B1001/U

    Honeywell

    RP470B1001/U

    Overview Three-port relays are used in HVAC systems, to perform a variety of relay functions, such as; transmit the higher of two input signals, lock out one pressure signal when a second signal is higher, or transmit the lower of two pressure signals...

  • RP418B1071/U

    Honeywell

    RP418B1071/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...

  • RP418B1055/U

    Honeywell

    RP418B1055/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...

  • RP418B1030/U

    Honeywell

    RP418B1030/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...

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