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...

    $104.37
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  • 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...

    $104.97
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  • 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...

    $101.96
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  • 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...

    $153.15
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  • 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...

    $107.75
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  • 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...

    $119.50
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  • 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...

  • RP970A1008/U

    Honeywell

    RP970A1008/U

    Overview 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. Features...

  • 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...

    $185.99
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  • 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...

    $138.87
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  • 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...

    $128.58
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  • RP670B1017/U

    Honeywell

    RP670B1017/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...

    $134.23
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  • 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...

    $139.50
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  • 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...

  • RP470A1003/U

    Honeywell

    RP470A1003/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...

    $115.44
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  • 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...

    $117.45
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34 of 34 Items