Category Products

  • SKU: MH1146
  • 1 in stock
  • Ships within 10 business days

McDonnell & Miller model number FS4-3RP-T is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $176.48
Regular Price: $199.50

  • SKU: MH1146B
  • Ships within 10 business days

McDonnell & Miller model number FS4-3S is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $406.68
Regular Price: $459.73

  • SKU: MH1148
  • 2 in stock
  • Ships within 10 business days

McDonnell & Miller model number FS4-3D is a 120 volt, double pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1148A
  • Ships within 10 business days

McDonnell & Miller model number FS4-3-DS is a 120 volt, double pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $475.74
Regular Price: $537.80

  • SKU: MH1150
  • Ships within 10 business days

McDonnell & Miller model number FS4-3T is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1150A
  • Ships within 10 business days

McDonnell & Miller model number FS4-3T1-1 is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1150B
  • 1 in stock
  • Ships within 10 business days

McDonnell & Miller model number FS4-3T2-3/4" is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1150C
  • Ships within 10 business days

McDonnell & Miller model number FS4-3T2-1" is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1150D
  • 1 in stock
  • Ships within 10 business days

McDonnell & Miller model number FS4-3T3-1" is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1151
  • Ships within 10 business days

McDonnell & Miller model number FS4-3T3 is a 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $211.02
Regular Price: $238.54

  • SKU: MH1145
  • 6 in stock
  • Ships within 10 business days

McDonnell & Miller model number FS4-3 is a 1" NPT, 120 volt, single pole, double throw, snap liquid flow switch for universal general purpose applications for starting and stopping electrical operation equipment such as signals, alarms, motors, automatic burners, and metering devices.

Online Price: $130.45
Regular Price: $147.47

Category Information