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Home /  Pumps  /  Pump Controls  Remove  /  Flow Switches  Remove

114 Products Found

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Liquid Flow Switch, 2.0 GPM, NO
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Liquid Flow Switch, 2.0 GPM, NO
Item # 4JPJ4
Liquid Flow Switch, Piston, Flow Rate 2.0 GPM, Connection Size (In.) 1/2 MNPT, Switch Enclosure Polypropylene, Max. Fluid Temp. 212 F
GEMS SENSORS
FS-150 NO 2.0GPM
4122Typically in Stock  Help

1
$109.30
  
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Liquid Flow Switch,Paddle,SPDT,20VA
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Liquid Flow Switch,Paddle,SPDT,20VA
Item # 1AKZ6
Liquid Flow Switch, Paddle, Flow Rate 15-48 GPM, Connection Size (In.) 1 MNPT, Min. Ambient Temp. -30 F, Max. Ambient Temp. 300 F
GEMS SENSORS
FS-550 SS
4122Typically in Stock  Help

1
$447.50
  
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Liquid Flow Switch,Rotor,SPDT,35mA/95mA
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Liquid Flow Switch,Rotor,SPDT,35mA/95mA
Item # 1AMB4
Liquid Flow Switch, Rotor, Flow Rate 0.1 to 5.0 GPM, Connection Size (In.) 1/4 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 150 F
GEMS SENSORS
RFS 1/4" NPT BR
4122Typically in Stock  Help

1
$371.75
  
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Switch,Liquid Flow
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Switch,Liquid Flow
Item # 4RC71
Industrial/Heavy-duty, Min. Flow Rate 4.8 GPM, Max. Flow GPM 7.7, Connection Size (In.) 1 1/4 NPT, Switch Enclosure NEMA1, Min. Ambient Temp. 32 F
4115Typically in Stock  Help

1
$709.50
  
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Flow Protector,Booster Pump,115 V
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Flow Protector,Booster Pump,115 V
Item # 1DGZ7
Flow Protector, Max. HP 3/4, 1 Phase, 50/60 Hz, Min. Flow Rate 1 GPM, Connection Size (In.) 1 FNPT Slip PVC, Switch Enclosure NEMA 1
  • This Product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.
DAYTON
1DGZ7
4080Typically in Stock  Help

1
$315.25
  
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Liquid Flow Switch,Piston,SPST,20VA
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Liquid Flow Switch,Piston,SPST,20VA
Item # 1ALY6
Liquid Flow Switch, Piston, Flow Rate 0.5 GPM, Connection Size (In.) 3/8 MNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 275 F
GEMS SENSORS
FS-380 SS 0.5 GPM
4122Typically in Stock  Help

1
$329.25
  
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Liquid Flow Switch,Piston,SPST,20VA
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Liquid Flow Switch,Piston,SPST,20VA
Item # 1ALG8
Liquid Flow Switch, Piston, Flow Rate 0.1 GPM, Connection Size (In.) 1/4 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 200 F
GEMS SENSORS
FS-927 0.1 GPM NC
4122Typically in Stock  Help

1
$156.00
  
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Liquid Flow Switch,Piston,SPST,20VA
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Liquid Flow Switch,Piston,SPST,20VA
Item # 1ALG6
Liquid Flow Switch, Piston, Flow Rate 1 GPM, Connection Size (In.) 1/4 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 200 F, Min. Fluid Temp. -20 F
GEMS SENSORS
FS-927 1.0 GPM NO
4122Typically in Stock  Help

1
$156.00
  
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Switch,Flow
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Switch,Flow
Item # 1RF65
High Sensitivity Switch, Min. Flow Rate 0.12 GPM, Max. Flow GPM 2.5, Connection Size (In.) 3/4 NPT, Switch Enclosure NEMA 4X, Min. Ambient Temp. 32 F
4115Typically in Stock  Help

1
$461.00
  
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Liquid Flow Switch,Piston,SPST,20VA
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Liquid Flow Switch,Piston,SPST,20VA
Item # 1ALG7
Liquid Flow Switch, Piston, Flow Rate 1.5 GPM, Connection Size (In.) 1/4 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 200 F
GEMS SENSORS
FS-927 1.50 GPM NO
4122Typically in Stock  Help

1
$152.75
  
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Liquid Flow Switch,Piston,SPDT,20VA
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Liquid Flow Switch,Piston,SPDT,20VA
Item # 1ALJ9
Liquid Flow Switch, Piston, Flow Rate 250 cc/min, Connection Size (In.) 1/4 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 225 F
GEMS SENSORS
FS-926 BR 250 cc/Min
N/A Typically in Stock  Help

1
$320.75
  
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Flow Switch,1 In MNPT
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Flow Switch,1 In MNPT   New Item
Item # 40G311
Liquid Flow Switch, General Purpose Switch, Max. HP 1, 1 Phase, 60 Hz, Min. Flow Rate (GPM) 2.5, Max. Flow GPM 760, Flow Rate 2.5 to 760
N/A Typically in Stock  Help

1
$253.75
  
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Flow Switch,,5 cm/sec,1 In FNPT
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Flow Switch,,5 cm/sec,1 In FNPT
Item # 20X871
Flow Switch, Thermal Dispersion, Flow Rate 5 cm/sec, Connection Size 1 In FNPT, Max. Ambient Temp. 140 Degrees F, Max. Fluid Temp. 140 Degrees F
4124Typically in Stock  Help

1
$436.75
  
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Liquid Flow Switch,Shuttle,SPDT,20VA
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Liquid Flow Switch,Shuttle,SPDT,20VA
Item # 1ALA9
Liquid Flow Switch, Shuttle, Flow Rate 0.75 to 4.0 GPM, Connection Size (In.) 3/4 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 180 F
GEMS SENSORS
FS-400 0.75-4.0 GPM
4122Typically in Stock  Help

1
$309.00
  
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Liquid Flow Switch,Rotor,SPDT,35mA/95mA
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Liquid Flow Switch,Rotor,SPDT,35mA/95mA
Item # 1AMB7
Liquid Flow Switch, Rotor, Flow Rate 8.0 to 60.0 GPM, Connection Size (In.) 1 FNPT, Min. Ambient Temp. -20 F, Max. Ambient Temp. 150 F
GEMS SENSORS
RFS 1" NPT BR
4122Typically in Stock  Help

1
$379.75
  
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Liquid Flow Switch,Piston,SPST,10VA
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Liquid Flow Switch,Piston,SPST,10VA
Item # 1ALV6
Liquid Flow Switch, Piston, Flow Rate 2 GPM, Connection Size (In.) 3/8 MNPT, Max. Ambient Temp. 212 F, Max. Fluid Temp. 212 F, Max. Pressure 125 PSI
GEMS SENSORS
FS-380P 2.0 GPM
4122Typically in Stock  Help

1
$82.30
  
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114 Products Found

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An efficient flow switch from Grainger can accurately monitor the flow of air, steam or liquid, then send a signal to a pump to turn itself on or itself shut off. Liquid flow switches can be used to help regulate systems such hydronic heating, plumbing, water cooling equipment, liquid transfer, water treatment and more. Air flow switches can be used to help operate cleanroom filter systems, duct type heating, air ventilating and more. Shop Grainger for dependable flow switches!
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Pricing and availability are not confirmed until the order is processed. Promotional pricing and offers associated with this order will only apply if the order is approved within the timeframe of the promotion.
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