Mcdonnell & Miller FS7-4SW

Mcdonnell & Miller

Switch, Liquid Flow

FS7-4SW 68534
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TypeIndustrial/Heavy-duty Switch
Min. Flow Rate (GPM)4.8
Max. Flow GPM7.7
Connection Size (In.)1 1/4 MNPT
Switch EnclosureNEMA 4X
Min. Ambient Temp. (F)-65
Min. Fluid Temp. (F)-65
Max. Fluid Temp. (F)300
Max. Pressure (PSI)1000
Switch TypeSingle Pole Double Throw Snap Switch
Wetted MaterialsS/S, PTFE
Application Large Pipe Applications Including Heating and Hydronic Systems, Air-conditioning, Refrigeration and Process Work, Water-tight, Dust-tight Applications
Weight 11.650000


Industrial/Heavy-duty Switch, Min. Flow Rate 4.8 GPM, Max. Flow GPM 7.7, Connection Size (In.) 1 1/4 NPT, Switch Enclosure NEMA 4X, Min. Ambient Temp. -65 F, Min. Fluid Temp. -65 F, Max. Fluid Temp. 300 F, Max. Pressure 1000 PSI, Switch Type Single Pole Double Throw Snap Switch, Voltage 120/240

Air and Liquid Flow Switches
  • Additional flow range information is available on , or call your local branch.
  • Single-pole, double-throw snap switch Sensitivity flow adjustment screw 120/240VAC operation Full load amps: 7.4 at 115V, 3.7 at 230V
  • Liquid Flow Industrial/Heavy-Duty
  • Designed for large pipe applications, including heating and hydronic systems, air conditioning, refrigeration, and process work. Paddles can be trimmed to suit. Fit 2" to 16" pipe with flow rates up to 998 gpm.

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