FS4-3J
FS4-3 General purpose flow switch
FS4-3J FS4-3 w/BSPT connections
FS4-3-RPT FS4-3 w/test button
FS4-3Z FS4-3 w/ANSI terminal connections
FS4-3A FS4-3 w/tamper-proof cover screws
FS4- 3D FS4-3 w/2 SPDT switches
FS4-3S FS4-3 w/SS body, monel bellows
FS4-3SJ FS4-3S w/BSPT connections
FS4-3DS FS4-3S w/2 SPDT switches
FS4-3-5R FS4-3 w/5 second DOB
FS4-3-20 FS4-3 w/20 second DOM
FS4-3J-E FS4-3J-CE conformance rated
FS4-3D-E FS4-3D-CE conformance rated
FS4-3S-E FS4-3S-CE conformance rated
FS4- 3F FS4-3 for fire sprinkler service
FS4-3F-20 FS4-3F w/20 second DOM
FS4-3DF FS4-3F w/2 SPDT switches
FS4-3DF-20 FS4-3F w/20 second DOM, 2 SPDT switches
FS4-3T1-3?4 3?4" NPT body - high flow rate
FS4-3T2-3?4 3?4" NPT body - medium flow rate
FS4-3T3-3?4 3?4" NPT body - low flow rate