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| Best Seller  | GEMS SENSORS FS-550, 29609 1" MNPT SPDT Liquid Flow Switch 24V-240V AC/DC 15 to Liquid Flow Switch, Ambient Temperature - Maximum 300 Degrees F, Ambient Temperature - Minimum -30 Degrees F, Connection Size 1 in, Connection Type NPT, Contact Rating (DC) 20 V, Flow Rate - Maximum 52 gpm, Flow Rate - Minimum 15 gpm, Flow Switch Type... ... more
GEMS SENSORS FS-550, 29609 1" MNPT SPDT Liquid Flow Switch 24V-240V AC/DC 15 to Liquid Flow Switch, Ambient Temperature - Maximum 300 Degrees F, Ambient Temperature - Minimum -30 Degrees F, Connection Size 1 in, Connection Type NPT, Contact Rating (DC) 20 V, Flow Rate - Maximum 52 gpm, Flow Rate - Minimum 15 gpm, Flow Switch Type... | go to store |
 | GEMS SENSORS RFS, 155485 1/2" FNPT SPDT Liquid Flow Switch 24VDC 1.5 to 20 gpm Liquid Flow Switch, Ambient Temperature - Maximum 180 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 1/2 in, Connection Type FNPT, Contact Rating (AC) 45 mA @ 115V (No Load), 95 mA @ 115V (Load - Relay Energized), Contact... ... more
GEMS SENSORS RFS, 155485 1/2" FNPT SPDT Liquid Flow Switch 24VDC 1.5 to 20 gpm Liquid Flow Switch, Ambient Temperature - Maximum 180 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 1/2 in, Connection Type FNPT, Contact Rating (AC) 45 mA @ 115V (No Load), 95 mA @ 115V (Load - Relay Energized), Contact... | go to store |
| Best Seller  | GEMS SENSORS FS-200, 26838 1" FNPT SPDT Liquid Flow Switch 2 to 8 gpm Liquid Flow Switch, Ambient Temperature - Maximum 200 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 1 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 8 gpm, Flow Rate... ... more
GEMS SENSORS FS-200, 26838 1" FNPT SPDT Liquid Flow Switch 2 to 8 gpm Liquid Flow Switch, Ambient Temperature - Maximum 200 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 1 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 8 gpm, Flow Rate... | go to store |
 | GEMS SENSORS FS-380, 193482 3/8" MNPT SPST NO Liquid Flow Switch 0.15 gpm Liquid Flow Switch, Ambient Temperature - Maximum 275 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 3/8 in, Connection Type NPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 0.15 gpm, Flow... ... more
GEMS SENSORS FS-380, 193482 3/8" MNPT SPST NO Liquid Flow Switch 0.15 gpm Liquid Flow Switch, Ambient Temperature - Maximum 275 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 3/8 in, Connection Type NPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 0.15 gpm, Flow... | go to store |
 | GEMS SENSORS FS-400, 26600 3/4" FNPT SPDT Liquid Flow Switch 0.75 to 4 gpm Liquid Flow Switch, Ambient Temperature - Maximum 180 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 3/4 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 4 gpm, Flow... ... more
GEMS SENSORS FS-400, 26600 3/4" FNPT SPDT Liquid Flow Switch 0.75 to 4 gpm Liquid Flow Switch, Ambient Temperature - Maximum 180 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 3/4 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 4 gpm, Flow... | go to store |
 | GEMS SENSORS FS-150, NO, 2.0GPM 1/2" MNPT SPST NO Liquid Flow Switch AC or DC 2 Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 1/2 in, Connection Type NPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 2 gpm, Flow... ... more
GEMS SENSORS FS-150, NO, 2.0GPM 1/2" MNPT SPST NO Liquid Flow Switch AC or DC 2 Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 1/2 in, Connection Type NPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 2 gpm, Flow... | go to store |
 | GEMS SENSORS FS-500, 175117 3/4" FNPT SPST NO Liquid Flow Switch 120-240 Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 3/4 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 2 gpm, Flow Rate... ... more
GEMS SENSORS FS-500, 175117 3/4" FNPT SPST NO Liquid Flow Switch 120-240 Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 3/4 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 2 gpm, Flow Rate... | go to store |
 | GEMS SENSORS FS-380P, 197081 3/8" MNPT SPST NO Liquid Flow Switch 0.25 gpm Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 3/8 in, Connection Type NPT, Contact Rating (DC) 10 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 0.25 gpm, Flow... ... more
GEMS SENSORS FS-380P, 197081 3/8" MNPT SPST NO Liquid Flow Switch 0.25 gpm Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 3/8 in, Connection Type NPT, Contact Rating (DC) 10 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 0.25 gpm, Flow... | go to store |
 | GEMS SENSORS 230500-3-5 1" FNPT NO Flow Switch 24VAC/DC Flow Switch, Ambient Temperature - Maximum 140 Degrees F, Ambient Temperature - Minimum -14 Degrees F, Connection Size 1 in, Connection Type FNPT, Contact Rating (AC) 45 mA @ 30V, Contact Rating (DC) 65 mA @ 42V, Flow Rate - Maximum 0.64 gpm, Flow Rate... ... more
GEMS SENSORS 230500-3-5 1" FNPT NO Flow Switch 24VAC/DC Flow Switch, Ambient Temperature - Maximum 140 Degrees F, Ambient Temperature - Minimum -14 Degrees F, Connection Size 1 in, Connection Type FNPT, Contact Rating (AC) 45 mA @ 30V, Contact Rating (DC) 65 mA @ 42V, Flow Rate - Maximum 0.64 gpm, Flow Rate... | go to store |
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