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Air & Water Flow

FS-521-Air Flow Switch

The FS-521 paddle switch is intended to monitor air flow within a duct and provides a switched output on detection of either a specific air velocity or flow failure.

From $94.67
FS-541-Liquid Flow Switch

The FS-541 of paddle switch is intended to monitor liquid flow within pipes and provides a VFC output on detection of either a specific flow rate or flow failure. They screw directly into a 1” BSPT boss.

From $102.56