Description
Hayward CAX-20203 CAT Rotary Flow Sensor
The rotary flow sensor is used in Hayward’s CAT commercial automation systems to:
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Verify minimum flow before chemical feed
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Protect pumps and chemical injection systems
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Provide real‑time flow data to CAT 1000/2000/4000 controllers
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Prevent dosing when flow is insufficient (critical for commercial code compliance)
It is a moving‑paddle rotary sensor, not a paddle‑switch or magnetic turbine.
