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Water Flow Switch
The Potter VSR is a vane-type Waterflow switch with a non-corrosive insert for use on wet sprinkler systems.
- The Potter VSR is a vane type water flow switch with non-corrosive insert for use on wet sprinkler systems.
- It is UL Listed and FM Approved for use on steel pipe.
- Non – corrosive sleeve factory installed in saddle
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Gravity Shutters
Gravity Shutters avoids heat loss and entry of wind, rain, and birds. The fins of the shutter are opened by the airflow when the fan is working and they close down by gravity when the fan is switched off.
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