Flow switch working principle.
Flow switch operation.
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Dwyer models provide a complete system for leak detection and feature a selectable no or nc operation.
How to troubleshoot flow switch operation by donna armstrong hunker may earn compensation through affiliate links in this story.
Thermal flow switches are sensors with an electrical contact output at a specific flow rate.
The trip signal will indicate to the pump to turn on or turn off.
Always turn the spa off before working on it.
The electrical current in a hot tub or spa can cause injury or electrocution.
Applications include chillers hot water heaters and liquid transfer systems.
Flow switches are mechanical devices used in controlling the flow of air steam or liquid.