How to bypass a flow switch

Comments · 140 Views

Running a bypass is a fast way to test the flow switch but is not a solution for a faulty sensor.

How to bypass a flow switch? A flow switch for a pool heater monitors the passage of water through the pipe to the heater. It uses the short piece of wire to connect the two wires you just pulled off that connects the spa to the main control panel. This action bypasses the flow switch and completes the electrical circuit back to the main control panel.