shurflo 4008 water pump won't shut off automatically
I am sanitizing my water system and I noticed my water pump is not shutting off. I purged the lines of air and I know the water heater is full. The manual says i may need to turn the switch screw counterclockwise to lower the pressure at which the pump will auto shut-off. The manual does not point out the switch screw or by-pass screw so I can't adjust them if I wanted to. Please help.
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