Heres what RussM said few months ago about Pulse and Pipeline:
"The slider for some WAV modes like Pulse is not a percentage; it is the period in seconds
Pulse mode does not turn the WAV on & off. Pulse oscillates the WAV between the configured intensity and 1% (not OFF) at the configured periodicity.
Pipeline mode oscillates the WAV between the configured intensity and OFF."
Here's a graph I plotted a while back that shows the approximate RPMs for a few power settings. The FLO numbers are only valid for a 240 gallon system, but the RPM and GPH numbers should be the same for everyone:
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