Lingxiao Circulation Pump [LX WE10, 115V, 3450 RPM, 1.6A, 3 4" Barb] (WE10 115V) partypool Flow switches like this are Flow switches like this are useful where system protection depends on confirming that water is moving before operation continues Restoring the diffuser can help improve the overall feel and completeness of the repair rather than leaving a compromised internal hydraulic part in place A pump like this is useful because it restores dependable water movement in systems that rely on a compact circulation pump rather than a larger wet end or high head design This model is especially useful where a system was built around the WE10 format and flexible 3 4 inch barb plumbing connections