The #Hidrostal #PreroClean is a highly effective self-cleaning #pump sump system for removing floating layers and solids that have settled in standardised wastewater shafts. The core component of the PreroClean system is the proven #blockagefree Hidrostal #screwcentrifugalpump which is mounted into a preformed contoured basin. The basin’s special contouring along with the impeller rotation creates a swirling motion that collects and cleans debris from the sump. The ‘full-emptying’ approach avoids any of the odour and accumulation problems associated with conventional systems. This repeated cleaning effect also means that PreroClean’s efficiency & flow remain optimal, whilst other systems diminish over time.

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