We are on a well system for our water and there is a centrifugal sand seperator mounted above ground by the pump housing to remove sugar sand that sometimes comes up from the well with the water. We need to keep the sand out to avoind it building up in household fixtures and sprinkler heads - but in addition to it being an eyesore (the well is in the front yard) it is a nusaince to keep it from freezing in the winter. Are there any better methods to protect our home and sprinklers from sand?