Onga Signature 2000 Borehole Pump

The impeller stack is of a floating design, so that individual impellers can move vertically to allow small solids to pass through, rather than locking up the pump. Impeller bearings use a ceramic material to grind down sand or other particles that are trapped in the pump, allowing them to pass through. The pump is far less susceptible to clogging up and locking, meaning that Sta-Rite Signature 2000 keeps delivering water long after other pumps have given up.

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