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Robert RiceAug 14, 2025
What to do if my Waterous PB18 has insufficient capacity?
- WWhitney JohnsonAug 15, 2025
If your Waterous Water Pump has insufficient capacity, the issue could stem from several causes. These include insufficient engine power (check the engine according to the manufacturer's instructions), worn pump impeller or wear rings (replace if clearance exceeds 0.020/0.025 in. or if impeller hubs are scored), a debris-fouled intake strainer or impeller vanes (remove debris and pressure backwash), a defective intake hose (replace if the inner liner is rough), an undersized intake hose (use a larger hose, especially at higher lifts or altitudes), or an excessively long intake hose (position the pump closer to the water supply).
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