Rheem Housing Crack or Drain Plug Leak

Water leaks from the side of the pump housing or around drain plugs.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Frozen water cracking Rheem pump volute, Loose or missing drain plug O‑rings, Over‑tightened fittings stressing housing, Impact damage to pump body

How to Fix / Troubleshooting

Safety First: Turn OFF power and close valves. Relieve pressure before working on the pump.

  • Inspect drain plugs: Tighten drain plugs by hand and check their O‑rings. Replace O‑rings if flattened or cracked.
  • Locate cracks: Dry the pump body and observe while running to pinpoint the leak source. Hairline cracks may appear as fine wet lines.
  • Temporary repair: For minor, non‑structural cracks, a two‑part epoxy rated for pool use can provide a temporary fix, but replacement is recommended.
  • Replace housing: If the Rheem volute or housing is cracked through, replace the entire housing or wet end assembly to ensure safe operation.
  • Winterize properly: In freezing climates, always drain the pump completely and blow out lines to prevent future freeze damage.
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Repair Difficulty

Medium 3/5

Required Part

Rheem Pump Housing / Volute
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