Zoeller Automatic Cast Iron Sump Pump 1/2 HP

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Effluent or dewatering submersible pump for septic tank, low pressure pipe (LPP) and enhanced flow STEP systems. Castings - Model 137, all cast iron ASTM class 25, 2500# tensile strength. Corrosion resistant powder coated epoxy finish Durable cast iron construction - switch case motor and pump housing, base and impeller Float operated 2 pole mechanical switch (automatic units only) No sheet metal parts to rust or corrode Oil filled and hermetically sealed, automatic reset thermal overload protected (1 Ph) motor Upper and lower sleeve bearings running in bath of oil Carbon and ceramic shaft seal Stainless steel screws, bolts, guard, handle, arm and seal assembly (Price subject to change without notice. Check stock before order)