Zoeller M137 Automatic Cast Iron Sump Pump 1/2 HP
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M137 Zoeller Automatic Cast Iron Sump Pump 1/2 HP
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
- Maximum temperature for effluent or dewatering 130°F (54°C) (extra duty 140°F 60°C)
- Passes 5/8" spherical solids
- No screens to clog
- 1-1/2" NPT discharge (1-1/2" x 2" PVC Adapter fitting included with BN & BE Models)
- On point: 10"
- Off point: 2 3/4"
- Simplex and duplex systems packaged systems available
- Variable level control systems available designed for heavy duty effluent applications