Zoeller M57-E Cast Iron Sump Pump Good Running Condition

Description

Zoeller M57-E Cast Iron Sump Pump Good Running Condition.
Submersible pump for dewatering (sump) oreffluent (septic tank systems)
Features:
Float operated, submersible (NEMA 6) 2 pole mechanical switch & variable level long cycle systems available
Corrosion resistant powder coated epoxy finish
No sheet metal parts to rust or corrode
Stainless steel screws, switch arm, guard and handle
No screens to clog
Watertight neoprene square ring between motor and pump housing
Solid buoyant polypropylene float
Oil-filled, hermetically sealed, automatic reset thermal overload protected motor
Upper and lower sleeve bearings running in bath of oil
Entire unit pressure tested after assembly
Carbon and ceramic shaft seal
Maximum temperature for effluent or dewatering 130°F (54°C)
Passes 1/2" spherical solids
1-1/2" NPT discharge
On point: 7-1/4", Off point: 3"
Watertight and dust tight
Permanently oiled bearings
Impeller Type: Non-clogging vortex impeller
Reserve Powered Design. For unusual conditions a reserve safety factor is engineered into the design of every Zoeller pump.
Model 57 Specific Features:
Stainless steel guard and handle
Lower and upper bearings, oil fed, cast iron
Cast iron impeller