Zoeller N53 Series Sump Pumps

Float-operated, submersible, 2-pole mechanical switch and 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
Major width: 10-3/32" (26.2 cm)
Major height: 10-1/16" (25.6 cm)
Watertight and dust-tight

Model 53 Specific Features

Cast iron switch case, motor and pump housing
Engineered thermoplastic base
Engineered, glass-filled, plastic impeller with metal insert
Stainless steel guard and handle
Cast iron sleeve bearings

Specifications

Motor: 3/10 HP
Voltage: 115 or 230 V
Phase: 1 Ph
Hertz: 60 Hz
RPM: 1550 RPM
Type: Shaded pole
Insulation: Class B
Amps: 4.8 – 9.7 Amps
Operation: Automatic or nonautomatic
Auto On / Off Points: 7-1/4″ / 3″ (18.4 cm / 7.6 cm)
Discharge Size: 1-1/2″ NPT
Solids Handling: 1/2″ (12 mm) spherical solids
Cord Length: 9′ (3 m) auto, 15′ (5 m) nonauto
Cord Type: UL listed, 3-wire cord and plug
Max Head: 19.25′ (5.9 m)
Max Flow Rate: 43 GPM (163 LPM)
Max Operating Temperature: 130 °F (54 °C)
Cooling: Oil filled
Motor Protection: Auto reset thermal overload
Cap: Cast iron or bronze
Motor Housing: Cast iron or bronze
Pump Housing: Cast iron or bronze
Base: Cast iron, bronze or engineered thermoplastic
Upper Bearing: Sleeve bearing
Lower Bearing: Sleeve bearing
Mechanical Seals: Carbon and ceramic
Impeller Type: Non-clogging vortex
Impeller: Plastic, cast iron or bronze
Hardware: Stainless steel
Motor Shaft: AISI 1215 cold roll steel
Gasket: Neoprene

Notes
The sizing of effluent systems normally requires variable level float(s) controls and properly sized basins to achieve required pumping cycles or dosing timers with non automatic pumps.

Reserve Powered Design.
For unusual conditions a reserve safety factor is engineered into the design of every Zoeller pump.

PEZSK20150

Collection: Sump / Sewage Pumps

Filter products

Brand

Type

Price

Collection

53-0001 - M53 Series Automatic Cast Iron Sump Pump, 115V, 1/3 HP

53-0002 - N53 Series Non-Automatic Cast Iron Sump Pump, 115V, 1/3 HP