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Zoeller Model 53

Features

Epoxy coating

Baked on powder-coated epoxy finish prevents pump body corrosion.

Cord

Sealed water resistant cord with grounded plug for safe operation. UL Listed 3-wire cord plug or UK plug 9 ft. (3 m) standard for automatic, 15 ft. (5 m) standard for nonautomatic. Consult factory for longer available lengths.

Switch guard & handle

Stainless steel hardware (screws, switch arm, guard and handle) for maximum corrosion resistance.

Discharge

1 1/2" (38 mm) NPT discharge meets commercial code requirements.

Cast Iron

Heavy-duty cast iron housing dissipates motor heat for long life.

Motor

4-pole motor. 1550 RPM, oil-filled, hermetically sealed. Built-in automatic thermal overload protects motor from overheating. Also available in 50 Hz.

Automatic switch & switch guard

Float operated, submersible (NEMA 6) 2-pole mechanical switch & variable level long cycle systems available. Vertical space saving switch design is factory tested for reliability. Switch guard design protects float from foreign pit obstructions.

Impeller

Bottom suction vortex impeller design helps prevent clogging. Engineered, glass-filled, plastic impeller with metal insert. Available with cast iron impeller option.

Shaft seal

Carbon & ceramic shaft seal protects against heat and oil leak failures.

Float

Solid bouyant polypropylene float for reliable on-off operation.

Bearings

Upper and lower bearings for quiet, smooth operation.

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Applications

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Model 53 Cast Iron Series

Ideal for sump, effluent and dewatering applications. Performance is 43 gallons per minute at 5' TDH. Maximum temperature for effluent or dewatering is 130°F (54°C). Preset on and off points.

Model 53 Cast Iron Series
Inside
Impeller
60 Hz Total Dynamic Head/Flow
60 Hz Dimensional Data
60 Hz Performance Curve
50 Hz Total Dynamic Head/Flow
50 Hz Dimensional Data
50 Hz Performance Curve
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Specs

Material

Cast Iron

Voltage

115 / 220 / 230 V

Phase

1

Mode

Automatic (Non-automatic optional)

Current

9.7 A

Input kw

0.7

Listings

60 Hz:  CSA and UL

50 Hz:  CE

Discharge

1 1/2 " (38 mm) NPT

On Point

7 1/4" (185 mm)

Off Point

3" (77 mm)

Max. Temperature

130 degrees F / 54 degrees C

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