Specification Sheet

Features
n Powerful, 1/3 HP Permanent Split Capacitor
(PSC) motor for high starting and running torque,
with low amp draw to conserve electrical energy
n Recessed, vortex impeller made of tough,
engineered composite material to reduce clogging;
will pass 3/8" diameter spherical solids
n Bearings: Upper sintered sleeve bearing and
lower ball bearing for extended motor life
n Mechanical seal (stainless steel spring, nitrile
parts, carbon and ceramic faces) to assure
maximum protection against pump failure
n Rugged cast iron pump housing with epoxy
coating for corrosion resistance
n Choice of automatic operation:
• Diaphragm pressure switch
• Vertical mechanical switch
• Wide angle float switch
n Oil-filled motor housing for lifetime bearing
lubrication and maximum heat dissipation
n Stainless steel fasteners to protect against
corrosion
n Thermal overload protection
Energy-Saving Series
Submersible Sump/Effluent Pumps
The new ES33 models are energy-saving, high
performance, fully submersible sump/effluent pumps,
designed for the professional plumbing contractor.
The powerful 1/3 HP PSC motor delivers 40 GPM
@ 10' TDH, while drawing only 5.0 full load amps,
conserving electrical energy. The ES33 models are
designed, manufactured and tested in accordance with
Little Giant’s demanding standards, and are backed
by Little Giant’s premier customer service.
ES33 Models
ES33D
ES33WES33V
ES33M