Spec Sheet

Basement sumps, dewatering, light
effluent, water transfer
CAST IRON SUBMERSIBLE SUMP PUMPS
MYERS
®
MCI033/MCI050
APPLICATIONS
The Myers MCI033 and MCI050
are rugged cast iron sump pumps
featuring a vortex impeller that
provides solids-handling
capability up to 1/2”. Product is
available in 1/3 HP and 1/2 HP,
115 Volt single phase 60 Hz.
Pump discharge is 1-1/2” NPT.
2-pole float switch for minimum
10” diameter sumps. Manual
models also available.
Capacities – MCI033 - 48 GPM (182 LPM)
MCI050 - 62 GPM (235 LPM)
Shut-off Head – 24’ (7.3 m)
Operation – On: 9” (229 mm)
Off: 4” (102 mm)
Operation – Automatic or manual
Solids Handling – 1/2” (12.7 mm)
Liquids Handling – Drainage effluent
Continuous Liquid Temperature –
130°F (54°C)
Motor Electrical Data – 1/3 HP, 9.8A; 1/2
HP, 12A; shaded pole with thermal
overload protection, 115V, 1Ø,
60Hz, 1550 RPM
Acceptable pH Range – 6-9
Shaft Seal – Carbon and ceramic
Housing/Volute – Heavy cast iron
Volute Base – Fiberglass reinforced
polypropylene
Impeller – Fiberglass-reinforced Noryl
®
with threaded brass insert
Exterior Hardware – Stainless steel
Power Cord – 10’ (3 m), 16/3, SJTW-A,
SJTW
Discharge, NPT – 1-1/2” (50.8 mm)
Min. Sump Diameter – 10” (25.4 cm)
SPECIFICATIONS
Easy Fit
2-pole switch design allows for
operation in sump diameters of
10” or more
Reliable and Tough
Rugged, oil-cooled motor provides
continuous bearing lubrication and
maximizes heat dissipation
Extended Service
Lubricated ball bearings and shaft
seal for longer service life
Eliminates Failures
Shaded pole motor eliminates failure-
prone switches and relays
Motor Protection
Long-life carbon/ceramic seal
protects motor against water leakage
Thermal Overload
Heat sensor overload protection with
automatic reset when motor cools to
safe operating temperature
No Drilling Required
Anti-airlock hole in base reduces
added labor
Easy Serviceability
Pump, intake screen volute base,
switch and power cord are serviceable
FEATURES
ORDERING INFORMATION
Approx.
Catalog Phase/ Discharge Switch Cord Wt.
Number HP Volts Cycles Amps Size Type Length Lbs.
MCI033 1/3 115 1/60 9.8 1-1/2" 2-pole 10', 20', 30' 24
MCI050 1/2 115 1/60 12 1-1/2" 2-pole 10', 20', 30' 26
MCI033M 1/3 115 1/60 9.8 1-1/2" Manual 10', 20', 30' 22
MCI050M 1/2 115 1/60 12 1-1/2" Manual 10', 20', 30' 24
3 YEAR
WARRANTY