Spec Sheet

CENTRIFUGAL - SINGLE PHASE
Motor Protection
All models provide built-in thermal overload protection that
shuts down the pump when operating temperature becomes
too high, and automatically restarts once the motor cools and
a proper temperature is met.
Quality and Safety
ST Series Single Phase Pumps are in accordance with
ISO9001 Quality Management System standard. Also, all
Single Phase models carry the Underwriters Laboratories (UL)
Listing for compliance with both U.S. or Canadian electrical
safety codes.
Designed for hard industrial pumping
applications. Unique strainer permits
dewatering levels down to 1/16”.
Features oil-filled dual shaft seals,
aluminum housing, streamline shape,
powerful 115V motor, internal thermal
protection, and UL/CUL listings.
ST2038P
2" NPT Discharge
60 GPM - 38' HEAD
This highly portable, lightweight pump
is a great choice for flooded rooms,
flat roofs, fill tanks, basins, fountains
and waterfalls. Features include hardy
thermoplastic casing, stainless steel
fitting, internal overload protection, full
oil lubricated shaft seals, and UL/CUL
listings.
SS233
2” NPT Discharge
60 GPM - 20' HEAD
Popular, and versatile, the ST2037
is a low maintenance pump that is
designed for long hard industrial
pumping applications. Features
include oil-filled dual shaft seals,
aluminum housing, streamline shape,
powerful 115V motor, internal thermal
protection, and provides UL/CUL
listings.
ST2037
2" NPT Discharge
73 GPM - 37' HEAD
Slim design and proven
performance, this 2HP 230V pump
de-waters surfaces down to ½” and
handles fluids up to 140° F. Features
include double mechanical oil-filled
seals, internal thermal protection,
& sealed ball bearing assembly.
The pump offers a ductile iron
impeller, insulated aluminum casing,
50’ power cable with strain relief,
assembly, and provides a convenient
carrying handle.
ST3020BCUL
3" NPT Discharge
170 GPM - 72' HEAD
The Yellow Submarine is lightweight,
compact and is a great choice for
light duty jobs found around the shop
or home. One piece polymer pump
casing resists corrosion and heat.
Features internal overload protection,
dual shaft seals, and UL/CUL listings.
YELLSUB
33 GPM - 15’ HEAD
3/4” GHT and
1 1/4” NPT Discharge
This time tested pump is the
contractors choice for tough
demanding applications. The
engineered design provides superior
performance in a compact package.
Trusted powerful 115V motor, low
maintenance requirements, thermal
protection, and UL/CUL listings.
All MQ 115V 1Ø pumps are designed
with internal thermal overload
protection and do not require extra
electrical protection, however, the CB3
Control Box is offered for convenient
ON/OFF/AUTO and float switch
operations. The CB3 comes with two
SW1WOPA float switches.
The pump model ST3020BCUL provides its
own internal thermal overload protection,
however, the 230V 1Ø CB6 Control Box is
offered for convenient ON/OFF/AUTO and
float switch operations. The CB6 comes
standard with two SW1WOPA float switches.
ST2047
2" NPT Discharge
87 GPM - 47' HEAD
2