Spec Sheet

1 1/2" NPT
3 1/8”
(7.9cm)
5 15/16” (15.1cm)
4 1/4”
(10.8cm)
3 1/8” (7.9cm)
4” (10.2cm)
11 13/16”
(30.0cm)
3 3/4”
(9.5cm)
SELECTION GUIDE
1. Integraloatoperatedmechanicalswitch,no
 externalcontrolrequired.
2. Singlepiggybackvariableleveloatswitchor
 doublepiggybackvariableleveloatswitch. 
 RefertoFM0477
• Variableleveloatswitchesavailable
• Variablelevellongcyclesystemsavailable
• Alarmsystemsavailable
• Duplexsystemsavailable
CONSULT FACTORY
FOR SPECIAL APPLICATIONS
RESERVE POWERED DESIGN
ForunusualconditionsareservesafetyfactorisengineeredintothedesignofeveryZoellerpump.

CAUTION
All installation of controls, protection devices and wiring should be done by a quali-
ed licensed electrician. All electrical and safety codes should be followed including
the most recent National Electrical Code (NEC) and the Occupational Safety and
Health Act (OSHA).
ForinformationonadditionalZoellerproductsrefertocatalogonPiggybackVariable LevelFloatSwitches,FM0477;ElectricalAlternator,FM0486;
MechanicalAlternator,FM0495;Sump/SewageBasins,FM0487;andSinglePhaseSimplexPumpControl/AlarmSystems,FM0732.
METERS
TOTAL DYNAMIC HEAD
0
2
4
6
40
30
10
20
FLOW PER MINUTE
LITERS
GALLONS
0
80
10
5
15
20
PUMP PERFORMANCE CURVE
FEET
MODEL 72
©Copyright2013ZoellerCo.Allrightsreserved.
Shut-off Head:
Feet
MODEL
5
15
10
1.5
4.6
3.0
Meters
18 ft. (5.5 m)
Liters
38
30
14
Gal.
72
144
53
114
012051A
Single Seal Control Selection
Model Volts - Ph Mode Amps Simplex
 M72 115 1 Auto 3.1 1
 N72 115 1 NonAuto 3.1 2
 BN72 115 1 Auto 3.1 *
*Singlepiggybackswitchincluded.
SK1924
ALL MODELS ARE
COMPLETELY SUBMERSIBLE
HERMETICALLY SEALED
Watertight-dusttight