Brochure
1 1/2" - 11 1/2 N.P.T.
3 1/85 15/16
4 1/4
3 1/8
4
11 13/16
3 3/4
SELECTION GUIDE
1. Integral fl oat operated mechanical switch, no
external control required.
2. Single piggyback variable level fl oat switch or
double pig gy back variable level fl oat switch. Refer
to FM0477.
• Variable level Float Switches available.
• Variable level long cycle systems available.
• Alarm systems available.
• Duplex systems available.
CONSULT FACTORY
FOR SPECIAL AP PLI CA TIONS
RESERVE POWERED DESIGN
For unusual conditions a reserve safety factor is en gi neered into the design of every Zoeller pump.
All installation of controls, protection devices and wiring should be done by a quali-
fi 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; Me-
chanical Al ter na tor, 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 2009 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 Sim plex
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
OPTIONAL PUMP STAND P/N 10-2421
• Reduces potential clogging by debris.
• Replaces rocks or bricks under the pump.
• Made of durable, noncorrosive ABS.
• Raises pump 2" off bottom of basin.
• Provides the ability to raise intake by adding sections of 1½"
or 2" PVC piping.
• Attaches securely to pump.
• Accommodates sump, dewatering and effl uent applications.
NOTE: Make sure fl oat is free from obstruction.
"Easy assembly"
(pump & discharge pipe
not included.)