Product Overview

• Primary pump, 115V
• 441 Back-up pump, 12 VDC
• 1-1/2” PVC piping with rubber coupler
between primary pump and back-up pump
(rubber coupler provides easy removal and
serviceability of back-up pump)
• Check valve included on primary pump and
back-up pump
• Completely assembled
• Maximum fluid temperature 140°F
Model 441
5
10
15
20
25
30
35
40
0
0 10 20 30 40 50 60
0 37.9 75.7 113.6 151.4 189.3 227.1
US Gallons Per Minute
Total Head in Feet
Total Head in Meters
12.2
10.7
0
3.0
6.1
4.6
1.5
9.1
7.6
Liters Per Minute
PC457
PC257
PC237
PCS37
US Gallons Per Minute
Total Head in Feet
20
15
10
5
0
50
10 15 20 25 30 35 45
Liters Per Minute
40
18.90
37.9 56.8 75.7 94.6 113.6 132.5 170.3151.4
6
5
3
2
0
Total Head in Meters
------ 441 Performance with fully
charged battery/AC power on
--- 441 Performance with
fixed 12.1V at battery terminals
Model 237
1/3 hp
Poly/Alum
Model 457
1/2 hp
Poly/Alum
Model 257
1/3 hp
Cast iron
Model S37
Model S37-P
1/3 hp
Poly/Cast Iron
Liberty Pumps - 7000 Apple Tree Avenue - Bergen, New York 14416
Phone [phone] - Fax [phone] - www.LibertyPumps.com
Copyright © Liberty Pumps, Inc. 2021 All rights reserved. LLIT006670-R01/21
Specifications subject to change without notice.
PC441-Series
Primary Pump Performance CurvesIncluded in Complete System
Primary Pump Options
Back-Up Pump Performance Curves
Minimum pit size for all above systems is 15” diameter x 18” deep
For complete primary pump specifications, see appropriate 230-Series, 250-Series, 450-Series, or S30-Series literature.
For complete back-up pump specifications, see Model 441 literature.
MODELS DESCRIPTION PRIMARY PUMP BACK-UP PUMP SYSTEM WEIGHT
PC237-441 1/3 hp (Model 237 and 441) 115V, 5.2A 12 VDC 1.5A 23 lbs
PC257-441 1/3 hp (Model 257 and 441) 115V, 5.2A 12 VDC 1.5A 35 lbs
PC457-441 1/2 hp (Model 457 and 441) 115V, 7.3A 12 VDC 1.5A 25 lbs
PCS37-441 1/3 hp (Model S37 and 441) 115V, 6.2A 12 VDC 1.5A 26 lbs
PCS37-P-441 1/3 hp (Model S37-P and 441) 115V, 6.2A 12 VDC 1.5A 26 lbs
Models
Charger works with Group 27 or Group 31
marine-type deep cycle lead acid 12-Volt
batteries (not included with system)
For optimum performance, Liberty Pumps
StormCell
®
batteries recommended.