Liberty 442-Series Battery Backup Sump Pump System Buyers Guide & Review

The Liberty 442-Series battery backup sump pump system is designed to provide uninterrupted basement flood control in the event of a power outage or main pump failure. These advanced StormCell systems are available as standard models or with optional NightEye wireless technology.

Two subtypes are available: the standard output 442-10A (10 Amp) single battery system or the high-output 442-25A (25 amp) dual battery system.

Each package includes:

  • Backup pump
  • Battery box for Group 27 or 31 batteries
  • Activation switch
  • Alarm
  • Charger unit
  • Check valve
  • Plumbing and mounting components
  • AC power supply
  • Audio Alarm with self-reset after silence
  • Green LED Ac power light with audible notification of power lost
  • Super-bright red LED alarm ring
  • Blue LED Pump-Run light
  • Alarm and pump test button
  • Auxiliary contacts (24VDC, 100 mA max.)
  • Microprocessor with energy-efficient Switch Mode Technology
  • 9-volt battery backup that operates alarm in standby mode for up to 72 hours
  • Connect “snap-on” activation float with integral alarm float (fits 1-1/4″ and 1-1/2″ pipe)
  • High water float acts as a redundant “on” float for the pump
  • Tees and fittings for standard installations
  • Remote wall mount user interface with LCD display

Both types are also suitable with Wet Cell, AGM, or gel-type batteries. Please note that batteries are sold separately.

LIBERTY 442 BATTERY BACK-UP SUMP PUMP SYSTEM

liberty 442 series battery backup sump system

Model Comparison Chart

Model GPM @ 10′ (12.1 V) GPM @ 10′ (AC) Cycling Run Time Max. Head (AC) Wireless Amps Weight lbs.
442-10A 30 35 8 days 25′ No 10 20
442-10A-EYE 30 35 8 days 25′ Yes 10 20
442-25A 30 42 16 days 30′ No 25 30
442-25A-EYE 30 42 16 days 30′ Yes 25 30
PERFORMANCE RATINGS

liberty 442 series battery backup sump system 10A performance

liberty 442 series battery backup sump system 25a performance

TYPICAL INSTALLATION

liberty 442 series battery backup sump system installation A

liberty 442 series battery backup sump system installation B

STORMCELL INTERFACE

liberty 442 series battery backup sump system stormcell interface

BROCHURE
Liberty 442-Series Battery Back-Up Sump System Brochure
MANUAL
Liberty 442-Series Battery Back-Up Sump System Installation Manual

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