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LIBERTY PUMPS ALM-2 Liquid-Level Alarm - Liquid-Level Alarms
LIBERTY PUMPSLiquid-Level Alarms

LIBERTY PUMPS ALM-2 Liquid-Level Alarm

The LIBERTY PUMPS High Water Alarm: High Level (MPN ALM-2) is a liquid-level alarm with a nameplate voltage of 120V AC and battery backup. It includes a tether float switch and features 86 dB audio/visual alerts with…

SKU 3G-OTH-94103

Also listed as: ALM2 · ALM 2

Brand
LIBERTY PUMPS
Item
ALM-2 Liquid-Level Alarm
Category
Liquid-Level Alarms
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LIBERTY PUMPS
Manufacturer Part Number
ALM-2
Type
Auto, 86 dB, Audio/Visual
AC/9V DC
120V
Alarm Inputs
3
Battery Backup
Yes
Nameplate Voltage
120V AC
Switch Type Included
Tether Float

Technical Documents

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LIBERTY PUMPS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LIBERTY PUMPS High Water Alarm: High Level (MPN ALM-2) is a liquid-level alarm with a nameplate voltage of 120V AC and battery backup. It includes a tether float switch and features 86 dB audio/visual alerts with three alarm inputs.

Frequently Asked Questions

What is the LIBERTY PUMPS ALM-2 high water alarm used for?

The LIBERTY PUMPS ALM-2 high water alarm is used to detect rising water levels in sump pits, sewage basins, or other liquid containment areas. It provides an 86 dB audio/visual alert and supports up to three alarm inputs, helping prevent flooding and property damage in residential or light commercial applications.

What are the specifications of the LIBERTY PUMPS ALM-2?

The LIBERTY PUMPS ALM-2 operates on 120V AC with a 9V DC battery backup. It includes a tether float switch, produces an 86 dB audio/visual alarm, and accepts up to three alarm inputs. The manufacturer part number is ALM-2, and the switch type included is a tether float.

Where to buy the LIBERTY PUMPS ALM-2 worldwide?

You can source the LIBERTY PUMPS ALM-2 high water alarm through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine LIBERTY PUMPS components for liquid-level alarm applications.

How to install the LIBERTY PUMPS ALM-2 high water alarm?

Install the LIBERTY PUMPS ALM-2 by mounting the control unit in a dry location and connecting the tether float switch according to the wiring diagram. Ensure the float is positioned at the desired alarm level. Connect 120V AC power and install the 9V DC backup battery. Test the alarm by lifting the float to verify the 86 dB audio/visual alert activates.

Used in

Common applications for LIBERTY PUMPS
Municipal wastewater treatment — LIBERTY PUMPS Quadplex Control Panel (MPN QE34=6-511-3) for managing multiple pump stations
Commercial building sump management — LIBERTY PUMPS Duplex Control Panel (MPN AE34=3-621-5) for alternating pump operation
Residential sewage handling — LIBERTY PUMPS 41-gallon polyethylene basin (MPN K001132) for below-grade installations
Industrial effluent transfer — LIBERTY PUMPS Grinder Pump (MPN LSGH503MV-5) for solids reduction in high-flow applications
Emergency backup sump systems — LIBERTY PUMPS Battery Backup Sump Pump (MPN 442-10A-EYE) with Wi-Fi monitoring for flood prevention
Single-pump dewatering — LIBERTY PUMPS Simplex Control Panel (MPN SX24HC1=3) for small-scale water removal

LIBERTY PUMPS Products

3G Electric supplies LIBERTY PUMPS liquid-level alarms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
LIBERTY PUMPS Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs, 1 (MPN ALM-P1-EYE)
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LITTLE GIANT High Water Alarm: Low Level, 115V AC, Manual, 87 dB, Audio, 1 Alarm Inputs, 1, Float (MPN 513901)
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SUMP ALARM High Water Alarm: High Level, 120V AC, Auto/Manual, 90 dB, Audio/Visual, 1 Alarm Inputs (MPN SA-120V-2L-33F)
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The LIBERTY PUMPS ALM-2-1 is an automatic liquid-level alarm with 86 dB audio/visual alert. It operates at 120V AC with battery backup and includes a tether float switch. The unit accepts up to 3 alarm inputs, suitable for monitoring water levels in sump pits or other areas
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The LIBERTY PUMPS ALM-2-1 is an automatic liquid-level alarm with 86 dB audio/visual alert. It operates at 120V AC with battery backup and includes a tether float switch. The unit accepts up to 3 alarm inputs, suitable for monitoring water levels in sump pits or other areas
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This liquid-level alarm provides an 88 dB audio/visual alert when water reaches a high level. It operates on 120V AC with a 9V DC battery backup and includes a tether float switch. Designed for use in sump pits, sewage basins, or other liquid containment areas to warn of potential flooding
LIBERTY PUMPS
This liquid-level alarm provides an 88 dB audio/visual alert when water reaches a high level. It operates on 120V AC with a 9V DC battery backup and includes a tether float switch. Designed for use in sump pits, sewage basins, or other liquid containment areas to warn of potential flooding