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LIBERTY PUMPS ALM-2-1 Liquid-Level Alarm - Liquid-Level Alarms
LIBERTY PUMPSLiquid-Level Alarms

LIBERTY PUMPS ALM-2-1 Liquid-Level Alarm

The LIBERTY PUMPS Water Alarm: High Level (MPN ALM-2-1) is a liquid-level alarm with a nameplate voltage of 120V AC and battery backup. It includes a tether float switch and operates automatically with an 86 dB…

SKU 3G-OTH-94095

Also listed as: ALM21 · ALM 2 1

Brand
LIBERTY PUMPS
Item
ALM-2-1 Liquid-Level Alarm
Category
Liquid-Level Alarms
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LIBERTY PUMPS
Manufacturer Part Number
ALM-2-1
Type
Auto, 86 dB, Audio/Visual, 1
AC/9V DC
120V
Alarm Inputs
3
Battery Backup
Yes
Nameplate Voltage
120V AC
Switch Type Included
Tether Float

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

Product Description

The LIBERTY PUMPS Water Alarm: High Level (MPN ALM-2-1) is a liquid-level alarm with a nameplate voltage of 120V AC and battery backup. It includes a tether float switch and operates automatically with an 86 dB audio/visual alarm, supporting up to 3 alarm inputs.

Frequently Asked Questions

What is the LIBERTY PUMPS Water Alarm ALM-2-1 used for?

The LIBERTY PUMPS Water Alarm ALM-2-1 is a liquid-level alarm designed to detect high water levels in sump pits, basements, or other areas prone to flooding. It provides an 86 dB audio/visual alert and supports up to 3 alarm inputs, making it suitable for residential and light commercial water monitoring applications.

What are the specifications of the LIBERTY PUMPS Water Alarm ALM-2-1?

The LIBERTY PUMPS Water Alarm ALM-2-1 operates at 120V AC with battery backup. It includes a tether float switch, automatic operation, and an 86 dB audio/visual alarm. The unit supports up to 3 alarm inputs and has a manufacturer part number ALM-2-1.

Where to buy the LIBERTY PUMPS Water Alarm ALM-2-1 worldwide?

You can source the LIBERTY PUMPS Water Alarm ALM-2-1 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 on this liquid-level alarm.

How to install the LIBERTY PUMPS Water Alarm ALM-2-1?

Install the LIBERTY PUMPS Water Alarm ALM-2-1 by mounting the control unit in a dry location and connecting the tether float switch to the alarm inputs. Ensure the float is positioned at the desired high-water level. Connect 120V AC power and install the 9V DC battery backup. Test the alarm by lifting the float.

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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Float-actuated alarm switch for dewatering and wastewater pump systems. Triggers an alert when water level reaches a critical point, helping prevent overflow and pump damage. Suitable for sump, effluent, and sewage applications
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Float-actuated alarm switch for dewatering and wastewater pump systems. Triggers an alert when water level reaches a critical point, helping prevent overflow and pump damage. Suitable for sump, effluent, and sewage applications
LIBERTY PUMPS Oiltector(R) Pump Control and Alarm: Simplex, Single Phase, 230V AC, 15 A, Plastic, 1 (MPN OTC-230)
LIBERTY PUMPS
LIBERTY PUMPS Oiltector(R) Pump Control and Alarm: Simplex, Single Phase, 230V AC, 15 A, Plastic, 1 (MPN OTC-230)
SUMP ALARM Water Alarm: High Level, 120V AC, Auto/Manual, 120 dB, Audio/Visual, 1 Alarm Inputs, 1 (MPN LS-ALM-120V-US-RETAIL)
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SUMP ALARM Water Alarm: High Level, 120V AC, Auto/Manual, 120 dB, Audio/Visual, 1 Alarm Inputs, 1 (MPN LS-ALM-120V-US-RETAIL)

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Auto liquid-level alarm with 86 dB audio/visual alert. Operates on 120V AC with 9V DC battery backup. Includes tether float switch and accepts up to three alarm inputs. Used to detect rising water levels in sump pits, sewage basins, or other liquid containment areas
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Auto liquid-level alarm with 86 dB audio/visual alert. Operates on 120V AC with 9V DC battery backup. Includes tether float switch and accepts up to three alarm inputs. Used to detect rising water levels in sump pits, sewage basins, or other liquid containment areas
Auto liquid-level alarm with 86 dB audio/visual signal. Operates on 120V AC with 9V DC battery backup. Includes three alarm inputs and a sensor switch type. Used to alert of high water levels in sump pits, basins, or tanks
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Auto liquid-level alarm with 86 dB audio/visual signal. Operates on 120V AC with 9V DC battery backup. Includes three alarm inputs and a sensor switch type. Used to alert of high water levels in sump pits, basins, or tanks
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