We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

LIBERTY PUMPS High Water Alarm: High Level, 120V AC/9V DC, Auto, 88 dB, Audio/Visual - Liquid-Level Alarms
LIBERTY PUMPSLiquid-Level Alarms

LIBERTY PUMPS High Water Alarm: High Level, 120V AC/9V DC, Auto, 88 dB, Audio/Visual

The LIBERTY PUMPS High Water Alarm: High Level (MPN ALM-3W) is a liquid-level alarm with a nameplate voltage of 120V AC and battery backup. It includes a tether float switch type and provides an 88 dB audio/visual…

SKU 3G-OTH-94127

Brand
LIBERTY PUMPS
Item
High Water Alarm: High Level, 120V AC/9V DC, Auto, 88 dB, Audio/Visual
Category
Liquid-Level Alarms
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LIBERTY PUMPS
Manufacturer Part Number
ALM-3W
Type
Auto, 88 dB, Audio/Visual
AC/9V DC
120V
Alarm Inputs
1
Battery Backup
Yes
Nameplate Voltage
120V AC
Switch Type Included
Tether Float
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The LIBERTY PUMPS High Water Alarm: High Level (MPN ALM-3W) is a liquid-level alarm with a nameplate voltage of 120V AC and battery backup. It includes a tether float switch type and provides an 88 dB audio/visual alarm with one alarm input.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the LIBERTY PUMPS ALM-3W high water alarm used for?

The LIBERTY PUMPS ALM-3W high water alarm is used to detect and alert when water reaches a high level in sump pits, sewage basins, or other liquid containment areas. It provides an 88 dB audio/visual signal to warn of potential flooding, helping protect basements and equipment from water damage.

What are the specifications of the LIBERTY PUMPS ALM-3W?

The LIBERTY PUMPS ALM-3W high water alarm operates on 120V AC with a 9V DC battery backup. It includes a tether float switch, provides an 88 dB audio/visual alarm, and has one alarm input. The manufacturer part number is ALM-3W, and it is designed for liquid-level monitoring applications.

Where to buy the LIBERTY PUMPS ALM-3W worldwide?

You can source the LIBERTY PUMPS ALM-3W high water alarm through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the alarm reaches your facility reliably. Contact us for availability and lead time.

How to install the LIBERTY PUMPS ALM-3W high water alarm?

Install the LIBERTY PUMPS ALM-3W by mounting the alarm unit in a dry location near the sump or basin. Connect the tether float switch to the alarm input and secure the float at the desired high-water level. Wire the 120V AC power supply and install the 9V DC backup battery. 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched 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). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-P1-EYE; Switch Type Included: Sensor; Battery Backup: Yes.
LIBERTY PUMPS
LIBERTY PUMPS Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs, 1 (MPN ALM-P1-EYE). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-P1-EYE; Switch Type Included: Sensor; Battery Backup: Yes.
LIBERTY PUMPS Alarm Switch: Alarm Switch, Mfr Part # K001115, SBX280A. Key specifications — Product Type: Alarm Switch; Manufacturer Part Number: K001115.
LIBERTY PUMPS
LIBERTY PUMPS Alarm Switch: Alarm Switch, Mfr Part # K001115, SBX280A. Key specifications — Product Type: Alarm Switch; Manufacturer Part Number: K001115.
LITTLE GIANT High Water Alarm: Low Level, 115V AC, Manual, 87 dB, Audio, 1 Alarm Inputs, 1, Float (MPN 513901). Key specifications — Brand: LITTLE GIANT; Nameplate Voltage: 115V AC; Manufacturer Part Number: 513901; Switch Type Included: Tether Float; Battery Backup: Yes.
LITTLE GIANT
LITTLE GIANT High Water Alarm: Low Level, 115V AC, Manual, 87 dB, Audio, 1 Alarm Inputs, 1, Float (MPN 513901). Key specifications — Brand: LITTLE GIANT; Nameplate Voltage: 115V AC; Manufacturer Part Number: 513901; Switch Type Included: Tether Float; Battery Backup: Yes.
LIBERTY PUMPS Oiltector(R) Pump Control and Alarm: Simplex, Single Phase, 115V AC, 15 A, Plastic, 1 (MPN OTC-115). Key specifications — Current: 15 A; Rated Voltage: 115V AC; Alert Output: Audio; Intrinsic Safety: Not Specified Intrinsically Safe; Includes Reversing: Non-Reversing; Dosing Schedule: Demand Dose; Brand: LIBERTY PUMPS.
LIBERTY PUMPS
LIBERTY PUMPS Oiltector(R) Pump Control and Alarm: Simplex, Single Phase, 115V AC, 15 A, Plastic, 1 (MPN OTC-115). Key specifications — Current: 15 A; Rated Voltage: 115V AC; Alert Output: Audio; Intrinsic Safety: Not Specified Intrinsically Safe; Includes Reversing: Non-Reversing; Dosing Schedule: Demand Dose; Brand: LIBERTY PUMPS.
LIBERTY PUMPS Oiltector(R) Pump Control and Alarm: Simplex, Single Phase, 230V AC, 15 A, Plastic, 1 (MPN OTC-230). Key specifications — Current: 15 A; Rated Voltage: 230V AC; Alert Output: Visual; Intrinsic Safety: Not Specified Intrinsically Safe; Includes Reversing: Non-Reversing; Dosing Schedule: Demand Dose; Brand: LIBERTY PUMPS.
LIBERTY PUMPS
LIBERTY PUMPS Oiltector(R) Pump Control and Alarm: Simplex, Single Phase, 230V AC, 15 A, Plastic, 1 (MPN OTC-230). Key specifications — Current: 15 A; Rated Voltage: 230V AC; Alert Output: Visual; Intrinsic Safety: Not Specified Intrinsically Safe; Includes Reversing: Non-Reversing; Dosing Schedule: Demand Dose; Brand: LIBERTY PUMPS.
SUMP ALARM High Water Alarm: High Level, 120V AC, Auto/Manual, 90 dB, Audio/Visual, 1 Alarm Inputs (MPN SA-120V-2L-33F). Key specifications — Brand: SUMP ALARM; Nameplate Voltage: 120V AC; Manufacturer Part Number: SA-120V-2L-33F; Switch Type Included: Tether Float; Battery Backup: No.
SUMP ALARM
SUMP ALARM High Water Alarm: High Level, 120V AC, Auto/Manual, 90 dB, Audio/Visual, 1 Alarm Inputs (MPN SA-120V-2L-33F). Key specifications — Brand: SUMP ALARM; Nameplate Voltage: 120V AC; Manufacturer Part Number: SA-120V-2L-33F; Switch Type Included: Tether Float; Battery Backup: No.

More from LIBERTY PUMPS

View all LIBERTY PUMPS parts
LIBERTY PUMPS High Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs (MPN ALM-2). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-2; Switch Type Included: Tether Float; Battery Backup: Yes.
LIBERTY PUMPS
LIBERTY PUMPS High Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs (MPN ALM-2). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-2; Switch Type Included: Tether Float; Battery Backup: Yes.
LIBERTY PUMPS Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs, 1 (MPN ALM-2-1). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-2-1; Switch Type Included: Tether Float; Battery Backup: Yes.
LIBERTY PUMPS
LIBERTY PUMPS Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs, 1 (MPN ALM-2-1). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-2-1; Switch Type Included: Tether Float; Battery Backup: Yes.
LIBERTY PUMPS Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs, 1 (MPN ALM-P1). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-P1; Switch Type Included: Sensor; Battery Backup: Yes.
LIBERTY PUMPS
LIBERTY PUMPS Water Alarm: High Level, 120V AC/9V DC, Auto, 86 dB, Audio/Visual, 3 Alarm Inputs, 1 (MPN ALM-P1). Key specifications — Brand: LIBERTY PUMPS; Nameplate Voltage: 120V AC; Manufacturer Part Number: ALM-P1; Switch Type Included: Sensor; Battery Backup: Yes.