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Water Alarm Systems

Save yourself money and the hassles of repairing and replacing water damaged property with one of our many water alarms, offered to you by PlumbingSupply.com®! We offer an excellent selection of water detection devices - from value-priced low-voltage alarms to duplex systems. Take a look at our selection and you'll see that we have something for nearly every water detection situation.

Great selection of Water Alarms

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Low Voltage Water Alarm

Sonin #800 low voltage water alarm
This low-voltage water alarm features:
  • Warns of leaks and overflows in bath, kitchen, laundry, attic, basement, or anywhere there is a potential for leaks to occur
  • An ideal backup system for sump and bilge pumps in residential, commercial and marine applications
  • Remote sensor detects water and sounds alarm
  • Sensor and alarm connected by 6' of wire
  • Sensor has both suction cup and adhesive to secure in place
  • Adaptable with standard speaker wire (not included) for locating up to 50' apart
  • Solid state electronics powered by 9-volt battery (not included)
  • 85-decibel alarm sounds for up to 3 days
  • Low battery warning
  • Test bar for system check
  • Includes wall mounting hardware

Description Price & Quantity
Sonin #800 (Replaces Little Giant #513350) $14.89

Order 6 or more of the Sonin #800 for additional savings.
Order 12 or more of the Sonin #800 for even greater savings!

Pricing discounts will show up in your shopping cart.

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High OR Low Water Alarm - 9 volt AC/DC

high or low water alarm
This high or low water alarm features:
  • User safe 9-volt AC power, 9-volt DC backup
  • 6 foot AC cable, 10 foot float cable
  • Easy conversion from high water to low water alarm
  • 90 to 95 Decibel sound alarm
  • Reliable non-mercury float switch
  • Easy installation
  • Attachment strap included
  • Corrosion resistant ABS float
  • UL listed and CSA approved 9-volt transformer and float system
  • 1 year manufacturer's limited warranty
  • This alarm is NOT NSF 61 Compliant

Description Price & Quantity
High or Low Water Alarm $44.83

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Indoor/Outdoor Alarms for Sewage Ejector Systems

HWAB Indoor High Water Alarm


Little Giant indoor high water alarm
Features:
  • Warns of high water levels in sewage and water removal systems
  • NEMA 1 thermoplastic wall mounted enclosure housing
  • External terminal block for easy float connection
  • Includes plastic float with 15 ft. water resistant cord
  • LED red warning light
  • Horn: 87 decibles at 10 feet, with silence switch
  • Automatic alarm reset when high water condition cleared
  • Low battery chirp
  • 120 volt AC, 2.4 watts
  • 6 ft. power cord
  • Battery backup: 9 volt DC
  • UL, CSA listed

The HWAB mounts indoors and will sound the built-in alarm horn (87 decibles at 10') and illuminate an LED red warning light when a high water level is detected in the basin. When the high water condition is cleared, the alarm will automatically reset. The HWAB includes a NEMA 1 thermoplastic enclosure designed for easy installation and a non-corrosive plastic float swith for use in liquids up to 140° F. To reduce the possibility of shock, the mechanical float switch operates on low voltage, isolated from the 120 volt AC power feed. The battery backup feature ensures the alarm system will work should the primary power fail and is powered by a 9 volt DC battery not included. Be sure and follow all of the manufacturer's directions and instructions and performing the proper maintenance and inspections required to ensure that you are fully protected from flooding. Especially important with man-made safety devices as they will eventually fail.


HWAB Indoor High Water Alarm = $119.44

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Indoor/Outdoor Highwater Alarm

indoor/outdoor highwater alarm
Features:
  • Warns of high water levels in sewage and water removal systems
  • NEMA type 3R watertight thermoplastic enclosure helps provide protection from falling dirt, rain, sleet and snow
  • Enclosure includes pre-mounted terminal block so it can also be used as a junction box
  • Includes plastic mechanical float with 15 ft. water resistant cord
  • Emits red warning light and horn
  • Horn has silence switch and test button
  • UL, CSA listed

Description Price & Quantity
#303HWXT Highwater alarm $199.84

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Indoor/Outdoor Duplex Controller and Alarm

This easy-to-install NEMA 4X waterproof fiberglass enclosure includes: duplex pump control and alarm device, pump alternator, visual and audible alarm and light system with silence switch, three floats, one each for high water, pump on and pump off. Floats have 20' (6m) power cords. HOA switch offers either hand-off or automatic operations.

Model # Phase Amps Volts Price & Quantity
#1221W120H6A17A 1 0-20 120/208/230 $953.07
#3221W201H17A 3 2.5-4.0 208/240/480 $1,612.37
#3221W511H17A 3 9-14 208/240/480 $1,688.79

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Controls - Simplex systems

Single Phase

single phase control
#1121W120H17A
Indoor/outdoor simplex alarm system and pump control. NEMA 4X waterproof fiberglass enclosure. Includes control panel with audible alarm, silence switch and red flashing lights; a pump float and an alarm float. Floats have 20' power cords. HOA switch offers either hand, off or automatic operations.

#1151W200H17A Control includes 2 floats - pump on/off and alarm

Model# Phase Amps Volts Floats Price & Quantity
#1151W200H17A 1 0-15 115/230 2 $589.15
#1121W120H17A 1 15-20 120/208/230 3 $689.68

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Three Phase

three phase pump control with alarm and three floats
Indoor/outdoor simplex alarm system and pump control. NEMA 4X waterproof fiberglass enclosure. Includes control panel with audible alarm, silence switch and red flashing lights; three floats, one each for highwater, pump on and pump off. Floats have 20' power cords. HOA switch offers either hand, off or automatic operations.

Model# Phase Amps Volts Price & Quantity
#3121W611H 3 13-18 208/240 $1,497.94

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Failed Circuit Alarm

Failed circuit alarm: signals an alarm when an important circuit has failed. It's designed for use on freezers, hot tubs, heat lamps for animals, pumps, etc. It can be used with any 110v/120v appliance when it's imperative for you to know if there is a power outage or if the breaker or fuse has blown.

failed circuit alarm
This failed circuit alarm features:
  • Alerts you when a circuit has tripped (failed)
  • 85 to 90 decibel buzzer (9 volt DC)
  • Outlet saving 15 amp with "piggyback" plug
  • 110/120 volt, toggle on/off switch
  • Test button
  • Mounts up to 6 feet from outlet
  • Easy installation and a 1 year manufacturer's limited warranty
  • Fits standard 110V outlet.
  • Unit has an outlet saving "piggyback" style plug.
  • This alarm is NOT NSF 61 Compliant

Description Price & Quantity
Failed Circuit Alarm $43.48

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