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Flood Alarm; Our 9v Portable Affordable Flood Alarms by Rialco

NOTE: In addition to 9V portable alarms below on this page, the NEW
Integrated, Direct-Connect Flood Alarm for a 4963 Backwater Valve
is here !!!
Simply REPLACES THE ORIGINAL CAP of a Mainline brand 4963 Fullport Backwater Valve

flood alarm for backwater valve  backwater valve flood alarm  flood alarms


flood alarm

flood alarms by rialco

Our 54010 Flood Alarm is a self contained electronic device, powered by an a standard 9 volt battery that is included with the package, that sounds a loud, high pitched alarm when it's adjustable sensor comes into contact with water.

Rialco 84010 11" Sensor Flood AlarmThis 9v flood alarm unit features a red LED that flashes every 30 seconds indicating that the unit is operational.  If the LED stops flashing, or you hear a short beep from the flood alarm, you need to replace the battery.  Typical battery life is over one year.  Installation in a damp or high temperature location may shorten battery life.

The Sensor Arm is flexible providing for a wide range of fixed or portable installations.  Sensor arms are available in 11", 3', 5', 10' and 20' lengths.

flood alarm

PRACTICAL NOTES ABOUT OUR FLOOD ALARM:

Mainline 4963 Backwater Valves have a clear top so a visual inspection would reveal if the gate is in the Open (normal) or Closed (protecting you because the sewer system is overloaded) position.

You would probably develop the habit of taking a look during extremely heavy rains or periods of heavy snow-melt that you expected might overwhelm your municipal sewer system.

This portable 9v flood alarm does not work directly in conjunction with (does not in any way connect to) the backwater valve.  It is basically an "after the fact" device that indicates, depending upon the location in your basement, that flooding has already or is about to occur.

In a "normally dry basement" scenario, the Flood Alarm's Water Sensor is placed contacting, or almost contacting, the floor near the lowest drain in your basement.  If water ever rises a from that drain and touches the contacts within the Water Sensor, the alarm sounds.

In this example, the only way the alarm would sound would be when a properly function valve is in the closed position protecting you and water from within your home was sent down the drain.  It would be unable to escape because the backwater valve was closed keeping hundreds or thousands of gallons of nasty foreign sewage out of your basement.  This much smaller amount of waste water from within your own home would set off the alarm and alert you not to use water.

There are also numerous other applications for the Flood Alarm as shown in the photos to the left.


The Rialco 9V Flood Alarm is specially designed to monitor homes and commercial properties to alert you to overflows, leaks or water trouble.  It has an endless number of uses and can save thousands of dollars in water damage.

Made of high quality materials and reliable construction methods, the alarm operates on a 9-volt battery (included) to sound the 96 decibel horn when the end of the sensor arm contacts water.

The flood alarm comes equipped with a low battery warning and a power indicating LED.

flood alarmsThe flood alarm's flexible sensor arm can bend and reach into small and awkward spaces.  It can also be bent to hold any shape and be self-supporting.  With an included bracket and screws for easy installation, it can be used portably, or in a fixed position.  Sensor arms are available in 11" and 3, 5, 10 and 20 foot lengths.

Manufactured of heavy gauge ABS plastic and the components are screwed (not snapped) together.

The Rialco Portable Flood Alarm was designed with two uses in mind: it can help you monitor water levels and help to prevent floods.


Monitoring Water Levels

The Rialco portable Flood Alarm will let you know when your bathtub reaches the fill level you want.

The audible horn can be heard throughout the home.  It makes an excellent device for the elderly and caregivers.

Many companies rely on the Rialco flood alarm system to monitor tanks and bulk storage.  Some of the users include photo development labs, landscapers, pools & spa companies, aquarium operators, etc.

Flood Prevention

A Rialco Flood Alarm hanging over your laundry tub can alert you to a clogged drain before the water ends up on your floor.

Installing a Rialco Flood Alarm in your sump pit is a reliable way to ensure your sump pump is working.

You can place a Rialco Flood Alarm next to your water heater's overflow valve.

flood alarms

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Mainline Fullport Backwater Valves offer the right solution for your sewer backup problems. 
SPECIAL OFFER: Mainline Backwater Valve "Combo" with Access Box ($89.00 value if purchased separately)
Valves without Access Box are also available with a slight shipping discount in the price.

Protect Your Home with a Backwater Valve
from Backwater-Valve.com

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but you may phone Greg at 330.836.9393 for info
(9 AM - 4 PM EST Monday - Friday or Voicemail anytime)

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backwater-valves.com is independently owned and resells
products produced by Mainline of Canada and assumes no
liability for the installation of backwater valves and related products.
Check with the plumbing authority in the municipality in which your valve
is to be installed to insure that your installation is in compliance with local code,
and be sure have your valve inspected by your local plumbing inspector after installation.
Inspect your valve frequently; the Backwater Valve through its clear plastic housing top,
and the Adapt-A-Valve, by removing the gate cassette.

IMPORTANT NOTES:
Pipe end-to-end, the Adapt-A-Valve takes up 6" of run in your line
and the outlet is 1-1/2" LOWER than the inlet, so in just 6"
the level of the pipe at the outlet side needs to be 1-1/2" lower.
Pipe end-to-end, the Backwater Valve takes up 12" of run in your line
and the outlet is 3/4" LOWER than the inlet, so in just 12"
the level of the pipe at the outlet side needs to be 3/4" lower.
Depending upon the amount of slope in your line
(2% minimum is required for proper operation),
you may need to replace several feet of pipe downstream
from the valve to average out this "loss" of fall.
New Straight-Fit and ML-FR4 require less slope.
(refer to detail pages for these products)

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Mainline Valve Warranty (printable Adobe Acrobat .pdf file)

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