[Shop-talk] Sump pump alarm

[John T. Blair]

At 10:06 AM 11/27/2010, marty sukey wrote:

 >I want some kind of alarm to install in my sump pump crock to sense water
 >when the pump fails (again). I see them for sale that mount at the 
crock. What
 >I want to do though is mount the sensor at the crock and the alarm 
upstairs at
 >the other end of the house where it can be heard. I have not seen any like
 >this. Any ideas?

Marty,

Simple.

1.  You'll need some type of float.  You could try using something 
like a tennis
      ball with a rod through the diameter.
2.  Some type of switch at the top of the travel - either a micro 
switch or a piece
      of metal mounted on your float and at the top of the float 
support.  Bent so
      they touch when the float is at the desired level.

Now comes the tricky part, you have 2 options here.

3.  Look into getting a door bell, or at least a door bell 
transformer.  Then you'll
      have a 12V or 24V DC which you can connect to the switch and to a door
      bell chime upstairs.  Only problem is that you'll have to run 
wire from where
      you mount the float to where you mount the door bell.

or

4.  Get a cordless door bell system.  They are less than $25.   (I 
prefer the AC
      powered type [plugs into a wall plug] instead of the bell being 
battery powered.)
      Connect the wires form the float to the 2 connectors on the 
remote button.  (The
      door bell buttons are battery powered.  So you'll have to check 
on the battery
      every once in a while.)

Hope this gives you some ideas.

John



  remote Then I'd look at using


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John T. Blair  WA4OHZ     email:  jblair1948 at cox.net
Va. Beach, Va
Phone:  (757) 495-8229

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