Well pump cutoff when water is detected


Old 10-04-15, 06:57 AM
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Well pump cutoff when water is detected

I want to cut power to my well pump if water is detected on my basement floor.

There is an old thread posted here that describes exactly what I want to do:

I will use the Winland WB200 Waterbug. The ELK-9100 solution described in the above post would be perfect, but it has been discontinued and I cannot find it anywhere. I do not want to use X10, which was possible with the ELK-9100, but not with the newer ELK-9200. The relay will be very close to the Waterbug. I want this to be a very simple wired setup.

The well pump is 220V and is on a circuit with two 15A breakers. I believe that means it's a 15A 220V circuit, not 30A, correct?

Can anyone point me to a simple (non-X10) relay I could use in place of the ELK-9100?
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Old 10-04-15, 08:50 AM
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Welcome to the forums.

The ELK-9100 relay you've found is activated by X-10 type commands only.
The ELK-9200 relay is the replacement and has a cord on it that plugs into a 120v X-10 module. Neither is really what you need for your application.

The following link is a RIB relay. It's basically prewired so all you do is install it. Since you need to power the Waterbug with 12vdc I choose a relay that uses the same trigger voltage. It's almost the same price as the ELK relay.

RIB12P30 | FDI | Enclosed Relay 30Amp DPDT 12Vac/dc

The RIB relays come in many different voltages and switching types. The picture shows how I connect and use the RIB. The 240v wiring stays in the box and the two 12v leads come out thru a grommet.

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Last edited by PJmax; 10-04-15 at 09:06 AM.
Old 10-04-15, 09:31 AM
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FloodMaster Water Leak Detection + Automatic Water Shut-Off Systems
Only really need to shut off the flow of water, not the pump.

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