ATO Float shut off switch

[Fishingandreefing]

As some of you saw my post that my Tunze ATO failed and dumped an entire 5G bucket of Kalk/Rodi into the tank.

Now I am looking for a float switch where I can set my desired water level and if it reaches by accidental it will shut off the ATO unit.

please let me know what you’re using

 

[Biglew11]

I'm using the apex atk. 2 optical sensors and manual float valve. And a line in the program, if it runs more than 5 minutes then it turns off. It takes more than 5 minutes for the water level to even get to the second sensor.

 

[Fishingandreefing]

I'm using the apex atk. 2 optical sensors and manual float valve. And a line in the program, if it runs more than 5 minutes then it turns off. It takes more than 5 minutes for the water level to even get to the second sensor.

I don’t have apex so others options/advices are welcome

 

[doubleshot00]

Gravity feed is your answer if you don’t want to mess with an electrical device.

In saying that your fail is very rare. The Tunze 3155 is very reliable.

 

[Fishingandreefing]

my Tunze is not reliable. This is the second time it had happened.

again, I need something that can shut the Tunze when the water is too high.

 

[Fishingandreefing]

I need something like this but I want it to turn the Tunze “off” when the water leve is too high.

this switch and all I found are to turn them “on”.

 

[thatmanMIKEson]

Doesn't the float and or the optical sensor shut off the pump ? So 2 fail safes failed?

 

[Fishingandreefing]

Doesn't the float and or the optical sensor shut off the pump ? So 2 fail safes failed?

The ato comes with the sensor but obviously it failed. Reason why I want a float switch is to get a second insurance on it.

the secondary sensor will shut the Tunze off after 10 mins……that’s way longer I wanted. 10 mins that’s prob 3g of my kalk mixed into the bucket

 

[thatmanMIKEson]

The ato comes with the sensor but obviously it failed. Reason why I want a float switch is to get a second insurance on it.

the secondary sensor will shut the Tunze off after 10 mins……that’s way longer I wanted. 10 mins that’s prob 3g of my kalk mixed into the bucket

Ok I was under the impression you were using the tunze 3155 is that not what your using?

 

[Fishingandreefing]

Ok I was under the impression you were using the tunze 3155 is that not what your using?

Yeah it’s the 3155 Tunze.

Ok I was under the impression you were using the tunze 3155 is that not what your using?

The 3155 will supposedly shut the unit down after 10 mins! But according to a lot reefers, it doesn’t. And to me even tho it does, 10 mins is tooooooo long.

and that’s why I am looking for something to shut the Tunze off if it’s overfilled my sump.

 

[christwendt]

The ato comes with the sensor but obviously it failed. Reason why I want a float switch is to get a second insurance on it.

the secondary sensor will shut the Tunze off after 10 mins……that’s way longer I wanted. 10 mins that’s prob 3g of my kalk mixed into the bucket

My tunze ato has a optical sensor and a float switch? If the optical sensor were to not work the float switch shuts it off. Also has a timer if it runs too long will shut off so 3 layers of protection

 

[christwendt]

The ato comes with the sensor but obviously it failed. Reason why I want a float switch is to get a second insurance on it.

the secondary sensor will shut the Tunze off after 10 mins……that’s way longer I wanted. 10 mins that’s prob 3g of my kalk mixed into the bucket

See it has a float switch with it.

 

[thatmanMIKEson]

My tunze ato has a optical sensor and a float switch? If the optical sensor were to not work the float switch shuts it off. Also has a timer if it runs too long will shut off so 3 layers of protection

Both of mine too..and what I didn't understand

 

[Fishingandreefing]

See it has a float switch with it.

It does BUT IT FAILED! The pump continues to pump and it doesn’t stop pumping till 10 minutes. The worse part is that a lot of users experienced it didn’t even stop even after 10 minutes.

And that’s the reason I am looking for a separate float switch to add a second insurance

 

[KStatefan]

It does BUT IT FAILED! The pump continues to pump and it doesn’t stop pumping till 10 minutes. The worse part is that a lot of users experienced it didn’t even stop even after 10 minutes.

And that’s the reason I am looking for a separate float switch to add a second insurance

That is some bad luck to have three layers fail.

 

[MoshJosh]

So you’re wanting a float valve to mechanically stop the flow of water? Or just a separate float valve that activates an electronic switch turning off the pump?

 

[SteveMM62Reef]

Is the tunez 12 volts? The Prism ATO, has an Optical Sensor. You could use it’s Sensor as a back up Sensor/ Shutoff.

 

[KStatefan]

I need something like this but I want it to turn the Tunze “off” when the water leve is too high.

this switch and all I found are to turn them “on”.

Put together your own using a float switch and a relay.

Have you contacted Tunze about this failure?

 

[pecan2phat]

Or you can plug the Tunze into something like this:

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