Turn off pump, and water sucks into output back into sump

[blacksnow]

Anyway to stop this?

When I turn off my pump water starts sucking from the output into the sump and doesn't stop till the water level is below the output.

 

[Chromobotia]

You could put a shut off value in between the pump and the sump.

 

[keepinfish]

Drill a hole just below water level to break siphon

 

[08trdoffroad]

You could drill a hole in the return just below your normal water level that would work as a syphon break.

 

[anhtu402]

Well, to stop the suction, you would need to pull the output above the water for a few seconds.

The only way to prevent water from getting onto your floor is either to set the output all the way up top, very near the surface so that in the event of loss of power, the suction will not overflow the sump.

Another way of doing it is to put a valve control ---but many warned that these valve control do get stuck sometimes and does not close---therefore they are not reliable at all!

My sump is 55 gallons and the output is near the top. I have shut off the power to see how far it goes up, and it's near the top, but not enough to overflow my sump. Good luck!

 

[jsodwi]

as above drill a small hole in the return a little below the opening or install a check valve somewhere

 

[sizors]

install a check valve

 

[turtlesrock]

drill a hole in the output tube about 1/4 inch below the water. or you can drill it above the water line like i do it makes the water have bubbles when it comes out the pipe

 

[csnmusic02]

i agree with everyone else just drill a hole

 

[slapnutz]

^^ that's what i did! I also put fill lines on my sump so that even if it is "full", if the power goes out it will not overflow the sump.