Pump placement

[delirium]

Can external pump be place above the sump tank? Will it work? Below is what i had in mind. Pls advice...

[sugi]

Your pump might not be strong enough to suck the water up.

Eventough it can suck the water up, you will loose the ouput power.

Why must you put on top ?

[delirium]

Cos no place beside the sump. Unless i use a stool or something to place the pump beside the sump. Will be using Eheim 1262.

[jc85]

Ehiem 1262 can run in-sump.

JC

[williammuk]

Can external pump be place above the sump tank? Will it work? Below is what i had in mind. Pls advice...

I have a feeling if you put it like that, whenever you turn off your pump, the back-flow will cause the water to be siphoned out of the pump.

It will be very troublesome for you to prime the pump again everytime.

[delirium]

Wanna run it externally as i dont have a chiller. Actually i thought by making the pipes into a loop, water will remail in the pump once it stops.

[williammuk]

Wanna run it externally as i dont have a chiller. Actually i thought by making the pipes into a loop, water will remail in the pump once it stops.

But I think due to the height of the overflow, the weight of the water falling may cause air to be sucked into the pump.

In my opinion, I would not configure it this way. But if you really must, then maybe if you could put in a check valve, it may help a little.

[limbssg]

why don't u do the piping this way (one elbow and a check valve).

cos with ur loop design (3 elbows), will have 3 ft more head loss.

[delirium]

Hmmm... Didnt think of using check valve. Thx for the suggestion guys.

[typrobin]

i did it before...

the trick is, when my return pump is off, it will be submerged as water starts to fill up the sump tank...so no problem at all..

[delirium]

Neat! Good idea.