- Joined
- Feb 22, 2004
- Location
- Brookfield, Ohio
I have two pumps running in a series. One of them has air in it, the other one doesn't. How can i remove the air from the pump?
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Air in the pump
- Thread starter BioTuned
- Start date
- Joined
- Dec 14, 2006
how do you know one has air and one does not?
is it a sould (does one of them sound like a washing machine?)
is it a sould (does one of them sound like a washing machine?)
OP
- Joined
- Feb 22, 2004
- Location
- Brookfield, Ohio
- Thread Starter
- #3
yea..one does one doesn't. i cut power one and left the other one and vise versa
OP
- Joined
- Feb 22, 2004
- Location
- Brookfield, Ohio
- Thread Starter
- #5
the first pump feeding from the res. I had it set up before when i was testing and it didn't have a problem.
- Joined
- Apr 17, 2004
i think i have this same problem, execpt i dont have a res. i have a t line. the bubbles aren't going away and the water in the t line keeps going way up and all the way down. it keeps cycling this motion, i know it needs more water, but if i put more, then i'll spill out of the t line.
what do i do?
what do i do?
QuietIce
Disabled
- Joined
- May 7, 2006
- Location
- Anywhere but there
Turn everything off and let it sit while you're tilting the box around ...
- Joined
- Dec 29, 2000
I agree wiht QuietIce on looking for entrapped air in your system.
Also, I wouldn't run two pumps in series. Run them in parallel. You'll get twice the flow. Two pumps in series gives more head (pressure) but unless they are identical and performing indentically you can have issues. Also in series if one fails it becomes a big resistance to flow. In parallel it acts as a fail safe. If you need two pumps to make your pressure requirement I'd suggest getting a larger one or reducing the losses in the system.
HTH
Also, I wouldn't run two pumps in series. Run them in parallel. You'll get twice the flow. Two pumps in series gives more head (pressure) but unless they are identical and performing indentically you can have issues. Also in series if one fails it becomes a big resistance to flow. In parallel it acts as a fail safe. If you need two pumps to make your pressure requirement I'd suggest getting a larger one or reducing the losses in the system.
HTH
- Joined
- Dec 29, 2000
Yep, that's exactly what you could do. Here are some relatively cheap Y's.Rickster said:
For 1/2" ID tubing.
For 3/8" ID tubing.
