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Inajamxray
09/14/2016, 08:09 AM
Hi all, I'm looking for help with my ATO and a long run from RODI storage to sump. I have Tunze ATO, 10' head, and horizontal run of 75'. The stock pump says 15' head but does not work. Is there a DC pump out there that will work or an AC pump that I will have to use the tunze AC-DC switch.

texdoc77
09/14/2016, 10:36 AM
You might consider the avast diaphragm pump. It is quite a strong little pump. I have no idea if it would work with tunze, but you can pair it with the pressure sensor avast sells for less than $100. I use mine to pull up 10 feet, over 25 feet and down 10 feet.

ArmanS
09/14/2016, 11:52 AM
Spectra Pure LM3-MPM should be able to do it.

Inajamxray
09/15/2016, 12:55 PM
Thanks Guys for the response. After checking both out, I ordered the Avast Diaphragm pump. Head hight is huge and for 44. bucks, don't think I can beat that. I'll post the results. Thanks again.

reefgeezer
09/15/2016, 01:41 PM
Many dosing pumps will pump that distance & head. Maybe that would be a better option. The pump might run longer but otherwise, many are capable of top-off duty.