Quote:
Originally posted by airspirit
Tht is NOT a good pump to run inline. Though many people have done it, it will result in a pump that could die at any time.
Most pumps under 75 Watts that are Mag-Drive CAN and COULD be used inline, such as the Danner series. They typically don't generate enough heat to damage the system permanently from heat alone. These pumps (with the exception of the Danners which were engineered specifically for both) CAN be used inline without generating too much heat. The problem is that the forward seals aren't designed for it, and you can get leakage, not to mention failure from ingested air bubbles wrecking the drive mechanism.
You best bet is to run it submerged. The Via Aquas are cheap crappy pumps, and the engineering is sub-par. Don't take any chances with an inline setup.
I spent alot of time with a pump expert who has run an aquarium shop for decades before I bought my first pump for inline use after realizing my Via Aqua was a piece of crap (took me 20 minutes).
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Interesting observations. What other pumps do you consider "acceptable" for inline use or does this just "apply" to Danner pumps? I didn't realize the Eheim were mag drive and enthusiasts have been running them inline for years. Or are they "cheap, crappy pumps" as well? If not, what would make them more viable than the Via?