Supreme Mag Drive Pumps by Danner
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SignalSoldier said:The only thing I would think that could be bad about these machines are that they are probably loud as a F18
[H]ugh_Freak said:I've seen them in some stores but not others..
weapon-- said:the mag 3 is the one that has been most often used in H2O cooling with the mag2 and mag5 running somewhere a bit behind in common usage.
the danner pumps were used fairly heavily about 4 years ago (wow...time flies) and a decent number of pros and cons surfaced when a larger part of the H2O cooling community gave them a shot. IIRC, this is a general rundown:
-- they have good head and flow
-- the impeller tends to cause quite a bit of ticking. while there is a crazy glue mod to fix this, some pumps ran into startup issues after the mod to shut up the ticking. Of course, if the impeller refused to move at startup there was no ticking
-- the impeller housings on a lot of them leaked - the usual fix for that was removing the impeller housing, adding a bead of RTV and then reassembling the pump. That one usually worked without issue.
-- the impeller screws used to be made from plastic and they would snap. the new ones appear to be made from metal so that seems to have been fixed at the factory.
-- if you tighten the barbs in a hair too much, the threaded section on the inlet or outlet would crack every time and thereby produce a nice leak.
-- they were not EMI shielded and could throw some funk at your monitor if they were too close to it.
my experiences with them were worse than most (some seem to get mag3 pumps that were on the verge of bulletproof) but for what it's worth...
Round 1: mag3 - bought it at a local aquarium shop and promptly hooked it up. It ran fine but had a nasty ticking noise from the impeller. tick-tick-tickticktick-tick (always seemed to be in that sequence for some reason). The fact that i remember that years later should be some indication of how annoying it was at the time. Heat dump into the loop wasn't bad but the impeller housing started to leak about a month after I had it -- a quick RTV mod fixed that. About a month later, it died without warning - no ticking, no humming, just nada.
Round 2: about a week after the Mag3 died, I bought a Mag5 (after the luck I had with the mag3, my reasoning for going for the mag5 now eludes me ...it was probably because there was not exactly a large selection of watercooling pumps readily available at that time ) Anyway, the mag5 obviously had more head and flow than the mag 3 but it also had a bit more noise and heat....and that damn impeller was still ticking. The impeller housing cracked about 3 weeks after installing it - not from overtightening the barb but from the pressure the tubing was putting on the fitting (which wasn't much). I fixed that with a good dose of epoxy, dried out the base of my case and hooked it back up. It died with a puff of grey smoke about 3 weeks later.
During a drunken session of re-routing the loop with an original RLQO pump, I promptly swore an oath to never buy another Danner pump again unless I intended to use it as a boat anchor. Still, for $22.50, the mag3 might be worth the money as I could buy one, have another nasty mag-experience and then have a good drunken rant when I replaced it with something else.
SignalSoldier said:The only thing I would think that could be bad about these machines are that they are probably loud as a F18
bink said:I bought the 250GPH model from pet smart for 20 bucks about a year ago. It surprised me with how quiet it was. I used it with 1/2" ID tubing. The only thing I didnt like about it is that its disigned for like 5/8" input and 3/4" output. The output is threaded so a trip to the plumbing store fixed that. Ive taken my water setup down though because I bought a Shuttle XPC.
Overall I liked this pump. Its a steal for the price. I did use a relay setup for it since it is a 110VAC pump. I gave 15 bucks for the relay/base though.
gbomb944 said:From what I understand you can put a rheostat on them and control flow, noise and heat.