Leaky CSP-Mag Pump O-rings

[nlancaster]

I have 2 of the newer style CSP mag pumps and they are leaking past the O-ring and out the sides of the pumps. Very low volume leak, so low that the coolant evaporates before dripping to the bottom of the case. I am guessing that the O-rings are old and not working properly anymore. Does anyone know where I can get some replacment O-rings for these pumps? Or what Diameter and thickness of o-ring I should get? They are currently installed and working properly other then this very tiny leak, so I am unable to take them apart at this moment.

This is also posted on DangerDens forum but I realized I would probably get more people seeing this thread here.


Thanks,

Nick

 

[ikellensbro]

I had one of the older (DD rebadged) CSP-Mags (2" cube model) and it also had a very tiny leak (couple drops a week) coming out of the pump. I didn't want to mess with draining a recently filled loop, so I just tightened the hex bolts a tiny bit. I haven't seen anything to indicate a leak since then, so try and find an allen wrench and lightly tighten each screwa little bit if you think it might be loose. Even if the O-ring is partially to blame, it might be able to seal better with a tighter connection.