I don't think the system can build up pressure since the res connected to the pump has a cork in the fill hole. Its not a perfect seal and i have taken it out before. I will definately try the pump in my bathtub (not submerged of course LOL) and see what happens. Keep ur ideas coming. I knew this was the right place to ask.
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ABIT IT-7 MAX
P4 2.26B@3.01 1.7v 180fsb
Corsair (samsung) PC3200 C2
Radeon 9700Pro 3Dmark2k 16606
(384/350)
http://service.madonion.com/compare?2k1=4474405
60gig WD7200
H20> Maze 3, heater core, GeF4 on ATI, Via Aqua1300
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