Multiple pumps work together to pump the liquid so I think running one lower than the other would just mean that one is doing more work. "The configuration you use depends on your individual cooling system. Now poke a second hole - water comes out of both holes. Though I have seen forum talk of this concept in passing I have not seen in depth discussion or any testing of a configuration like this. Water vapor can pass thru the walls … Parallel thermoelectric water-cooling loop Here I consider the possibility of a relatively simple and inexpensive addition to a regular PC water cooling loop. Which is why you often see serial loops in a lot of standard water loops. If you want to do this worry free, I'd say just buy two of the same pump like two Swiftech PWM MCP-655's and control them at the same time with a Y-splitter on a dual pump top from … The path of the water … Covering chillers, pump sets, AHUs, risers, primary and secondary systems, cooling towers and bypass lines. The advantage of parallel: both devices get cold water disadvantage: At the temperatures most PC water-cooling systems operate, pressure changes caused by the expansion and contraction of the water volume will be negligible. If you want parallel loops, you should make sure each loop has it's own pump. Path of least resistance will see more flow. Due to the flow characteristics of the parallel design, the flow rate along each of the cooling channels may be different, depending on the flow resistance of each individual cooling channel. At 1 gpm it takes 250 watts of heat to raise the water in your loop 1C. When you run two pumps in parallel, the curves somewhat get stacked in the X or flow rate direction with an averaging of pressure. DDC and D5 pumps can achieve 1 gpm of flow through most standard loops, such as a CPU, GPU and two radiators. That's essentially how a parallel loop works. Picture a bottle of water. It’s only when you get to more complex loops like SLI and … A common misconception is that running parallel paths in the same loop is always better. On a very high restriction loop you … EK actually stated it was a better flow rate, for whatever that is worth. In both p… Experimentation is usually suggested. Re:Water Cooling: Series vs Parallel Loops 2013/05/13 15:57:01 I have my loop running a parallel bridge for the GPU's Working great! Parallel cooling channels are drilled straight through from a supply manifold to a collection manifold. You poke a hole in the bottom of it, water starts leaking out. higher water flow through each device so better cooling for the first device disadvantage: seccond device in the loop doesn't get cooled well because it gets already hot water from first. A less well-known fact however, is that the internal water volume will decrease over time, even in systems with no obvious leaks. Parallel circuits. The higher path will still get flow, but maybe not what you think, and without seperate pumps, the only way you can control flow in the loops is to throttle down on the lower resistance part to try … Unfortunately this means the real gains of parallel don’t happen until you get beyond the useful restriction range of water cooling loops. Chilled water schematic and condenser water schematic, how to read and understand the engineering drawings with real world examples, Illustrations, animations and video tutorial. Custom Loop Water Cooling PC: In general, there are three methods to cool your PC: air, AIO (all-in-one water cooling), and custom loop water cooling. Of course there are some other methods like passive cooling or mineral oil, but those are in really small portion. Keep in mind that parallel lines reduce coolant pressure, so results will depend upon the pump and tubing … Channels are drilled straight through from a supply manifold to a regular water! 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