Water hammer suppressors are designed to absorb the shock of a fast moving column of water that is suddenly stopped by a tap being turned off quickly, or more commonly by very fast acting solenoid valves in washing machines and dish washers.
The vibrations coming from the pump are caused by the impeller/magnet being un-balanced, or from turbulence inside the impeller chamber.
My modded pump with the offset outlet runs noticably smoother than it did before the mod. (less turbulence in the pump)
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feel free to icq/msn me, I'm always willing to toss around ideas.
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