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Old 10-17-2009, 08:39 PM   #1
Jan 2009
Posts: 199
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I'm interested in picking up a pump during Brewmaster's 3 day sale. He carries the center inlet model wtih 3/4' MPT inlet and the standard 1/2" side outlet. I understand that the pumps supposedily prime better and may have higher flow rates with 3/4 inlet plumping. I had been planning on using 1/2" silicone and QDs for all of my connections. What effects (if any) will I get if still use the 1/2" tubing into the pump via a reducer. I am hoping not to have to use different size tubing and QDs for the inlet side as I want more of a universal system. That seems like a PITA.


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Old 10-24-2009, 12:32 PM   #2
doggage's Avatar
Dec 2008
Fayetteville, Arkansas
Posts: 463
Liked 6 Times on 6 Posts

I'm certainly no expert, but I would recommend using tubing the same size as the inlet and outlet. I have 1/2" inlet and outlet and use 1/2" ID tubing. Others have the same setup and have no problems with priming/pumping/cavitation.

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Old 10-24-2009, 12:38 PM   #3
EvilGnome6's Avatar
May 2009
Scottsdale, AZ
Posts: 664
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I have my whole rig set up with 3/8" silicone tubing and QDs. No issues with priming/pumping/cavitation of the March pumps here, either.

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