March Pump mounting - Home Brew Forums

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Old 05-22-2012, 01:25 AM   #1
Jul 2011
St Petersburg, FL
Posts: 277
Liked 7 Times on 6 Posts

Ive read on here that most everyone prefers to mount the inlet side down, now maybe physics wasnt my best subject but wouldnt the gravity fill the pump head easier if the inlet was up? can someone please explain this to me before I mount it?

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Old 05-22-2012, 02:20 AM   #2
Feb 2011
North Central, Ohio
Posts: 509
Liked 31 Times on 22 Posts

I think that the reason is you want to flood the pump housing completely with liquid which means getting any air trapped inside out. Air, being less dense than water (or wort), will tend to rise to the highest point so orienting the pump outlet at the top and supplying the liquid from the bottom facilitates this most readily. Burrp......

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Old 05-22-2012, 03:01 AM   #3
May 2011
Stow, MA
Posts: 17,804
Liked 3072 Times on 2299 Posts

^ exactly correct...


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Old 05-22-2012, 04:06 AM   #4
Nov 2009
Concord, CA
Posts: 1,666
Liked 44 Times on 36 Posts

The head can be rotated at any time including after mounting.

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