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Old 02-11-2014, 12:20 AM   #1
scruff311
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Default New Steelhead Pump - 3/8" OK on Outlet?

I just got a steelhead pump (http://goo.gl/St9gO8) and am trying to figure out what fittings I need to integrate it into my system. Everything is 1/2" in my circuit except for my counterflow chiller which I made using 3/8" OD copper tubing. Since I have to pump from the kettle into the chiller, can I put a 1/2" NPT -> 3/8" barb on the outlet 1/2" ball valve on my steelhead?

I've read much about restricting the flow going INTO the pump, but I haven't heard much about the outlet side. Thoughts?

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Old 02-11-2014, 12:29 AM   #2
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It'll slow down the flow for sure, but it's no different than choking down a post pump ball valve in theory. Won't hurt the pump though.

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Old 02-11-2014, 02:43 AM   #3
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If you're going to 3/8" for the CFC then your flow will be constricted there anyway. No issues reducing prior to the CFc


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Old 02-26-2014, 02:31 PM   #4
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What about the other way? I'm using all 3/8" fittings and tubing on a 1/2" Steelhead pump from NB. If it's properly primed, do I have to worry about anything like cavitation?

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