DC Pumps [RE-wrenches]

[sunwise at cheqnet.net]

effrey Wolfe, Global Resources wrote:
> 
>Both the plumber and I have figured they need about 6 gallons per minute and
> about 12 - 14 feet if head. (this is just for from the boiler to the
> storage tank inside. We'll be using El Sids for the radiant loops.)

Hey Jeffrey,

One thought I had in selecting the pump here.  If you are doing a
circulating pump, where-in the piping is closed loop essentially, you
have no head.  You only calculate for friction and restriction losses in
the piping.

Kurt Nelson

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