DC Pumps [RE-wrenches]

[Dana Orzel]

Hey There - Dankoff Solar has quite a few circ pumps that I have used on
home heating systems, solar powered pools, solar  powered and heated hot
tubs, Etc... They have high temp. bronze impellers if you need that option
too.
Energetically - Dana
----- Original Message -----
From: Jeffrey Wolfe, Global Resources <global at sover.net>
To: <RE-wrenches at topica.com>
Sent: Friday, June 29, 2001 2:49 PM
Subject: DC Pumps [RE-wrenches]


> Hi all,
>
> We're doing the pump for a hot water heating system. Not our design for
the
> heating system, and against some of our recommendations, but the folks
have
> gotten themselves into a large wood boiler located in an out-building.
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.)
>
> Anyone know of a pump that will do this with 220 degree water (usually
> cooler, but could get this hot.)
>
> I'd really like a brushless DC unit. The battery bank is at 48V, but we
can
> also do 24 or 12, either with a converter, or direct wire if the amp draw
> is small enough. I've been down the brush road, and for pumps that see a
> few thousand hours a year, it's not the way I want to go anymore...
>
> The AC unit the industry would normally use is a Taco 008 cartridge
> circulator which uses about 90 watts.
>
> Thanks for any help.
>
> Jeff
>
> Jeffery D. Wolfe, P.E.
> Global Resource Options, LLP
> A Woman-Owned Limited Liability Partnership
> 4 Kibling Hill Road
> P.O. Box 51
> Strafford, VT 05072
> 800-374-4494 Toll Free
> 802-765-4632 Phone
> 802-765-9983 Fax
> global at sover.net
> http://www.GlobalResourceOptions.com
>
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