Taco pump replacements [RE-wrenches]

[Tom Lane]

march manfacturing makes a 24 volt dc pump with the same wet end as the 809
model 12 volt dc and ac pumps also hartell used to have a 24 volt dc model
that was using brushes i  do not like hartell pumps so i do not know if they
still make this pump  gator TOM----- Original Message -----
From: "Peter Talmage" <ptalmage at yahoo.com>
To: <RE-wrenches at topica.com>
Sent: Monday, February 11, 2002 9:18 AM
Subject: Re: Taco pump replacements [RE-wrenches]


> Dear Bob,
>
> The 0010 Taco might be a little hard to replace as
> most DC circulators are much lower in flow rate.
> Dankoff Solar  may have a small DC centrifugal unit
> with a high temp pump head that would work. As for the
> 007 pump, we have for years found that the small
> brushless 10 watt DC El-Sid pump does an adequate
> replacement job. The 007 is usually way overkill for
> most of the zones they get put on so dropping down to
> a pump with less head and gpm still works. With the
> 007 at around 80 watts peak, the 10 watt El-Sid can
> save a lot of energy even if it runs double time. If
> you do need more flow Hartell's MD-10-HEH brushless DC
> pump will give twice the flow at the same head @ 15
> watts. However, the MD-10- HEH operates well at 15
> volts DC so on a 24 volt system you'll need a DC to DC
> converter.
>
> Yours,  Peter Talmage
>
> --- "Bob Ellison, Alternative Energy Systems"
> <ellison at gisco.net> wrote:
> > I have a customer who is starting to listen to me on
> > cutting power use. Why
> > do they always wait?
> >
> > We need a replacement for 2 types of pumps both Taco
> > units.
> > The big one is a 0010-F3
> > and the other 3 are 007-F5
> >
> > What are the efficient replacements? What can I
> > expect for an improvement?
> > His system is 24 volt with a DR inverter, running DC
> > is not a problem.
> >
> > Thanks,
> > Bob
>
>
>
>
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