[RE-wrenches] Another pump quesiton

[frenergy]

I will second that, Todd.  I've had a Hartell  MD-10-HEH mag drive pump 
pumping glycol in my SHW closed loop for 23 years direct powered by a 20 
watt PV.  It does make a little noise when your close to it...so be it.

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net

On 9/17/2020 11:39 AM, Todd Cory wrote:
> I have had exceptional experience using Hartel brand brushless DC 
> circulation pumps on my home's solar hot water system.
>
> Todd
>
> On September 17, 2020 11:06:33 AM Christopher Warfel 
> <cwarfel at entech-engineering.com> wrote:
>
>> I would look at the pump that Thermodynamics LTD of Canada sells.  
>> Pretty bullet proof in my experience of 20 years of installing their 
>> products.  Don't deal with the people in VT. Call the business in 
>> Dartmouth Nova Scotia, eh?   Laing are expensive but very reliable. 
>> March is not great for small closed loop.  I really support dc pumps 
>> for solar hot water unless the customer has a solar electric system too.
>>
>> On 9/14/2020 11:49 PM, Howie Michaelson wrote:
>>> Hi All,
>>> I need to replace 3-5 El Sid pumps I'm using in a low volume 
>>> hydronic heating system.  Other than laing pumps, are there any 
>>> recommendations for 12, 24, or 48 vDC pumps?  Having magnetic drives 
>>> that mate with the impeller body of the El Sids, would be a bonus.
>>> Thanks,
>>> Howie
>>> *Howie Michaelson
>>> **Sun Catcher*
>>> *****/NABCEP Certified Solar PV Installer™
>>> /**
>>> **Solar Electric Systems Sales & Service
>>> 802-272-0004*
>>>
>>> _______________________________________________
>>> List sponsored by Redwood Alliance
>>>
>>> List Address:RE-wrenches at lists.re-wrenches.org
>>>
>>> Change listserver email address & settings:
>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>>
>>> List-Archive:http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>>
>>> List rules & etiquette:
>>> www.re-wrenches.org/etiquette.htm
>>>
>>> Check out or update participant bios:
>>> www.members.re-wrenches.org
>>>
>>
-- 



-- 
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches_lists.re-wrenches.org/attachments/20200917/55b1d0a6/attachment.htm>