[RE-wrenches] Another pump quesiton

[Christopher Warfel]

Yes, I forgot about them. Thank you for the reminder.  If you have a 
supplier of it would you contact me off list?  Chris

On 9/17/2020 11:07 PM, frenergy wrote:
>
> 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*
>>>>
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