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This listing was ended by the seller because the item is no longer available.

 
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Richardsfoundry
 
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Details about  Differential Thermostat solar heating hot water

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Differential Thermostat solar heating hot water
Differential-Thermostat-solar-heating-hot-water
Item Sold
Item condition:
New
Ended:
Jun 20, 2014
Price:
US $29.00
[
History:
]
Shipping:
$2.50 Standard Shipping | See details
Item location:
Oklahoma City, Oklahoma, United States

Description

eBay item number:
300451133492
Seller assumes all responsibility for this listing.
Last updated on  Apr 26, 2014 06:07:27 PDT  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
 

Differential thermostat for your solar project. I use one of these to trip the fan in my solar lumber drying kiln, but they have many uses. Building a solar hot water system? This will work perfectly to turn your pumps on.

Features:
- SPDT relay output. This means you have "normally open" and "normally closed" outputs on the board. Useful if you want to turn things OFF at a certain differential temperatures and not just turn things on.
- LED indicators to show you what the board is doing.
- Freeze protection, will not trip relay if either of the sensors are disconnected, or either read below freezing. You can disable this.
- Will run from just about any "wall wart" type power supply
- Differential adjustable from 1C to about 24C

The output section of this circuit board is good for 24V, AC or DC, and can handle 5 amps. Note that this is a thermostat and not a motor controller, to turn on or off motors that run on AC line voltages you should use a proper relay or contactor, and control that with this thermostat.

You will need to purchase two temperature sensors for this to work. I sell them cased and potted, with short pieces of wire attached so you can extend them for your project. See my eBay store. I will also include brief instructions for making your own temperature probes when you purchase this board, if you wish to do that.

Visit my ebay store for more solar and electronics items. http://stores.ebay.com/Richardsfoundry

Please be advised that I combine shipping. However, in order for Ebay to calculate this correctly you have to use their "add to shopping cart" button instead of multiple "buy it now" buttons. If you accidentally hit the "buy it now" buttons I will refund the incorrect shipping, or you can request a corrected invoice.

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