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Old November 3, 2006   #1
bluelytes
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Default Thermostat

I am looking for a CHEEP thermostat to run a heater in my greenhouse. I need it to run between about 40F and 55F. I want to plug the heater into the thermostat, and have it turn and off the heater. Any ideas??

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Old November 3, 2006   #2
dcarch
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check out:
http://www.farmtek.com/webapp/wcs/st...vision=FarmTek

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Old November 4, 2006   #3
bluelytes
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DCAR,
Note I said CHEEP, lol. Those are like what I am after, but 50.00 is way outside my budget I had someone tell me to use a refridgerator thermostat, or similar that I could wire up. Thank you for your speedy reply.
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Old November 4, 2006   #4
giardiniere
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If you have a Home Depot close to you, check with them. They might have a line voltage thermostat, that will basically do the same thing. It may only cost you about $20.
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Old November 4, 2006   #5
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Check ebay item# 180045115033.
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Old November 4, 2006   #6
michael johnson
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I always use a little 1kw fan heater with built in thermostat, I usualy turn it on as soon as the frosts start, with a setting of about 45 degrees F, and later on around late february when the little young tomato seedlings are placed in their, I up the temp to around 60 degrees F, which does a very good job and works out the cheapest method for me allround, after about a month temps start to rise slowly naturaly as spring comes and the fan heater is very rarely on,

In the deep winter months of heavy frost it only comes on about evry half hour to an hour and has a quick five minute blow of warm air before cutting off again.
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Old November 5, 2006   #7
dcarch
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Quote:
Originally Posted by bluelytes
DCAR,
Note I said CHEEP, lol. Those are like what I am after, but 50.00 is way outside my budget I had someone tell me to use a refridgerator thermostat, or similar that I could wire up. Thank you for your speedy reply.
Frig thermostat can be tricky to wire up for a heater:
1. frig thermostat contacts may not be rated for heavy current draw for a heater (over 1,500 watts).

2. Frig thermostat on/off contacts may be the opposit of what you need (normally on/normally off).

Just to be sure, use a convection type of electric heater, not radient type.

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