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Regular house thermostat in incubator

violetdixie Feb 11, 2009 01:12 AM

Thanks in advance for any opinions!

As a weekend project, we built an incubator out of a cooler using a regular house thermostat that we bought from home depot for like $17.00.

From bottom of cooler to top:
*3 glass planks (10in x 1.5in x 1/4 in)
*zoo med heat mat made for 50gal tank
*3 more glass planks
*that egg crate light fixture crap from home depot
*8 full 17oz water bottles
*more egg crate crap with a computer fan in the middle
*the home thermostat, resting on the top egg crate layer(inside cooler)

(I followed the physical design (NOT heat design) from someone else on K.S.)

We wired the fan seperate w/ a DC adapter from an old cell phone.
We shoved the 4 huge wires from the home thermostat out the drain hole, and it was a S.O.B. to wire it from the outside to the female & male ends of a cut-in-half extension cord. We plugged the zoo med mat into the extension cord.

We used a zilla probe thermometer, as the wires from the temp probes are so thin, they can run under the closed cooler lid.

We plugged it all in,,,,tweaked it a little,,, and to our surprise it ran for the past 2 days rarely deviating from 89 degrees.

Now,,,,, we are not cheapskates. We merely thought it would be fun to test out our ideas...(the worst we loose is $17!!)... We originally intended to buy a helix and heat tape,,,,,,,,, but now that it seems to work, we can't foresee any downfalls???

Hopefully, if anyone else can see some downfalls w/this, PLEASE TELL US WE ARE STUPID!!! (in a nice way, LOL)
Thanks!!!!!!

P.S.- If we find any downfalls,,,, we'll let you all know!

Replies (4)

dallan Feb 11, 2009 07:11 AM

what voltage was the t-stat rated for becouse most are rated at 24v and not 120v that is the only thing that I see you might have a problem with.
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www.wreckroomsnakes.com

mikebell Feb 11, 2009 07:42 AM

I think they must have used a line voltage t-stat. They mentioned large wires coming off of it. There was no mention of a transformer or a contactor.

Tha only problem I can think of is most line voltage t-stats are mechanical and not digital.

violetdixie Feb 11, 2009 09:59 AM

yes, it is mechanical- not digital.

cmherps Feb 11, 2009 03:18 PM

So, once you have tested it out let us know how consistant it holds the temp and how easy or difficult it is to set the exact temp you want.
Claude

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