Johnson A419 for My Incubator??

I plan on getting one of these for my cooler/incubator. I am not leading myself down the wrong road am I? Thanks for looking!

Some people will say you should have a proportional thermostat for an incubator but I don't think it is a must. Johnsons can be set to a 1 degree drop,which will work fine if you have a pretty stable environment in your incubator. I used an Alife cheapo thermostat on my incubator this year and all 8 eggs hatched with out problems.

I would recommend a proportional thermostat (such as a Herpstat) for your incubator in order to provide more stable temps. Also the service life of a proportional thermostat is longer than a ON/OFF type since there are no parts "rubbing" to wear out, as ON/OFF types utilize a mechanical switch.

If you do decided to go with a ON/OFF type thermostat for your incubator I recommend checking out the RBI Vivarium Electronics VE-100 as it has a detachable probe and has no 'clicking' sounds when it turns on and off, which after awhile can drive you crazy.
The VE-100 is only 5 bucks more than a pre-wired Johnson and has a bunch more features, along with Rich from RBI's world class support.

I am not sure how much variation and how specific an incubator needs to be. Johnson's have a higher possibility for inaccuracy, they state +/- 2ºF add the 1º set point and you could see three degrees different from where you have set it. Most proportional ones have higher accuracy and so you will see +/- 0.5º shift from the set point. I don't know how much that matters but 3 degrees seems like a lot.

I wonder just how much the temp fluctuates when the female is on the eggs in the wild and the temp drops at night.

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Originally Posted by HopingForBabies

I wonder just how much the temp fluctuates when the female is on the eggs in the wild and the temp drops at night.

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In the wild BP's lay their eggs in either underground burrows or inside termite mounds. Both of these places maintain a very consistent temperature and have high humidity.

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Originally Posted by Adam Chandler

In the wild BP's lay their eggs in either underground burrows or inside termite mounds. Both of these places maintain a very consistent temperature and have high humidity.

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Cool bit of info

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We have used the JC units on incubators for years, with terrific results. We are now transitioning to the Vivarium Electronics units, which are also professional level products. Nice to support a reptile company making an excellent product.