Was told to post here about my thermostat upgrade!

Hey everyone! Trying to take up some responsibility with home upgrades and I've gotten to the thermostat.

Here's what I'm looking at replacing: http://imgur.com/a/ez9Th

I've been reading up online about 4 wire thermostats and replacing them, but I'm stuck at figuring out which wire is which. Most tutorials have colored wires that don't match mine.

I see that the white wire is connected to the temperature setting, but as for the other three I have no idea. They are: red, white, black (from left to right).

Any help would be appreciated! Want to try to do this without getting someone in to look at it. Also, any recommendations for a replacement thermostat would be awesome!

Thanks!

submitted by /u/selimtrew
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