Hi guys, not sure if this is the right place to be posting but know a lot of you will probably have experience with this so thought i'd ask.

So, I managed to get a hold of a decent size compressor and it builds pressure fine, but for whatever reason it doesn't cut off and pressure just continues building until the pressure relief valve goes and then it all repeats. I don't have any info on the make/model so was unable to see if this even has a pressure switch built in and opening it up only lead to further confusion!!

So question is, anyone able to identify which one of the components in the attached is the pressure switch (if any) and any idea how to adjust it please? If none of them, are they easy enough to purchase as an external unit and install?

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